Fraunhofer-Gesellschaft

Publica

Hier finden Sie wissenschaftliche Publikationen aus den Fraunhofer-Instituten.
2019Chabazite-type zeolite membranes for effective CO2 separation: The role of hydrophobicity and defect structure
Lee, Minseong; Hong, Sungwon; Kim, Dongjae; Kim, Eunjoo; Lim, Kyunghwan; Jung, Jaechil; Richter, Hannes; Moon, Jongho; Choi, Nakwon; Nam, Jaewook; Choi, Jungkyu
Journal Article
2019Defects in oxidized p-type Si wafers observed by surface photovoltage spectroscopy
Kolkovsky, Vladimir
Journal Article
2019Influence of imperfections on the load capacity and stiffness of glued-in rod connections
Ratsch, Nils; Böhm, Stefan; Voß, Morten; Kaufmann, Marvin; Valleé, Till
Journal Article
2018Carbon-hydrogen-related complexes in Si
Kolkovsky, V.; Stübner, Ronald; Gwozdz, K.; Weber, Jörg
Journal Article
2018Defect detection during laser welding by Laser Speckle Photometry
Cikalova, Ulana; Bendjus, Beatrice; Stüwe, Tobias; Reyes de Acosta, Ruth Veronica
Conference Paper
2018Defect functional structures of 4H-SiC and diamond induced by ion implantation: MD simulation and spectral characterization
Xu, Zongwei; Zhao, Junlei; Djurabekova, Flyura; Rommel, Mathias; Nordlund, Kai
Presentation
2018Heavily n-type doped silicon and the dislocation formation during its growth by the Czochralski method
Stockmeier, Ludwig
: Lerch, R.; Frey, L.; Danilewsky, A.N.
Dissertation
2018Hydrogen-related defects in Al2O3 layers grown on n-type Si by the atomic layer deposition technique
Kolkovsky, Vladimir; Stübner, Ronald
Journal Article
2018Influence of triangular defects on the electrical characteristics of 4H-SiC devices
Schoeck, J.; Schlichting, H.; Kallinger, B.; Erlbacher, T.; Rommel, M.; Bauer, A.J.
Conference Paper
2018Raman spectroscopy characterization of ion implanted 4H-SiC and its annealing effects
Xu, Zongwei; Song, Y.; Rommel, Mathias; Liu, T.; Kocher, Matthias; He, Z.D.; Wang, H.; Yao, B.T.; Liu, L.; Fang, F.Z.
Poster
2018Time resolved detection of particle contamination during thin film deposition
Rüsseler, A.K.; Balasa, I.; Kricheldorf, H.-U.; Vergöhl, M.; Jensen, L.; Ristau, D.
Conference Paper
2017Influence of triangular defects on the electrical characteristics of 4H-SiC devices
Schöck, Johannes; Schlichting, Holger; Kallinger, Birgit; Erlbacher, Tobias; Rommel, Mathias; Bauer, Anton J.
Poster
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
2017Modelling of Ultrasonic Scattering in Polycrystals Aiming for Tools to Simulate Experiments in NDT&E
Hirsekorn, Sigrun; Dobrovolskij, Dascha; Spies, Martin
Conference Paper
2017Optical stressing of 4H-SiC material and devices
Kallinger, Birgit; Kaminzky, Daniel; Berwian, Patrick; Friedrich, Jochen; Oppel, Steffen
Poster
2017Origin and impact of crystallographic defects in epitaxially grown Si wafers
Janz, S.; Amiri, D.; Gust, E.; Kühnhold-Pospischil, S.; Riepe, S.; Heinz, F.; Drießen, M.
Conference Paper
2016Imaging defect luminescence of 4H-SiC by ultraviolet-photoluminescence
Berwian, Patrick; Kaminzky, Daniel; Roßhirt, Katharina; Kallinger, Birgit; Friedrich, Jochen; Oppel, Steffen; Schneider, Adrian; Schütz, Michael
Conference Paper
2016Optimized Grain Size of Seed Plates for High Performance Multicrystalline Silicon
Krenckel, P.; Riepe, S.; Schindler, F.; Strauch, T.
Conference Paper
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
2014Microscopic-scale investigation of the degradation of InGaN-based laser diodes submitted to electrical stress
Meneghini, M.; Carraro, S.; Meneghesso, G.; Trivellin, N.; Mura, G.; Rossi, F.; Salviati, G.; Holc, K.; Weig, T.; Schade, L.; Karunakaran, M.A.; Wagner, J.; Schwarz, U.T.; Zanoni, E.
Conference Paper
2014Online monitoring of additive manufacturing processes using ultrasound
Rieder, Hans; Dillhöfer, Alexander; Spies, Martin; Bamberg, Joachim; Hess, Thomas
Conference Paper
2013Non-destructive evaluation (NDE) of aerospace composites: Methods for testing adhesively bonded composites
Ehrhart, Bastien; Bockenheimer, C.; Valeske, Bernd
Book Article
2013Nondestructive characterization of and defect detection in timber and wood
Sklarczyk, Christoph; Porsch, Felix; Wolter, Bernd; Boller, Christian; Kurz, Jochen Horst
Conference Paper
2012Analysis of threading dislocations in 4H-SiC by defect selective etching and X-ray topography
Kallinger, Birgit; Berwian, P.; Friedrich, J.; Danilewsky, A.; Wehrhahn, A.; Weber, A.-D.
Presentation
2012Doping induced lattice misfit in 4H-SiC homoepitaxy
Kallinger, Birgit; Berwian, Patrick; Friedrich, Jochen; Müller, Georg; Weber, Arnd-Dietrich; Volz, Eduard; Trachta, Gerd; Spiecker, Erdmann; Thomas, Bernd
Journal Article
2012Enhanced formation of nanogratings inside fused silica due to the generation of self-trapped excitons induced by femtosecond laser pulses
Richter, Sören; Jia, Fei; Heinrich, Matthias; Döring, Sven; Nolte, Stefan; Tünnermann, Andreas
Conference Paper
2012Synthetic aperture focusing and time-of-flight diffraction ultrasonic imaging - past and present
Spies, Martin; Rieder, Hans; Dillhöfer, Alexander; Schmitz, Volker; Müller, Wolfgang
Journal Article
2011Methods to obtain weld discontinuities in spot-welded joints made of advanced high-strength steels
Gaul, H.; Brauser, S.; Weber, G.; Rethmeier, M.
Journal Article
2011On-site evaluation of large components using SAFT and TOFD ultrasonic imaging
Spies, M.; Rieder, H.; Dillhöfer, A.
Conference Paper
2010Erhöhung der Auffindwahrscheinlichkeit POD von Fehlern im Inneren von strukturellen Materialien mit hoher Schallschwächung durch die Verwendung von SAFT-prozessierten Ultraschall-Prüfdaten
Spies, M.; Rieder, H.
Journal Article
2010Powder-binder separation in injection moulded green parts
Mannschatz, A.; Höhn, S.; Moritz, T.
Conference Paper, Journal Article
2010Synthetic aperture focusing of ultrasonic inspection data to enhance the probability of detection of defects in strongly attenuating materials
Spies, M.; Rieder, H.
Journal Article
2009Enhancement of the POD of flaws in the bulