Fraunhofer-Gesellschaft

Publica

Hier finden Sie wissenschaftliche Publikationen aus den Fraunhofer-Instituten.
2019Correlation of defect luminescence and recombination in multicrystalline silicon
Wyller, Guro Marie; Schindler, Florian; Kwapil, Wolfram; Schön, Jonas; Olsen, Espen; Haug, Halvard; Riepe, Stephan; Schubert, Martin C.
Journal Article
2019Enabling the Measurement of Thermomechanical Stress in Solar Cells and PV Modules by Confocal Micro-Raman Spectroscopy
Beinert, A.; Büchler, A.; Romer, P.; Haueisen, V.; Rendler, L.C.; Schubert, M.C.; Heinrich, M.; Aktaa, J.; Eitner, U.
Journal Article
2019High-Resolution Analysis of Perovskite Absorbers in Photovoltaics
Mundt, Laura
: Schubert, Martin (Betreuer); Glunz, Stefan W. (Referent); Albrecht, Steve (Referent)
Dissertation
2019Imaging Interstitial Iron Concentrations in Gallium-Doped Silicon Wafers
Post, R.; Niewelt, T.; Schön, J.; Schindler, F.; Schubert, M.C.
Journal Article
2019Limiting Defects in n-Type Multicrystalline Silicon Solar Cells
Schubert, M.C.; Schindler, F.; Schön, J.; Kwapil, W.; Benick, J.; Müller, R.; Heinz, F.D.; Fell, A.; Riepe, S.; Morishige, A.
Journal Article
2019Microphysiological system for heart tissue - going from 2D to 3D culture
Busek, Mathias; Schubert, Mario; Guan, Kaomei; Sonntag, Frank; Schmieder, Florian; Marschner, Uwe; Richter, Andreas
Journal Article
2019Monoclonal Antibody AP3 Binds Galactomannan Antigens Displayed by the Pathogens Aspergillus flavus, A. fumigatus, and A. parasiticus
Schubert, M.; Xue, S.; Ebel, F.; Vaggelas, A.; Krylov, V.B.; Nifantiev, N.E.; Chudobova, I.; Schillberg, S.; Nölke, G.
Journal Article
2019Prediction of local temperature-dependent performance of silicon solar cells
Eberle, R.; Fell, A.; Mägdefessel, S.; Schindler, F.; Schubert, M.C.
Journal Article
2019Quantitative Local Loss Analysis of Blade-Coated Perovskite Solar Cells
Mundt, L.; Kwapil, W.; Yakoob, M.A.; Herterich, J.P.; Kohlstädt, M.; Würfel, U.; Schubert, M.C.; Glunz, S.W.
Journal Article
2019Suns-ILIT: Contact-Less Determination of Local solar Cell Current-Voltage Characteristics
Kwapil, W.; Wasmer, S.; Fell, A.; Greulich, J.G.; Schubert, M.C.
Journal Article
2019Tunable plasmonic resonances in Si-Au slanted columnar heterostructure thin films
Kilic, U.; Mock, A.; Feder, R.; Sekora, D.; Hilfiker, M.; Korlacki, R.; Schubert, E.; Argyropoulos, C.; Schubert, M.
Journal Article
2018Adaptation of Basic Metal-Insulator-Semiconductor (MIS) Theory for Passivating Contacts within Numerical Solar Cell Modeling
Fell, A.; Feldmann, F.; Messmer, C.; Bivour, M.; Schubert, M.C.; Glunz, S.W.
Journal Article
2018Adaption of basic Metal-Insulator-Semiconductor (MIS) theory for passivating contacts within numerical solar cell modeling
Fell, A.; Feldmann, F.; Messmer, C.; Bivour, M.; Schubert, M.C.; Glunz, S.W.
Journal Article
2018Approach for a Holistic Optimization from Wafer to PV System
Mittag, M.; Reise, C.; Wöhrle, N.; Eberle, R.; Schubert, M.; Heinrich, M.
Conference Paper
2018Aspergillus-specific antibodies: Targets and applications
Schubert, M.; Spiegel, H.; Schillberg, S.; Nölke, G.
Journal Article
2018Characterization of crystalline silicon solar cells under realistic operating conditions
Geisemeyer, Ino
: Schubert, Martin (Betreuer); Willeke, Gerhard; Boneberg, Johannes
Dissertation
2018CsxFA1–xPb(I1–yBry)3 Perovskite Compositions
Braunger, S.; Mundt, L.E.; Wolff, C.M.; Mews, M.; Rehermann, C.; Jost, M.; Tejada, A.; Eisenhauer, D.; Becker, C.; Guerra, J.A.; Unger, E.; Korte, L.; Neher, D.; Schubert, M.C.; Rech, B.; Albrecht, S.
Journal Article
2018Electrical Limitations in Epitaxially Grown Kerfless Silicon Wafers for Solar Cells
Schubert, M.C.; Beu, P.; Heinz, F.D.; Amiri, D.; Gust, E.; Steinhauser, B.; Janz, S.; Schindler, F.
Conference Paper
2018Enzymatic synthesis of lignin-based concrete dispersing agents
Jankowska, D.; Heck, T.; Schubert, M.; Yerlikaya, A.; Weymuth, C.; Rentsch, D.; Schober, I.; Richter, M.
Journal Article
2018Evaluation of Nanoparticle Inks on Flexible and Stretchable Substrates for Biocompatible Application
Schubert, Martin; Rebohle, Lars; Wang, Yakun; Fritsch, Marco; Bock, Karlheinz; Vinnichenko, Mykola; Schumann, Thomas
Conference Paper
2018Impaired IFNγ-signaling and mycobacterial clearance in IFNγR1-deficient human iPSC-derived macrophages
Neehus, Anna-Lena; Lam, Jenny; Haake, Kathrin; Merkert, Sylvia; Schmidt, Nico; Mucci, Adele; Ackermann, Mania; Schubert, Madline; Happle, Christine; Kühnel, Mark Philipp; Blank, Patrick; Philipp, Friederike; Goethe, Ralph; Jonigk, Danny; Martin, Ulrich; Kalinke, Ulrich; Baumann, Ulrich; Schambach, Axel; Roesler, Joachim; Lachmann, Nico
Journal Article
2018Limiting Effects in Crystalline Silicon for High-Efficiency Solar Cells
Niewelt, T.; Richter, A.; Eberle, R.; Post, R.; Schön, J.; Schindler, F.; Hermle, M.; Kwapil, W.; Schubert, M.
Presentation
2018Lock-in Thermography. Third edition
Breitenstein, O.; Warta, W.; Schubert, M.C.
Book
2018Modeling edge recombination in silicon solar cells
Fell, Andreas; Schön, Jonas; Müller, Matthias; Wöhrle, Nico; Schubert, Martin C.; Glunz, Stefan W.
Journal Article
2018Moving Beyond p-Type mc-Si: Quantified Measurements of Iron Content and Lifetime of Iron-Rich Precipitates in n-Type Silicon
Morishige, A.E.; Heinz, F.D.; Laine, H.S.; Schön, J.; Kwapil, W.; Lai, B.; Savin, H.; Schubert, M.C.; Buonassisi, T.
Journal Article
2018An open source based repository for defects in silicon
Juhl, Mattias K.; Heinz, Friedemann D.; Coletti, Gianluca; Macdonald, Daniel; Rougieux, Fiacre E.; Schindler, Florian; Niewelt, Tim; Schubert, Martin C.
Conference Paper
2018Photoluminescence Imaging at Uniform Excess Carrier Density Using Adaptive Nonuniform Excitation
Zhu, Y.; Heinz, F.D.; Juhl, M.; Schubert, M.C.; Trupke, T.; Hameiri, Z.
Journal Article
2018The Power of Basic Metal-Insulator-Semiconductor (MIS) Theory to Describe Passivating contact within Numerical Solar Cell Simulations
Fell, A.; Feldmann, F.; Messmer, C.; Bivour, M.; Schubert, M.C.; Glunz, S.W.
Presentation
2018Prediction of Local Temperature Dependent Performance of Silicon Solar Cells
Eberle, R.; Fell, A.; Mägdefessel, S.; Schindler, F.; Schubert, M.C.
Conference Paper
2018The principle of adaptive excitation for photoluminescence imaging of silicon: Theory
Heinz, Friedemann D.; Zhu, Yan; Hameri, Ziv; Juhl, Mattias; Trupke, Thorsten; Schubert, Martin C.
Journal Article
2018Prolonged Corrosion Stability of a Microchip Sensor Implant during In Vivo Exposure
Glogener, P.; Krause, M.; Katzer, J.; Schubert, M.A.; Birkholz, M.; Bellmann, O.; Kröger-Koch, C.; Hammon, H.M.; Metges, C.C.; Welsch, C.; Ruff, R.; Hoffmann, K.P.
Journal Article
2018Stress mapping by confocal raman spectroscopy on solar cells and modules
Beinert, Andreas J.; Büchler, A.; Romer, P.; Heinrich, M.; Schubert, M.C.; Aktaa, J.; Eitner, U.
Conference Paper
2018Suns-ILIT: Accurate method for non-contacted local IV measurements
Kwapil, W.; Wasmer, S.; Fell, A.; Greulich, J.M.; Schubert, M.C.
Conference Paper
2018Taking monocrystalline silicon to the ultimate lifetime limit
Niewelt, Tim; Richter, Armin; Kho, T.C.; Grant, N.E.; Bonilla, R.S.; Steinhauser, Bernd; Polzin, Jana-Isabelle; Feldmann, Frank; Hermle, Martin; Murphy, J.D.; Phang, S.P.; Kwapil, Wolfram; Schubert, Martin C.
Journal Article
2018Taking Monocrystalline Silicon to the Ultimate Lifetime Limit
Niewelt, T.; Richter, A.; Kho, T.; Grant, N.; Bonilla, R.; Steinhauser, B.; Polzin, J.-I.; Feldmann, F.; Hermle, M.; Murphy, J.; Phang, S.; Kwapil, W.; Schubert, M.C.
Presentation
2018Temperature coefficient imaging for silicon solar cells
Eberle, R.; Haag, S.T.; Geisemeyer, I.; Padilla, M.; Schubert, M.C.
Journal Article
2018Temperature dependent imaging of solar cell losses
Eberle, R.; Kwapil, W.; Schubert, M.C.
Conference Paper
2018Towards the Efficiency Limits of Multicrystalline Silicon Solar Cells
Schindler, F.; Fell, A.; Müller, R.; Benick, J.; Richter, A.; Feldmann, F.; Krenckel, P.; Riepe, S.; Schubert, M.C.; Glunz, S.W.
Journal Article, Conference Paper
2017Angle dependence of solar cells and modules: The role of cell texturization
Geisemeyer, I.; Tucher, N.; Müller, B.; Steinkemper, H.; Hohl-Ebinger, J.; Schubert, M.C.; Warta, W.
Journal Article
2017Approaching 22% efficiency with multicrystalline n-type silicon solar cells
Benick, J.; Müller, R.; Schindler, F.; Richter, A.; Hauser, H.; Feldmann, F.; Krenckel, P.; Riepe, S.; Schubert, M.C.; Hermle, M.; Glunz, S.W.
Conference Paper
2017The concept of skins for silicon solar cell modeling
Fell, Andreas; Schön, Jonas; Schubert, Martin C.; Glunz, Stefan W.
Journal Article
2017Degradation of Crystalline Silicon Due to Boron Oxygen Defects
Niewelt, T.; Schön, J.; Warta, W.; Glunz, S.W.; Schubert, M.C.
Journal Article
2017Distinguishing crystallization stages and their influence on quantum efficiency during perovskite solar cell formation in real-time
Wagner, L.; Mundt, L.E.; Mathiazhagan, G.; Mundus, M.; Schubert, M.C.; Mastroianni, S.; Würfel, U.; Hinsch, A.; Glunz, S.W.
Journal Article
2017Enabling stress determination on alkaline textured silicon using Raman sprectroscopy
Büchler, A.; Beinert, A.; Kluska, S.; Haueisen, V.; Romer, P.; Heinz, F.D.; Glatthaar, M.; Schubert, M.
Journal Article, Conference Paper
2017Experimental evidence of electron capture and emission from trap levels in Cz silicon
Heinz, F.D.; Niewelt, T.; Schubert, M.C.
Journal Article
2017Firing temperature profile impact on light induced degradation in multicrystalline silicon
Eberle, R.; Kwapil, W.; Schindler, F.; Glunz, S.W.; Schubert, M.C.
Journal Article, Conference Paper
2017High performance multicrystalline silicon: Grain structure and iron precipitation
Autruffe, Antoine; M'hamdi, Mohammed; Schindler, Florian; Heinz, Friedemann D.; Ekstrøm, Kai Erik; Schubert, Martin C.; Sabatino, Marisa di; Stokkan, Gaute
Journal Article
2017High-Efficiency n-Type HP MC Silicon Solar Cells
Benick, J.; Richter, A.; Müller, R.; Hauser, H.; Feldmann, F.; Krenckel, P.; Riepe, S.; Schindler, F.; Schubert, M.C.; Hermle, M.; Bett, A.W.; Glunz, S.W.
Journal Article
2017How to achieve efficiencies exceeding 22% with multicrystalline n-type silicon solar cells
Schindler, F.; Michl, B.; Krenckel, P.; Riepe, S.; Benick, J.; Müller, R.; Richter, A.; Glunz, S.W.; Schubert, M.C.
Journal Article, Conference Paper
2017How to assess the electrical quality of silicon material
Michl, B.; Schindler, F.; Schubert, M.
Presentation
2017Kinetics of carrier-induced degradation at elevated temperature in multicrystalline silicon solar cells
Kwapil, W.; Niewelt, T.; Schubert, M.C.
Journal Article
2017Light-induced activation and deactivation of bulk defects in boron-doped float-zone silicon
Niewelt, T.; Selinger, M.; Grant, N.; Kwapil, W.M.; Murphy, J.D.; Schubert, M.C.
Journal Article
2017Long-term stability of aluminum oxide based surface passivation schemes under illumination at elevated temperatures
Niewelt, T.; Kwapil, W.M.; Selinger, M.; Richter, A.; Schubert, M.C.
Journal Article
2017Material limits of multicrystalline silicon from state-of-the-art photoluminescence imaging techniques
Schindler, F.; Giesecke, J.; Michl, B.; Schön, J.; Krenckel, P.; Riepe, S.; Warta, W.; Schubert, M.C.
Journal Article, Conference Paper
2017Modeling of edge recombination losses in half-cells
Fell, Andreas; Sträter, H.; Müller, M.; Steinkemper, Heiko; Schön, Jonas; Hermle, Martin; Schubert, Martin C.; Neuhaus, D.H.; Glunz, Stefan W.
Conference Paper
2017Multifunctional load carrying lightweight structures for space design
Schubert, M.; Perfetto, Sara; Dafnis, A.; Mayer, Dirk; Atzrodt, Heiko; Schröder, K.-U.
Conference Paper
2017A New Perspective on Potential-Induced Degradation of the Shunting Type by Micro Raman-Spectroscopy and Micro Light-Beam-Induced Current
Büchler, A.; Nagel, H.; Breitwieser, M.; Kluska, S.; Heinz, F.D.; Schubert, M.C.; Glatthaar, M.; Glunz, S.W.
Conference Paper
2017Nondestructive probing of perovskite silicon tandem solar cells using multiwavelength photoluminescence mapping
Mundt, L.; Heinz, F.D.; Albrecht, S.; Mundus, M.; Saliba, M.; Correa-Baena, J.P.; Anaraki, E.H.; Korte, L.; Rech, B.; Grätzel, M.; Hagfeldt, A.; Schubert, M.C.; Glunz, S.W.
Journal Article
2017Optimized multicrystalline silicon for solar cells enabling conversion efficiencies of 22%
Schindler, F.; Michl, B.; Krenckel, P.; Riepe, S.; Benick, J.; Müller, R.; Richter, A.; Glunz, S.W.; Schubert, M.C.
Journal Article
2017Separation of the surface and bulk recombination in silicon by means of transient photoluminescence
Heinz, F.D.; Warta, W.; Schubert, M.C.
Journal Article
2017Spectrally resolved nonlinearity and temperature dependence of perovskite solar cells
Mundus, M.; Venkataramanachar, B.; Gehlhaar, R.; Kohlstädt, M.; Niesen, B.; Qiu, W.; Herterich, J.P.; Sahli, F.; Bräuninger, M.; Werner, J.; Hohl-Ebinger, J.; Uytterhoeven, G.; Würfel, U.; Ballif, C.; Schubert, M.C.; Warta, W.; Glunz, S.W.
Journal Article
2017Stability of effective lifetime of float-zone silicon wafers with AlOx surface passivation schemes under illumination at elevated temperature
Niewelt, T.; Kwapil, W.; Selinger, M.; Richter, A.; Schubert, M.C.
Journal Article, Conference Paper
2017Superacid-treated silicon surfaces: Extending the limit of carrier lifetime for photovoltaic applications
Grant, N.E.; Niewelt, T.; Wilson, N.R.; Wheeler-Jones, E.C.; Bullock, J.; Al-Amin, M.; Schubert, M.C.; Veen, A.C. van; Javey, A.; Murphy, J.D.
Journal Article
2017Swifter Security Scanning: Millimeter-Wave Imaging with Spin
Nuessler, D.; Schubert, M.; Kose, S.; Pohl, N.
Journal Article
2017Temperature-dependent modeling of silicon solar cells - Eg, ni, recombination, and VOC
Steinkemper, H.; Geisemeyer, I.; Schubert, M.C.; Warta, W.; Glunz, S.W.
Journal Article
2017Understanding the light-induced degradation at elevated temperatures: Similarities between multicrystalline and floatzone p-type silicon
Niewelt, T.; Schindler, F.; Kwapil, W.; Eberle, R.; Schön, J.; Schubert, M.C.
Conference Paper
2016Benefits and Disadvantages of p- and n-type Doping for Multicrystalline Silicon
Schubert, M.
Presentation
2016Contact fault characterisation of complex silicon solar cells: A guideline based on current voltage characteristics and luminescence imaging
Padilla, M.; Reichel, C.; Hagedorn, N.; Fell, A.; Keding, R.; Michl, B.; Kasemann, M.; Warta, W.; Schubert, M.C.
Journal Article
2016Development of an assessment tool to evaluate and improve SME business models
Schüle, Stephan; Schubert, Michael; Hoyer, Christian; Dressel, Klaus-Michael
Journal Article
2016Experimental proof of the slow light-induced degradation component in compensated n-type silicon
Niewelt, T.; Schön, J.; Broisch, J.; Rein, S.; Haunschild, J.; Warta, W.; Schubert, M.C.
Conference Paper
2016FANTASTIC-5G: Flexible air interface for scalable service delivery within wireless communication networks of the 5th generation
Schaich, F.; Sayrac, B.; Elayoubi, S.; Belikaidis, I.-P.; Caretti, M.; Georgakopoulos, A.; Gong, X.; Kosmatos, E.; Lin, H.; Demestichas, P.; Mouhouche, B.; Pedersen, K.; Pratas, N.; Schellmann, M.; Schubert, M.; Shaat, M.; Wunder, G.
Journal Article
2016Fast in-situ photoluminescence analysis for a recombination parameterization of the fast BO defect component in silicon
Niewelt, T.; Mägdefessel, S.; Schubert, M.C.
Journal Article
2016Hybrid Silicon Solar Cells with Advanced Layer Systems Including Perovskite
Mundt, L.; Michl, B.; Mastroianni, S.; Schubert, M.C.; Warta, W.; Glunz, S.W.; Lee, S.-W.
Presentation
2016Identification of lifetime limiting defects by temperature- and injection-dependent photoluminescence imaging
Schön, J.; Youssef, A.; Park, S.; Mundt, L.E.; Niewelt, T.; Mack, S.; Nakajima, K.; Morishita, K.; Murai, R.; Jensen, M.A.; Buonassisi, T.; Schubert, M.C.
Journal Article
2016Impact of the Firing Temperature Profile on Light Induced Degradation of Multicrystalline Silicon
Eberle, R.; Kwapil, W.; Schindler, F.; Schubert, M.C.; Glunz, S.W.
Journal Article
2016Improving the material quality of silicon ingots by aluminum gettering during crystal growth
Schön, J.; Krenckel, P.; Karches, B.; Schindler, F.; Giesecke, J.; Stieghorst, C.; Wiehl, N.; Schubert, M.C.; Riepe, S.
Journal Article
2016InnoSmart - Partizipative Gestaltung von verbrauchernahen Innovationen für Smart Grids
Mohaupt, Franziska; Konrad, Wilfried; Schnabel, Frieder; Hoffmann, Esther; Kern, Manuel; Pissarskoi, Eugen; Scheer, Dirk; Schubert, Michael
Report
2016Light-induced degradation in multicrystalline silicon: The role of copper
Inglese, A.; Focareta, A.; Schindler, F.; Schön, J.; Lindroos, J.; Schubert, M.C.; Savin, H.
Journal Article, Conference Paper
2016Material limits of silicon from state-of-the-art photoluminescence imaging techniques
Schindler, F.; Giesecke, J.; Michl, B.; Schön, J.; Krenckel, P.; Riepe, S.; Warta, W.; Schubert, M.C.
Conference Paper
2016Monolithic perovskite silicon tandem solar cells with advanced optics
Goldschmidt, J.C.; Bett, A.J.; Bivour, M.; Bläsi, B.; Eisenlohr, J.; Kohlstädt, M.; Lee, S.; Mastroianni, S.; Mundt, L.; Mundus, M.; Ndione, P.; Reichel, C.; Schubert, M.; Schulze, P.S.C.; Tucher, N.; Veit, C.; Veurman, W.; Wienands, K.; Winkler, K.; Würfel, U.; Glunz, S.W.; Hermle, M.
Conference Paper
2016N-type multicrystalline silion for high efficiency solar cells
Riepe, S.; Krenckel, P.; Schindler, F.; Schubert, M.; Benick, J.
Journal Article
2016On the benefits of counting single photoluminescence photons for the investigation of low injection lifetime and traps in silicon
Heinz, F.D.; Warta, W.; Schubert, M.C.
Journal Article, Conference Paper
2016Optimizing Adhesion of Laser Structured Plated Ni-Cu Contacts with Insights from Micro Characterization
Büchler, A.; Kluska, S.; Bartsch, J.; Cimiotti, G.; Brand, A.A.; Schubert, M.C.; Glatthaar, M.
Conference Paper, Journal Article
2016Spatially resolved analysis of light induced degradation of multicrystalline PERC solar cells
Selinger, M.; Kwapil, W.; Schindler, F.; Krauß, K.; Fertig, F.; Michl, B.; Warta, W.; Schubert, M.C.
Journal Article, Conference Paper
2016Swirl Defect Investigation Using Temperature- and Injection-Dependent Photoluminescence Imaging
Youssef, A.; Schön, J.; Niewelt, T.; Mack, S.; Park, S.; Nakajima, K.; Morishita, K.; Murai, R.; Jensen, M.A.; Buonassisi, T.; Schubert, M.C.
Conference Paper
2016A unified parameterization of the formation of boron oxygen defects and their electrical activity
Niewelt, T.; Schön, J.; Broisch, J.; Mägdefessel, S.; Warta, W.; Schubert, M.C.
Journal Article, Conference Paper
2016UV degradation and recovery of perovskite solar cells
Lee, S.; Kim, S.; Bae, S.; Cho, K.; Chung, T.; Mundt, L.E.; Lee, S.; Park, S.; Park, H.; Schubert, M.C.; Glunz, S.W.; Kang, Y.; Lee, H.-S.; Kim, D.
Journal Article
2015Analysing the effect of crystal size and structure in highly efficient CH3NH3Pbl3 perovskite solar cells by spatially resolved photo- and electroluminescence imaging
Mastroianni, S.; Heinz, F.D.; Im, J.-H.; Veurman, W.; Padilla, M.; Schubert, M.C.; Würfel, U.; Grätzel, M.; Park, N.-G.; Hinsch, A.
Journal Article
2015Building intuition of iron evolution during solar cell processing through analysis of different process models
Morishige, A.E.; Laine, H.S.; Schön, J.; Haarahiltunen, A.; Hofstetter, J.; Canizo, C. del; Schubert, M.C.; Savin, H.; Buonassisi, T.
Journal Article
2015Carrier recombination at metallic precipitates in p- and n-type silicon
Kwapil, W.; Schön, J.; Warta, W.; Schubert, M.C.
Journal Article
2015Characterization and modelling of the boron-oxygen defect activation in compensated n-type silicon
Schön, J.; Niewelt, T.; Broisch, J.; Warta, W.; Schubert, M.C.
Journal Article
2015A combined transient and steady state approach for robust lifetime spectroscopy with micrometer resolution
Heinz, F.D.; Mundt, L.E.; Warta, W.; Schubert, M.C.
Journal Article
2015Development of an assessment tool to evaluate and improve SME business models
Schüle, Stephan; Schubert, Michael; Hoyer, Christian; Dressel, Klaus-Michael
Conference Paper
2015Development of multicrystalline silicon for 20 % efficient n-Type solar cells
Riepe, S.; Krenckel, P.; Schindler, F.; Schmid, C.; Strauch, T.; Benick, J.; Schubert, M.C.
Conference Paper
2015Efficiency Potential of p- and n-Type High Performance Multicrystalline Silicon
Schindler, F.; Michl, B.; Krenckel, P.; Riepe, S.; Feldmann, F.; Benick, J.; Warta, W.; Schubert, M.C.
Conference Paper, Journal Article
2015Electrical characterization of the slow boron oxygen defect component in Czochralski silicon
Niewelt, T.; Schön, J.; Broisch, J.; Warta, W.; Schubert, M.C.
Journal Article
2015Ergebnisse der FuE Trend-Umfrage
Gelec, Erdem; Schubert, Michael; Schimpf, Sven; Wohlfart, Liza
Book Article
2015Das Fraunhofer IAO FuE-Assessment
Schubert, Michael; Binzer, Judith
Book Article
2015FuE - Fit für die Zukunft
Gelec, Erdem; Binzer, Judith; Wohlfart, Liza; Kern, Manuel; Schubert, Michael; Schüle, Stephan; Schimpf, Sven
: Wagner, Frank (Hrsg.)
Study
2015Harmonically modulated luminescence: Bridging gaps in carrier lifetime metrology across the PV processing chain
Giesecke, J.; Schubert, M.C.; Schindler, F.; Warta, W.
Journal Article
2015Herstellung und Charakterisierung von rekombinanten scFv-Fusionsproteinen zur Generierung Aspergillus flavus-resistenter Maispflanzen
Schubert, M.
Dissertation
2015High efficiency multicrystalline silicon solar cells: Potential of n-type doping
Schindler, F.; Schön, J.; Michl, B.; Riepe, S.; Krenckel, P.; Benick, J.; Feldmann, F.; Hermle, M.; Glunz, S.W.; Warta, W.; Schubert, M.C.
Journal Article
2015Identification of the most relevant metal impurities in mc n-type silicon for solar cells
Schön, J.; Schindler, F.; Kwapil, W.; Knörlein, M.; Krenckel, P.; Riepe, S.; Warta, W.; Schubert, M.C.
Journal Article, Conference Paper
2015Infrared dielectric functions and optical phonons of wurtzite YxAl1-xN (0 <= x <= 0.22)
Ben Sedrine, N.; Zukauskaite, A.; Birch, J.; Jensen, J.; Hultman, L.; Schöche, S.; Schubert, M.; Darakchieva, V.
Journal Article
2015Iron related solar cell instability: Imaging analysis and impact on cell performance
Schubert, M.C.; Padilla, M.; Michl, B.; Mundt, L.; Giesecke, J.; Hohl-Ebinger, J.; Benick, J.; Warta, W.; Tajima, M.; Ogura, A.
Journal Article
2015Light-Induced Degradation and Regeneration in n-Type Silicon
Niewelt, T.; Broisch, J.; Schön, J.; Haunschild, J.; Rein, S.; Warta, W.; Schubert, M.C.
Conference Paper, Journal Article
2015Local Series Resistance Imaging of Silicon Solar Cells with Complex Current Paths
Padilla, M.; Michl, B.; Hagedorn, N.; Reichel, C.; Kluska, S.; Fell, A.; Kasemann, M.; Warta, W.; Schubert, M.C.
Journal Article
2015Microscopic charge carrier lifetime in silicon from a transient approach
Heinz, F.D.; Kasemann, M.; Warta, W.; Schubert, M.C.
Journal Article
2015Nutzerintegration für Smart-Grid-Innovationen
Dietsche, Christian; Schnabel, Frieder; Mohaupt, Franziska; Konrad, Wilfried; Kern, Manuel; Schubert, Michael
Report
2015On the implication of spatial carrier density non-uniformity on lifetime determination in silicon
Heinz, F.D.; Giesecke, J.; Mundt, L.E.; Kasemann, M.; Warta, W.; Schubert, M.C.
Journal Article
2015Potential gain in multicrystalline silicon solar cell efficiency by n-Type doping
Schindler, F.; Michl, B.; Kleiber, A.; Steinkemper, H.; Schön, J.; Kwapil, W.; Krenckel, P.; Riepe, S.; Warta, W.; Schubert, M.C.
Journal Article
2015Preciptitate-Related Injection-Dependent Carrier Lifetime in n- and p-Type Silicon
Kwapil, W.; Schön, J.; Warta, W.; Schubert, M.C.
Conference Paper, Journal Article
2015R&D-Leaders – Fallbeispiele erfolgreicher FuE
Schubert, Michael; Binzer, Judith; Kern, Manuel; Schüle, Stephan; Gelec, Erdem
Book Article
2015Resistivity, doping concentrations, and carrier mobilities in compensated N- and P-type Czochralski silicon: Comparison of measurements and simulations and consistent description of material parameters
Broisch, J.; Schindler, F.; Schubert, M.C.; Fertig, F.; Soiland, A.-K.; Rein, S.
Journal Article
2015Short-circuit current density imaging methods for silicon solar cells
Fertig, F.; Padilla, M.; Breitenstein, O.; Höffler, H.; Geisemeyer, I.; Schubert, M.C.; Rein, S.
Journal Article, Conference Paper
2015Spatially resolved impurity identification via temperature- and injection-dependent photoluminescence imaging
Mundt, L.; Schubert, M.C.; Schön, J.; Michl, B.; Niewelt, T.; Schindler, F.; Warta, W.
Journal Article
2015Thanatin confers partial resistance against aflatoxigenic fungi in maize (Zea mays)
Schubert, M.; Houdelet, M.; Kogel, K.-H.; Fischer, R.; Schillberg, S.; Nölke, G.
Journal Article
2014Analysis of different models of iron precipitation in multicrystalline silicon
Morishige, A.E.; Laine, H.S.; Schön, J.; Hofstetter, J.; Haarahiltunen, A.; Schubert, M.C.; Savin, H.; Buonassisi, T.
Conference Paper
2014Analysis of solar cell cross sections with micro-light beam induced current (µLBIC)
Breitwieser, M.; Heinz, F.; Büchler, A.; Kasemann, M.; Schön, J.; Warta, W.; Schubert, M.C.
Journal Article, Conference Paper
2014Challenges for photovoltaic silicon materials
Coletti, G.; Gordon, I.; Schubert, M.C.; Warta, W.; Ovrelid, E.J.; Jouini, A.; Tucci, M.; Cesare, G. de
Journal Article
2014Characterizing local contact resistances of interdigitated back contact silicon solar cells
Padilla, M.; Michl, B.; Reichel, C.; Hagedorn, N.; Kluska, S.; Haag, S.; Keding, R.; Fell, A.; Kasemann, M.; Warta, W.; Schubert, M.C.
Conference Paper
2014Efficiency-limiting recombination in multicrystalline silicon solar cells
Schubert, M.C.; Schön, J.; Abdollahinia, A.; Michl, B.; Kwapil, W.; Schindler, F.; Heinz, F.; Padilla, M.; Giesecke, J.; Breitwieser, M.; Riepe, S.; Warta, W.
Conference Paper
2014Fast hot spot evaluation
Geisemeyer, I.; Fertig, F.; Warta, W.; Rein, S.; Schubert, M.
Conference Paper
2014Identifying the impact of surface recombination at electrodes in organic solar cells by means of electroluminescence and modeling
Reinhardt, J.; Grein, M.; Bühler, C.; Schubert, M.; Würfel, U.
Journal Article
2014Imaging techniques for quantitative silicon material and solar cell analysis
Michl, B.; Padilla, M.; Geisemeyer, I.; Haag, S.T.; Schindler, F.; Schubert, M.C.; Warta, W.
Journal Article
2014Impact of iron precipitates on carrier lifetime in as-grown and phosphorus-gettered multicrystalline silicon wafers in model and experiment
Kwapil, W.; Schön, J.; Schindler, F.; Warta, W.; Schubert, M.
Journal Article
2014Interstitial oxygen imaging from thermal donor growth - a fast photoluminescence based method
Niewelt, T.; Lim, S.; Holtkamp, J.; Schön, J.; Warta, W.; Macdonald D.; Schubert, M.C.
Journal Article, Conference Paper
2014Introduction to in-situ produced perovskite solar cells
Hinsch, A.; Mastroianni, S.; Brandt, H.; Heinz, F.; Schubert, M.C.; Veurman, W.
Conference Paper
2014Main defect reactions behind phosphorus diffusion gettering of iron
Schön, J.; Vähänissi, V.; Haarahiltunen, A.; Schubert, M.C.; Warta, W.; Savin, H.
Journal Article
2014Microscopic origin of the aluminium assisted spiking effects in n-type silicon solar cells
Heinz, F.D.; Breitwieser, M.; Gundel, P.; König, M.; Hörteis, M.; Warta, W.; Schubert, M.C.
Journal Article, Conference Paper
2014The potential of multicrystalline n-type silicon for high efficiency solar cells
Schindler, F.; Michl, B.; Kleiber, A.; Steinkemper, H.; Schön, J.; Kwapil, W.; Krenckel, P.; Riepe, S.; Warta, W.; Schubert, M.C.
Conference Paper
2014Prediction of silicon PV module temperature for hot spots and worst case partial shading situations using spatially resolved lock-in thermography
Geisemeyer, I.; Fertig, F.; Warta, W.; Rein, S.; Schubert, M.C.
Journal Article
2014Process control and defect analysis for crystalline silicon thin films for photovoltaic applications by the means of electrical and spectroscopic microcharacterization tools
Breitwieser, M.; Heinz, F.; Rachow, T.; Kasemann, M.; Janz, S.; Warta, W.; Schubert, M.C.
Journal Article
2014Short-circuit current density mapping for solar cells
Padilla, M.; Michl, B.; Thaidigsmann, B.; Warta, W.; Schubert, M.C.
Journal Article
2014Solar cell efficiency losses due to impurities from the crucible in multicrystalline silicon
Schindler, F.; Michl, B.; Schön, J.; Kwapil, W.; Warta, W.; Schubert, M.
Journal Article
2014Suns-PLI as a powerful tool for spatially resolved fill factor analysis of solar cells
Michl, B.; Impera, D.; Bivour, M.; Warta, W.; Schubert, M.C.
Journal Article
2014Surface recombination parameters of interdigitated-back-contact silicon solar cells obtained by modeling luminescence images
Padilla, M.; Höffler, H.; Reichel, C.; Chu, H.; Greulich, J.; Rein, S.; Warta, W.; Hermle, M.; Schubert, M.C.
Journal Article
2014Technology radar process implementation as a part of technology planning
Polat, Melda; Iyigün Meydanli, Iffet; Schubert, Michael; Gelec, Erdem; Kürümlüoglu, Mehmet
Conference Paper
2014Toward energy-efficient 5G wireless communications technologies
Cavalcante, R.L.G.; Stanczak, S.; Schubert, M.; Eisenblätter, A.; Türke, U.
Journal Article
2014Towards a unified low-field model for carrier mobilities in crystalline silicon
Schindler, F.; Forster, M.; Broisch, J.; Schön, J.; Giesecke, J.; Rein, S.; Warta, W.; Schubert, M.C.
Journal Article
2014Verfahren und Vorrichtung zur Bestimmung von Materialparametern, insbesondere der Ladungsträgerlebensdauer eines Halbleitersubstrates durch Messung von Lumineszenzstrahlung
Giesecke, Johannes; Schubert, Martin; Warta, Wilhelm
Patent
2013Accurate determination of minority carrier mobility in silicon from quasi-steady-state photoluminescence
Giesecke, J.; Schindler, F.; Bühler, M.; Schubert, M.; Warta, W.
Journal Article
2013Analyses of the evolution of iron-silicide precipitates in multicrystalline silicon during solar cell processing
Schön, J.; Haarahiltunen, A.; Savin, H.; Fenning, D.P.; Buonassisi, T.; Warta, W.; Schubert, M.
Journal Article
2013Applications of photoluminescence imaging to dopant and carrier concentration measurements of silicon wafers
Lim, S.Y.; Forster, M.; Zhang, X.; Holtkamp, J.; Schubert, M.C.; Cuevas, A.; MacDonald, D.
Journal Article
2013Carrier lifetime from dynamic electroluminescence
Giesecke, J.A.; Schubert, M.C.; Warta, W.
Journal Article
2013Chromium distribution in multicrystalline silicon: Comparison of simulations and experiments
Schön, J.; Habenicht, H.; Warta, W.; Schubert, M.C.
Journal Article
2013Determination of bulk lifetime and surface recombination velocity of silicon ingots from dynamic photoluminescence
Giesecke, J.A.; Sinton, R.A.; Schubert, M.C.; Riepe, S.; Warta, W.
Journal Article
2013Doping density in silicon and solar cells analyzed with micrometer resolution
Heinz, F.D.; Gundel, P.; Warta, W.; Schubert, M.C.
Journal Article
2013Effective passivation of black silicon surfaces by atomic layer deposition
Repo, P.; Haarahiltunen, A.; Sainiemi, L.; Yli-Koski, M.; Talvitie, H.; Schubert, M.C.; Savin, H.
Journal Article
2013Excellent average diffusion lenghts of 600 µm of n-Type multicrystalline silicon wafers after the full solar cell process including boron diffusion
Michl, B.; Benick, J.; Richter, A.; Bivour, M.; Yong, J.; Steeman, R.; Schubert, M.; Glunz, S.W.
Journal Article, Conference Paper
2013Illumination and temperature dependence of breakdown mechanisms in multi-crystalline silicon solar cells
Fertig, F.; Willibald, C.; Geisemeyer, I.; Schubert, M.C.; Rein, S.
Conference Paper
2013The impact of different diffusion temperature profiles on iron concentrations and carrier lifetimes in multicrystalline silicon wafers
Michl, B.; Schön, J.; Warta, W.; Schubert, M.C.
Journal Article
2013Impact of impurities from crucible and coating on mc-silicon quality - the example of iron and cobalt
Schubert, M.C.; Schön, J.; Schindler, F.; Kwapil, W.; Abdollahinia, A.; Michl, B.; Riepe, S.; Schmid, C.; Schumann, M.; Meyer, S.; Warta, W.
Journal Article
2013Impact on iron surface contamination on the lifetime degradation of samples passivated by fired AL2O3/SiNx
Breitenstein, L.; Schön, J.; Schubert, M.; Warta, W.
Journal Article
2013Influence of surface texture on the defect-induced breakdown behavior of multicrystalline silicon solar cells
Kwapil, W.; Nievendick, J.; Zuschlag, A.; Gundel, P.; Schubert, M.C.; Warta, W.
Journal Article
2013Interstitial chromium in silicon on the micron scale
Heinz, F.D.; Schindler, F.; Warta, W.; Schubert, M.C.
Journal Article, Conference Paper
2013Light-induced degradation in copper-contaminated gallium-doped silicon
Lindroos, J.; Yli-Koski, M.; Haarahiltunen, A.; Schubert, M.C.; Savin, H.
Journal Article
2013Material limitations due to crucible impurities in multicrystalline silicon for high efficiency solar cells
Schindler, F.; Michl, B.; Schön, J.; Kwapil, W.; Warta, W.; Schubert, M.C.
Conference Paper
2013N-type black silicon solar cells
Repo, P.; Benick, J.; Vähänissi, V.; Schön, J.; Von Gastrow, G.; Steinhauser, B.; Schubert, M.C.; Hermle, M.; Savin, H.
Conference Paper
2013Passivation of black silicon boron emitters with atomic layer deposited aluminum oxide
Repo, P.; Benick, J.; Gastrow, G. von; Vähänissi, V.; Heinz, F.D.; Schön, J.; Schubert, M.C.; Savin, H.
Journal Article
2013Predictive simulation of doping processes for silicon solar cells
Schön, J.; Abdollahinia, A.; Müller, R.; Benick, J.; Hermle, M.; Warta, W.; Schubert, M.C.
Journal Article, Conference Paper
2013Wafer thickness optimization for silicon solar cells of heterogeneous material quality
Michl, B.; Kasemann, M.; Warta, W.; Schubert, M.C.
Journal Article
2012Broad Range Injection-Dependent Minority Carrier Lifetime from Photoluminescence
Giesecke, J.; Niewelt, T.; Rüdiger, M.; Rauer, M.; Schubert, M.; Warta, W.
Journal Article
2012Characterization of silicon heterojunctions on multicrystalline absorbers using injection-dependent photoluminescence imaging
Impera, D.; Bivour, M.; Michl, B.; Schubert, M.C.; Hermle, M.
Journal Article, Conference Paper
2012Comments on the paper "Detection and analysis of hot-spot formation in solar cells" published by M. Simon and E.L. Meyer in Solar Energy Materials & Solar Cells 94 (2010) 106113
Bauer, J.; Kwapil, W.; Lausch, D.; Schubert, M.C.; Warta, W.; Bothe, K.; Breitenstein, O.
Journal Article
2012Efficiency limiting bulk recombination in multicrystalline silicon solar cells
Michl, B.; Rüdiger, M.; Giesecke, J.A.; Hermle, M.; Warta, W.; Schubert, M.C.
Journal Article
2012Impact of reverse breakdown in shaded silicon solar cells on module level: Simulation and experiment
Geisemeyer, I.; Fertig, F.; Warta, W.; Rein, S.; Schubert, M.C.
Conference Paper
2012Influence of sintering on the structural and electronic properties of TiO2 nanoporous layers prepared via a non-sol-gel approach
Schattauer, S.; Reinhold, B.; Albrecht, S.; Fahrenson, C.; Schubert, M.; Janietz, S.; Neher, D.
Journal Article
2012Interference calculus. A general framework for interference management and network utility optimization
Schubert, M.; Boche, H.
Book
2012Lean Development
Schubert, Michael; Wagner, Frank; Warschat, Joachim
Book Article
2012Measurement of net dopant concentration via dynamic photoluminescence
Giesecke, J.A.; Schubert, M.C.; Warta, W.
Journal Article
2012Modeling distribution and impact of efficiency limiting metallic impurities in silicon solar cells
Schubert, M.C.; Schön, J.; Michl, B.; Abdollahinia, A.; Warta, W.
Conference Paper
2012Modeling majority carrier mobility in compensated crystalline silicon for solar cells
Schindler, F.; Schubert, M.C.; Kimmerle, A.; Broisch, J.; Rein, S.; Kwapil, W.; Warta, W.
Journal Article, Conference Paper
2012Modeling the size distribution of iron silicide precipitates in multicrystalline silicon
Schön, J.; Haarahiltunen, A.; Fenning, D.P.; Buonassisi, T.; Savin, H.; Warta, W.; Schubert, M.C.
Conference Paper
2012Observation of energetic terahertz pulses from relativistic solid density plasmas
Gopal, A.; May, T.; Herzer, S.; Reinhard, A.; Minardi, S.; Schubert, M.; Dillner, U.; Pradarutti, B.; Polz, J.; Gaumnitz, T.; Kaluza, M.C.; Jäckel, O.; Riehemann, S.; Ziegler, W.; Gemuend, H.-P.; Meyer, H.-G.; Paulus, G.G.
Journal Article
2012Open innovation and business model dynamics
Smits, Armand; Berends, Hans; Reymen, Isabelle; Anzola, Paula; Bayona, Christina; Garcia, Teresa; Schubert, Michael; Sturm, Flavius
Conference Paper
2012Optimizing micro raman and PL spectroscopy for solar cell technological assessment
Heinz, F.D.; Warta, W.; Schubert, M.C.
Journal Article, Conference Paper
2012Resource allocation and management in multi-operator cellular networks with shared physical resources
Anchora, L.; Badia, L.; Zhang, H.; Fahldieck, T.; Zhang, J.; Szydeko, M.; Schubert, M.; Karipidis, E.; Haardt, M.
Conference Paper
2012Self-sufficient minority carrier lifetime in silicon from quasi-steady-state photoluminescence
Giesecke, J.A.; Schubert, M.C.; Warta, W.
Journal Article
2012Separation of front and backside surface recombination by photoluminescence imaging on both wafer sides
Michl, B.; Giesecke, J.A.; Warta, W.; Schubert, M.C.
Journal Article
2011Can luminescence imaging replace lock-in thermography on solar cells?
Breitenstein, O.; Warta, W.; Schubert, M.C.; Kwapil, W.; Müller, J.; Hinken, D.; Bothe, K.; Bauer, J.
Journal Article
2011Combinatorial Characterization of Interference Coupling in Wireless Systems
Boche, H.; Naik, S.; Schubert, M.
Journal Article
2011Comprehensive characterization of advanced cell concepts with sub-micron resolution
Gundel, P.; Drießen, M.; Bartsch, J.; Jäger, U.; Suwito, D.; Heinz, F.D.; Warta, W.; Schubert, M.C.
Conference Paper, Journal Article
2011Comprehensive microscopic analysis of laser-induced high doping regions in silicon
Gundel, P.; Suwito, D.; Jäger, U.; Heinz, F.D.; Warta, W.; Schubert, M.C.
Journal Article
2011Development of an assessment tool for industrial R&D
Schubert, M.; Finger, J.; Kern, M.; Wagner, F.
Conference Paper
2011Evaluating the aluminum-alloyed p+-layer of silicon solar cells by emitter saturation current density and optical microspectroscopy measurements
Woehl, R.; Gundel, P.; Krause, J.; Rühle, K.; Heinz, F.D.; Rauer, M.; Schmiga, C.; Schubert, M.C.; Warta, W.; Biro, D.
Journal Article
2011Fixed point iteration for max-min sir balancing with general interference functions
Vucic, N.; Schubert, M.
Conference Paper
2011From Injection Dependent Lifetime to Solar Cell Efficiency
Michl, B.; Rüdiger, M.; Giesecke, J.A.; Hermle, M.; Warta, W.; Schubert, M.C.
Conference Paper
2011A generalization of Nash bargaining and proportional fairness to log-convex utility sets with power constraints
Boche, H.; Schubert, M.
Journal Article
2011Hall mobility in multicrystalline silicon
Schindler, F.; Geilker, J.; Kwapil, W.; Warta, W.; Schubert, M.C.
Journal Article
2011Imaging of metastable defects in silicon
Schubert, M.C.; Habenicht, H.; Warta, W.
Journal Article
2011Impact of Junction Breakdown in Multi-Crystalline Silicon Solar Cells on Hot Spot Formation and Module Performance
Fertig, F.; Rein, S.; Schubert, M.; Warta, W.
Conference Paper
2011Lean Development als ganzheitliches Konzept
Schubert, Michael
Journal Article
2011Micro-spectroscopy on silicon wafers and solar cells
Gundel, P.; Schubert, M.C.; Heinz, F.D.; Woehl, R.; Benick, J.; Giesecke, J.A.; Suwito, D.; Warta, W.
Journal Article
2011Minority carrier lifetime imaging of silicon wafers calibrated by quasi-steady-state photoluminescence
Giesecke, J.A.; Schubert, M.C.; Michl, B.; Schindler, F.; Warta, W.
Journal Article
2011Minority carrier lifetime of silicon solar cells from quasi-steady-state photoluminescence
Giesecke, J.A.; Michl, B.; Schindler, F.; Schubert, M.C.; Warta, W.
Journal Article
2011Pareto boundary of utility sets for multiuser wireless systems
Boche, H.; Naik, S.; Schubert, M.
Journal Article
2011Spatially resolved carrier lifetime calibrated via quasi-steady-state photoluminescence
Giesecke, J.A.; Michl, B.; Schindler, F.; Schubert, M.C.; Warta, W.
Conference Paper, Journal Article
2011Transmit beamforming for inter-operator spectrum sharing
Karipidis, E.; Gesbert, D.; Haardt, M.; Ho, K.-M.; Jorswieck, E.; Larsson, E.G.; Li, J.; Lindblom, J.; Scheunert, C.; Schubert, M.; Vucic, N.
Conference Paper
2011Understanding junction breakdown in multicrystalline solar cells
Breitenstein, O.; Bauer, J.; Bothe, K.; Kwapil, W.; Lausch, D.; Rau, U.; Schmidt, J.; Schneemann, M.; Schubert, M.C.; Wagner, J.-M.; Warta, W.
Journal Article
2011Understanding the distribution of iron in multicrystalline silicon after emitter formation
Schön, J.; Habenicht, H.; Schubert, M.C.; Warta, W.
Journal Article
20102D modeling of the iron concentration from crystallization to final firing of mc silicon solar cells
Schön, J.; Schubert, M.C.; Habenicht, H.; Warta, W.
Conference Paper
2010Analysis of performance limiting material properties of multicrystalline silicon
Schubert, M.C.; Kwapil, W.; Schön, J.; Habenicht, H.; Kasemann, M.; Gundel, P.; Blazek, M.; Warta, W.
Journal Article, Conference Paper
2010Analysis of simultaneous boron and phosphorus diffusion gettering in silicon
Schön, J.; Schubert, M.C.; Warta, W.; Savin, H.; Haarahiltunen, A.
Journal Article
2010Approach to the physical origin of breakdown in silicon solar cells by optical spectroscopy
Gundel, P.; Kwapil, W.; Schubert, M.C.; Seifert, H.; Warta, W.
Journal Article
2010Cause of increased currents under reverse-bias conditions of upgraded metallurgical grade multicrystalline silicon solar cells
Kwapil, W.; Wagner, M.; Schubert, M.C.; Warta, W.
Conference Paper
2010Conductivity mobility and hall mobility in compensated multicrystalline silicon
Schindler, F.; Geilker, J.; Kwapil, W.; Giesecke, J.; Schubert, M.C.; Warta, W.
Conference Paper
2010DC programming approach for resource allocation in wireless networks
Vucic, N.; Shi, S.; Schubert, M.
Conference Paper
2010Development of a "convergent" order control for small and medium-sized production companies in the context of a turbulent market environment
Okhan, Eftal; Denner, Timo; Schubert, Maximilian; Sihn, Wilfried
Conference Paper
2010Globally optimal resource allocation for achieving maximum weighted sum rate
Eriksson, K.; Shi, S.; Vucic, N.; Schubert, M.; Larsson, E.G.
Conference Paper
2010High net doping concentration responsible for critical diode breakdown behavior of upgraded metallurgical grade multicrystalline silicon solar cells
Kwapil, W.; Wagner, M.; Schubert, M.C.; Warta, W.
Journal Article
2010ICT-supported concept of dynamic energy monitoring on a neighbourhood level
Klobut, K.; Decorme, R.; Schubert, M.; Schüle, S.; Vesanen, T.; Ala-Juusela, M.
Conference Paper
2010Imaging of chromium point defects in p-type silicon
Habenicht, H.; Schubert, M.C.; Warta, W.
Journal Article
2010Imaging of metal impurities in silicon by luminescence spectroscopy and synchrotron techniques
Schubert, M.C.; Schön, J.; Gundel, P.; Habenicht, H.; Kwapil, W.; Warta, W.
Journal Article, Conference Paper
2010Impact of stress on recombination of metal precipitates in silicon
Gundel, P.; Schubert, M.C.; Heinz, F.D.; Kwapil, W.; Warta, W.; Martinez-Criado, G.; Reiche, M.; Weber, E.R.
Journal Article
2010IntUBE - Intelligent use of buildings' energy information
Decorme, R.; Klobut, K.; Vesanen, T.; Ala-Juusela, M.; Schubert, M.; Schüle, S.
Conference Paper
2010Konzeption einer effizienten Entwicklung
Wagner, F.; Kürümlüoglu, M.; Sturm, F.; Schubert, M.
Conference Paper
2010Mapping the quantitative carrier lifetime and doping concentration with micro resolution
Heinz, F.D.; Gundel, P.; Schubert, M.C.; Warta, W.
Conference Paper
2010Minority carrier lifetime in silicon wafers from quasi-steady-state photoluminescence
Giesecke, J.A.; Schubert, M.C.; Walter, D.; Warta, W.
Journal Article
2010A monoclonal antibody that specifically binds chitosan in vitro and in situ on fungal cell walls
Schubert, M.; Agdour, S.; Fischer, R.; Olbrich, Y.; Schinkel, H.; Schillberg, S.
Journal Article
2010Neue Wege gehen
Schubert, M.
Journal Article
2010Photoluminescence imaging of chromium in crystalline silicon
Habenicht, H.; Schubert, M.C.; Coletti, G.; Warta, W.
Conference Paper
2010Quantitative carrier lifetime measurement with micron resolution
Gundel, P.; Heinz, F.D.; Schubert, M.C.; Giesecke, J.A.; Warta, W.
Journal Article
2010Quantitative iron concentrating imaging
Schubert, M.C.; Habenicht, H.; Kerler, M.J.; Warta, W.
Conference Paper
2010Recombination activity enhancement by stress in silicon
Gundel, P.; Schubert, M.C.; Heinz, F.D.; Warta, W.
Conference Paper
2010Resource sharing in wireless networks: The SAPHYRE approach
Jorswieck, E.A.; Badia, L.; Fahldieck, T.; Gesbert, D.; Gustafsson, S.; Haardt, M.; Ho, K.-M.; Karipidis, E.; Kortke, A.; Larsson, E.G.; Mark, H.; Nawrocki, M.; Piesiewicz, R.; Römer, F.; Schubert, M.; Sykora, J.; Trommelen, P.; Ende, B.D. van; Zorzi, M.
Conference Paper
2010The role of material quality in EWT and standard solar cells on multicrystalline standard and UMG silicon material
Schubert, M.C.; Rüdiger, M.; Michl, B.; Schindler, F.; Kwapil, W.; Giesecke, J.; Hermle, M.; Warta, W.; Ferré, R.; Wade, R.; Petter, K.
Conference Paper
2010Schnell und kostenreduziert zu wettbewerbsfähigen Produkten
Schubert, M.
Conference Paper
2010Schnell und kostenreduziert zu wettbewerbsfähigen Produkten
Schubert, M.; Wagner, F.
Conference Paper
2010Separation of local bulk and surface recombination in crystalline silicon from luminescence reabsorption
Giesecke, J.A.; Kasemann, M.; Schubert, M.C.; Würfel, P.; Warta, W.
Journal Article
2010Simulation of iron distribution after crystallization of mc silicon
Schön, J.; Habenicht, H.; Schubert, M.C.; Warta, W.
Conference Paper
2010Simultaneous determination of carrier lifetime and net dopant concentration of silicon wafers from photoluminescence
Giesecke, J.A.; Walter, D.; Kopp, F.; Rosenits, P.; Schubert, M.C.; Warta, W.
Conference Paper
2010Simultaneous stress and defect luminescence study on silicon
Gundel, P.; Schubert, M.C.; Warta, W.
Journal Article
2010SIR balancing for strongly connected interference networks - existence and uniqueness of a solution
Schubert, M.; Vucic, N.; Boche, H.
Conference Paper
2010Submicron resolution carrier lifetime analysis in silicon with Fano resonances
Gundel, P.; Schubert, M.C.; Heinz, F.D.; Benick, J.; Zizak, I.; Warta, W.
Journal Article
2010A unifying approach to interference modeling for wireless networks
Boche, H.; Schubert, M.
Journal Article
2009Analysis of performance limiting material properties of multicrystalline silicon
Warta, W.; Schubert, M.C.; Habenicht, H.; Kasemann, M.; Kwapil, W.; Gundel, P.; Schön, J.
Conference Paper
2009Complete characterization of the Pareto boundary of interference-coupled wireless systems with power constraints - the log-convex case
Boche, H.; Schubert, M.
Conference Paper
2009Diode breakdown related to recombination active defects in block-cast multicrystalline silicon solar cells
Kwapil, W.; Kasemann, M.; Gundel, P.; Schubert, M.C.; Warta, W.; Bronsveld, P.; Coletti, G.
Journal Article
2009Impact of SiNx:H and Al2O3 surface passivation on interstitial iron concentration and carrier lifetime in mc-silicon wafers
Habenicht, H.; Schubert, M.C.; Richter, A.; Warta, W.
Conference Paper
2009Influence of depth dependent profiles on carrier density measurements
Schubert, M.C.; Kerler, M.J.; Warta, W.
Conference Paper
2009Influence of heterogeneous profiles in carrier density measurements with respect to iron concentration measurements in silicon
Schubert, M.C.; Kerler, M.J.; Warta, W.
Journal Article
2009Micro-luminescence spectroscopy on multicrystalline silicon
Gundel, P.; Schubert, M.C.; Kwapil, W.; Schön, J.; Reiche, M.; Savin, H.; Yli-Koski, M.; Sans, J.A.; Martinez-Criado, G.; Warta, W.; Weber, E.R.
Conference Paper
2009Micro-photoluminescence spectroscopy on metal precipitates in silicon
Gundel, P.; Schubert, M.C.; Kwapil, W.; Schon, J.; Reiche, M.; Savin, H.; Yli-Koski, M.; Sans, J.A.; Martinez-Criado, G.; Seifert, W.; Warta, W.; Weber, E.R.
Journal Article
2009Nash bargaining and proportional fairness for wireless systems
Boche, H.; Schubert, M.
Journal Article
2009Observation of metal precipitates at prebreakdown sites in multicrystalline silicon solar cells
Kwapil, W.; Gundel, P.; Schubert, M.C.; Heinz, F.D.; Warta, W.; Weber, E.R.; Goetzberger, A.; Martinez-Criado, G.
Journal Article
2009Perron-root minimization for interference-coupled systems with adaptive receive strategies
Boche, H.; Schubert, M.
Journal Article
2009Physical mechanisms of breakdown in multicrystalline silicon solar cells
Kwapil, W.; Kasemann, M.; Gundel, P.; Schubert, M.C.; Warta, W.; Breitenstein, O.; Bauer, J.; Lotnyk, A.; Wagner, J.-M.; Bronsveld, P.C.P.; Coletti, G.
Conference Paper
2009Risikomanagement bei der Einführung eines PLM-Systems
Kürümlüoglu, M.; Schubert, M.; Eckstein, H.
Journal Article
2009Simplified procedure for estimating epitaxy of La2Zr2O7-buffered NiW RABITS using XRD
Rikel, M.O.; Isfort, D.; Klein, M.; Ehrenberg, J.; Bock, J.; Specht, E.D.; Sun-Wagener, M.; Weber, O.; Sporn, D.; Engel, S.; Haas, O. de; Semerad, R.; Schubert, M.; Holzapfel, B.
Journal Article
2009A unified framework for interference modeling for multi-user wireless networks
Boche, H.; Schubert, M.
Conference Paper
2009X-ray excited optical luminescence from crystalline silicon
Gundel, P.; Martinez-Criado, G.; Schubert, M.C.; Sans, J.A.; Kwapil, W.; Warta, W.; Weber, E.R.
Journal Article
2008Analysis of the physical origin of trap centres and their effect on solar cells
Gundel, P.; Schubert, M.; Allardt, M.; Warta, W.
Conference Paper
2008A calculus for log-convex interference functions
Boche, H.; Schubert, M.
Journal Article
2008Combining products and services into solutions
Sturm, F.; Josefiak, F.; Schubert, M.
Conference Paper
2008Concave and convex interference functions - General characterizations and applications
Boche, H.; Schubert, M.
Journal Article
2008Detektion von infraroter Strahlung zur Beurteilung der Materialqualität von Solar-Silizium
Schubert, M.C.
Dissertation
2008Determination of minority carrier diffusion lengths in silicon solar cells from photoluminescence images
Giesecke, J.; Kasemann, M.; Schubert, M.C.; Michl, B.; The, M.; Warta, W.; Würfel, P.
Conference Paper
2008Downlink MMSE transceiver optimization for multiuser MIMO systems: MMSE balancing
Shi, S.; Schubert, M.; Boche, H.
Journal Article
2008Hierarchical feature extraction for compact representation and classification of datasets
Schubert, M.; Kohlmorgen, J.
Conference Paper
2008Messverfahren für eine Halbleiterstruktur
Würfel, P.; Schubert, M.; Kasemann, M.; Warta, W.
Patent
2008MMSE optimization with per-base-station power constraints for network MIMO systems
Shuying, S.; Schubert, M.; Vucic, N.; Boche, H.
Conference Paper
2008Nash bargaining and proportional fairness for log-convex utility sets
Schubert, M.; Boche, H.
Conference Paper
2008Origin of trapping in multicrystalline silicon
Gundel, P.; Schubert, M.C.; Warta, W.
Journal Article
2008Per-antenna power constrained rate optimization for multiuser MIMO systems
Shi, S.; Schubert, M.; Boche, H.
Conference Paper
2008Physical layer multicasting with linear MIMO transceivers
Shi, S.; Schubert, M.; Boche, H.
Conference Paper
2008Progress in silicon solar cell characterization with infrared imaging methods
Kasemann, M.; Kwapil, W.; Walter, B.; Giesecke, J.; Michl, B.; The, M.; Wagner, J.-M.; Bauer, J.; Schütt, A.; Carstensen, J.; Kampwerth, H.; Gundel, P.; Schubert, M.C.; Bardos, R.A.; Föll, H.; Nagel, H.; Würfel, P.; Trupke, T.; Breitenstein, O.; Warta, W.; Glunz, S.W.
Conference Paper
2008Rate optimization for multiuser MIMO systems with linear processing
Shi, S.; Schubert, M.; Boche, H.
Journal Article
2008Spatially resolved luminescence spectroscopy on multicrystalline silicon
Schubert, M.C.; Gundel, P.; The, M.; Warta, W.; Romero, M.J.; Ostapenko, S.; Arguirov, T.
Conference Paper
2008Spatially resolved silicon solar cell characterization using infrared imaging methods
Kasemann, M.; Kwapil, M.; Schubert, M.C.; Habenicht, H.; Walter, B.; The, M.; Kontermann, S.; Rein, S.; Breitenstein, O.; Bauer, J.; Lotnyk, A.; Michl, B.; Nagel, H.; Schütt, A.; Carstensen, J.; Föll, H.; Trupke, T.; Augarten, Y.; Kampwerth, H.; Bardos, R.A.; Pingel, S.; Berghold, J.; Warta, W.; Glunz, S.W.
Conference Paper
2008The structure of general interference functions and applications
Boche, H.; Schubert, M.
Journal Article
2008Structure of solutions of resource allocation problems under general fairness constraints
Boche, H.; Naik, S.; Schubert, M.
Conference Paper
2008A superlinearly and globally convergent algorithm for power control and resource allocation with general interference functions
Boche, H.; Schubert, M.
Journal Article
2007Advanced interference calculus - A general framework for interference coordination
Boche, H.; Schubert, M.
Conference Paper
2007Advances in infrared imaging methods for silicon material characterization
Schubert, M.C.; The, M.; Gundel, P.; Kasemann, M.; Pingel, S.; Warta, W.
Conference Paper
2007Capacity balancing for multiuser MIMO systems
Shi, S.; Schubert, M.; Boche, H.
Conference Paper
2007Characterization of dictatorial and egalitarian solutions of wireless resource allocation problems and consequences for cross-layer design
Naik, S.; Schubert, M.
Conference Paper
2007Characterization of the structure of general interference functions
Boche, H.; Schubert, M.
Conference Paper
2007Cooperative antenna concepts for interference mitigation
Zirwas, W.; Schulz, E.; Schubert, Martin; Mennerich, W.; Jungnickel, Volker; Thiele, Lars
Conference Paper
2007Distributed organization of cooperative antenna systems
Zirwas, W.; Kim, J.H.; Jungnickel, V.; Schubert, M.; Weber, T.; Ahrens, A.; Haardt, M.
Book Article
2007Downlink MMSE transceiver optimization for multiuser MIMO systems
Shi, S.; Schubert, M.; Boche, H.
Journal Article
2007A general framework for concave/convex interference coordination problems and network utility optimization
Boche, H.; Schubert, M.; Jorswieck, E.; Sezgin, A.
Conference Paper
2007A generic approach to QoS-based transceiver optimization
Schubert, M.; Boche, H.
Journal Article
2007Investigations of diffusion barriers for application in back-contacted solar cells
Drießen, M.; Mingirulli, N.; Pingel, S.; Schubert, M.; Biro, D.; Preu, R.
Conference Paper
2007Iterative transceiver optimization for linear multiuser MIMO channels with per-user MMSE requirements
Schubert, M.; Shi, S.; Boche, H.
Conference Paper
2007Lifetime studies on laser drilled vias for application in emitter-wrap-through-solar cells
Mingirulli, N.; Grohe, A.; Dohrn, A.; Hofmann, M.; Schubert, M.; Roth, T.; Biro, D.; Preu, R.
Conference Paper
2007Low cost using ultra-thin bifacial cells
Jimeno, J.C.; Bueno, G.; Lago, R.; Freire, I.; Perez, L.; Recart, F.; Hoces, I.; Azkona, N.; Alonso, J.; Sanchez-Friera, P.; Glunz, S.W.; Emanuel, G.; Ruiz, R.; Pohl, A.; Wolke, W.; Schubert, M.; Gavilanes, I.; Ezker, M.; Zugasti, E.; Turumbay, A.; Sato, H.; Bragagnolo, J.; Nasch, P.M.; Ostapenko, S.; Belyaev, A.; Dallas, W.; Polupan, O.; Albertsen, K.; Shaikh, A.; Kerp, H.; Salami, J.
Conference Paper
2007Multiuser interference balancing for general interference functions - A convergence analysis
Boche, H.; Schubert, M.
Conference Paper
2007Non-symmetric nash bargaining solution for resource allocation in wireless networks and connection to interference calculus
Boche, H.; Schubert, M.; Vucic, N.; Naik, S.
Conference Paper
2007On the existence of a proportionally fair operating point for wireless communication systems
Boche, H.; Schubert, M.
Conference Paper
2007On the structure of the multiuser QOS region
Boche, H.; Schubert, M.
Journal Article
2007Prediction of diffusion length in multicrystalline silicon solar cells from trapping images on starting material
Schubert, M.C.; Warta, W.
Journal Article
2007Progress with luminescence imaging for the characterisation of silicon wafers and solar cells
Trupke, T.; Bardos, R.A.; Abbott, M.D.; Würfel, P.; Pink, E.; Augarten, Y.; Chen, F.W.; Fisher, K.; Cotter, J.E.; Kasemann, M.; Rüdiger, M.; Kontermann, S.; Schubert, M.C.; The, M.; Glunz, S.W.; Warta, W.; Macdonald, D.; Tan, J.; Cuevas, A.; Bauer, J.; Gupta, R.; Breitenstein, O.; Buonassisi, T.; Tarnowski, G.; Lorenz, A.; Hartmann, H.P.; Neuhaus, D.H.; Fernandez, J.M.
Conference Paper
2007Properties and operational characterization of proportionally fair resource allocation
Schubert, M.; Boche, H.
Conference Paper
2007Proportional fair resource allocation for wireless networks
Boche, H.; Schubert, M.; Stanczak, S.
Conference Paper
2007Quantitative carrier lifetime images optically measured on rough silicon wafers
Schubert, M.; Pingel, S.; The, M.; Warta, W.
Journal Article
2007Quantitative lifetime measurements with photoluminescence imaging
The, M.; Schubert, M.C.; Warta, W.
Conference Paper
2007The supportable QoS region of a multiuser system with log-convex interference functions
Boche, H.; Schubert, M.
Conference Paper
2007Systematic analysis of trapping as a tool to predict diffusion length in multicrystalline silicon cells
Gundel, P.; Schubert, M.C.; Warta, W.
Conference Paper
2007Weighted sum-rate optimization for multiuser MIMO systems
Shi, S.; Schubert, M.; Boche, H.
Conference Paper
2006Comparison of luminescence imaging and illuminated lock-in thermography on silicon solar cells
Kasemann, M.; Schubert, M.C.; The, M.; Köber, M.; Hermle, M.; Warta, W.
Journal Article
2006Computational efficient transceiver optimization for multiuser MIMO systems
Shi, S.; Schubert, M.; Boche, H.
Conference Paper
2006Convergence behavior of matrix-based iterative transceiver optimization
Boche, H.; Schubert, M.
Conference Paper
2006Determination of spatially resolved trapping parameters in silicon with injection dependent carrier density imaging
Schubert, M.C.; Riepe, S.; Bermejo, S.; Warta, W.
Journal Article
2006Downlink MMSE transceiver optimization with layer-MSE requirements
Shuying, S.; Schubert, M.; Boche, H.
Conference Paper
2006Equalization for MIMO IsI systems using channel inversion under causality, stability and robustness constraints
Vucic, N.; Schubert, M.
Conference Paper
2006A general theory for SIR balancing
Boche, H.; Schubert, M.
Journal Article
2006Iterative power control and resource allocation for general interference functions - a superlinearly convergent algorithm
Boche, H.; Schubert, M.
Conference Paper
2006Iterative transceiver optimization for linear multiuser MIMO channels with per-user MMSE requirements
Schubert, M.; Shi, S.; Boche, H.
Conference Paper
2006Photoluminescence imaging of silicon wafers
Trupke, T.; Bardos, R.A.; Schubert, M.C.; Warta, W.
Journal Article
2006QoS-based resource allocation and transceiver optimization
Schubert, M.; Boch, H.
Book
2006Resource allocation in multiantenna systems - Achieving max-min fairness by optimizing a sum of inverse SIR
Boche, H.; Schubert, M.
Journal Article
2006Robust resource allocation
Schubert, M.; Boche, H.
Conference Paper
2006Spatially resolved trapping detection and correlation with material quality in multicrystalline silicon
Schubert, M.C.; Riepe, S.; Warta, W.
Conference Paper
2006Strict convexity of the QoS feasible region for log-convex interference functions
Schubert, M.; Boche, H.; Stanczak, S.
Conference Paper
2006Trapping artifacts in quasi-steady-state photoluminescence and photoconductance lifetime measurements on silicon wafers
Bardos, R.A.; Trupke, T.; Schubert, M.C.; Roth, T.
Journal Article
2006Verfahren und Vorrichtung zur Inaktivierung von Trapping-Effekten in dotierten Halbleitern
Schubert, M.; Rein, S.; Isenberg, J.; Warta, W.; Glunz, S.W.
Patent
2005Antenna selection for BER performance improvement in multi-antenna systems with MMSE-SIC detection
Vucic, N.; Schubert, M.
Conference Paper
2005An axiomatic approach to resource allocation and interference balancing
Boche, H.; Schubert, M.; Stanczak, S.; Wiczanowski, M.
Conference Paper
2005Characterization of the QoS feasibility region of multiuser systems - The complete SIR-Balancing theory
Boche, H.; Schubert, M.
Conference Paper
2005Convexity analysis of the feasible MSB region of sum-power constrained multiuser MIMO systems
Shi, S.; Schubert, M.
Conference Paper
2005Distributed organization of cooperative antenna systems
Zirwas, W.; Schulz, E.; Kim, J.H.; Jungnickel, V.; Schubert, M.
Conference Paper
2005Downlink sum-MSB transceiver optimization for linear multi-user MIMO systems
Schubert, M.; Shi, S.; Jorswieck, E.A.; Boche, H.
Conference Paper
2005Downlink sum-MSE transceiver optimization for linear multi-user MIMO systems
Schubert, M.; Shi, S.; Jorswieck, E.A.; Boche, H.
Conference Paper
2005Duality theory for uplink and downlink multiuser beamforming
Boche, H.; Schubert, M.
Book Article
2005Duality theory for uplink downlink multiuser beamforming
Boche, H.; Schubert, M.
Book Article
2005Group-oriented beamforming for multi-stream multicasting based on quality-of-service requirements
Gao, Y.; Schubert, M.
Conference Paper
2005Injection dependent carrier density imaging measurements including correction for trapping effects
Schubert, M.C.; Isenberg, J.; Rein, S.; Bermejo, S.; Glunz, S.W.; Warta, W.
Conference Paper
2005Interference topology in wireless networks - Supportable QoS region and max-min fairness
Boche, H.; Wiczanowski, M.; Schubert, M.
Conference Paper
2005Iterative multiuser uplink and downlink beamforming under SINR constraints
Schubert, M.; Boche, H.
Journal Article
2005Joint power control and multiuser receiver design - fairness issues and cross-layer optimization
Schubert, M.; Boche, H.; Stanczak, S.
Conference Paper
2005MMSE transmit optimization for multi-user multi-antenna systems
Shi, S.Y.; Schubert, M.
Conference Paper
2005MMSE transmit optimization with interference pre-compensation
Schubert, M.; Shi, S.
Conference Paper
2005QoS contorl for multiuser networks - A joint approach to receiver design and resource allocation
Schubert, M.; Boche, H.
Conference Paper
2005Recent developments in carrier lifetime imaging
Warta, W.; Schubert, M.C.; Isenberg, J.; Bermejo, S.; Riepe, S.; Diez, S.
Presentation
2005Resource allocation for multi-antenna multi-user systems
Boche, H.; Schubert, M.
Conference Paper
2005Sheet resistance imaging (SRI) - A contactless and spatially resolved method for the determination of doping inhomogeneities
Isenberg, J.; Schubert, M.C.; Biro, D.; Froitzheim, A.; Warta, W.
Conference Paper
2005Signalvorverarbeitungsverfahren zur Interferenzreduktion in einer digitalen Punkt-zu-Mehrpunkt-Sendeverbindung
Boche, H.; Schubert, M.; Shi, S.
Patent
2005A unifying approach to multiuser receiver design under QoS constraints
Boche, H.; Schubert, M.; Stanczak, S.
Conference Paper
2004Analysis of multiuser MIMO systems with MMSE receiver based on worst case noise
Jorswieck, E.A.; Boche, H.; Schubert, M.
Conference Paper
2004Augmented Reality Basistechnologien
Stricker, Didier; Hamadou, Mehdi; Hoymann, Hendrik; Jahn, Dirk; Kiesel, Bruno; Krieg, Steffen; Lescher, Marco; Niemann, Marc; Plewinski, Nicolai; Schubert, Martina; Vilsmeier, Christoph; Weidenhausen, Jens; Wichert, Reiner
Book Article
2004Comparison of l(infinity)-norm and l(1)-norm optimization criteria for SIR-balanced multiuser beamforming
Schubert, M.; Boche, H.
Journal Article
2004A semi-algebraic approach to multiuser beamforming and power control
Boche, H.; Schubert, M.
Conference Paper
2004Solution of the multiuser downlink beamforming problem with individual SINR constraints
Schubert, M.; Boche, H.
Journal Article
2004Spatially resolved IR-measurement techniques for solar cells
Isenberg, J.; Riepe, S.; Schubert, M.C.; Glunz, S.W.; Warta, W.
Conference Paper
2004Temperature dependent carrier lifetime images
Schubert, M.C.; Isenberg, J.; Rein, S.; Warta, W.
Conference Paper
2004Thermographic imaging of free carrier density in silicon
Schubert, M.C.; Isenberg, J.; Riepe, S.; Warta, W.
Journal Article
2004User ordering and power allocation for optimal multiantenna precoding/decoding
Schubert, M.; Boche, H.
Conference Paper
2003Analysis of different precoding/decoding strategies for multiuser beamforming
Boche, H.; Karadoulamas, D.; Schubert, M.
Conference Paper
2003Effective bandwidth maximization for uplink/downlink multi-antenna systems
Boche, H.; Schubert, M.
Conference Paper
2003Joint downlink beamforming and power control for 3G WCDMA
Schubert, M.; Karadoulamas, D.; Boche, H.; Lehmann, G.
Conference Paper
2003On power reduction strategies for the multi-user downlink with decentralized receivers
Haustein, T.; Schubert, M.; Boche, H.
Conference Paper
2003Optimal multiuser interference balancing using transmit beamforming
Boche, H.; Schubert, M.
Journal Article
2003Spatially resolved lifetime imaging of silicon wafers by measurement of infrared emission
Schubert, M.C.; Isenberg, J.; Warta, W.
Journal Article
2003Throughput maximization for the multiuser MIMO broadcast channel
Schubert, M.; Boche, H.; Jorswieck, E.A.
Conference Paper
2003Throughput maximization for uplink and downlink beamforming with independent coding
Schubert, M.; Boche, H.
Conference Paper
2003Verfahren zur leistungsoptimierten Strahlformung eines einer Basisstation zugehoerigen Antennenarrays fuer zellulare Mobilfunksysteme im Downlink-Kanal
Boche, H.; Schubert, M.
Patent
2002Analysis of SIR-based downlink beamforming
Boche, H.; Schubert, M.
Journal Article
2002Comparison of l-norm and l1-norm optimization for multi-antenna downlink transmission
Boche, H.; Schubert, M.
Conference Paper
2002An efficient algorithm for optimum joint downlink beamforming and power control
Schubert, M.; Boche, H.
Conference Paper
2002A general duality theory for uplink and downlink beamforming
Boche, H.; Schubert, Martin
Conference Paper
2002Multi-antenna downlink transmission with individual SINR receiver constraints for cellular wireless systems
Boche, H.; Schubert, M.
Conference Paper
2002Optimum SIR balancing using extended 1-norm beamforming optimization
Boche, H.; Schubert, M.
Conference Paper
2002SIR balancing for multiuser downlink beamforming - a convergence analysis
Boche, H.; Schubert, M.
Conference Paper
2002Trace balancing for multiuser MIMO downlink transmission
Boche, H.; Schubert, M.; Jorswieck, E.A.
Conference Paper
2002A unifying theory for uplink and downlink multiuser beamforming
Schubert, M.; Boche, H.
Conference Paper
2001A new approach to power adjustment for spatial covariance based downlink beamforming
Boche, H.; Schubert, M.
Conference Paper
2001Solvability of coupled downlink beamforming problems
Schubert, M.; Boche, H.
Conference Paper
2001Theoretical and experimental comparison of optimisation criteria for downlink beamforming
Boche, H.; Schubert, M.
Journal Article
2000Downlink beamforming for TD/CDMA multipath channels
Schubert, M.; Boche, H.
Conference Paper
2000Performance analysis of downlink beamforming algorithms
Boche, H.; Schubert, M.
Conference Paper
2000Space-time Rake receiver with optimal beamforming for the uplink of CDMA-based wireless systems
Boche, H.; Schubert, M.
Conference Paper
1999Investigation of uplink and downlink performance of directivity controlled constrained beamforming algorithms for CDMA-based systems
Boche, H.; Schubert, M.
Conference Paper
1999Linear antenna array beamforming with interpolation methods
Boche, H.; Schubert, M.
Journal Article
1999On the narrow-band assumption for array signal processing
Boche, H.; Schubert, M.
Journal Article
1994VLSI realization of a hierarchical MPEG-2 TV and HDTV decoder
Talmi, M.; Block, M.; Kanold, P.; Selinger, T.; Schubert, M.; Yan, W.; Zhang, W.; Zieger, M.
Conference Paper
1994VLSI realization of a hierarchical MPEG-2 TV&HDTV decoder
Talmi, M.; Block, M.; Kanold, P.; Selinger, T.; Schubert, M.; Yan, W.; Zhang, W.; Zieger, M.
Conference Paper
1981Ultrastructural alterations in the livers of golden hamsters following experimental chronic inhalation of diluted diesel exhaust emission
Meiß, R.; Robenek, H.; Schubert, M.; Themann, H.; Heinrich, U.
Journal Article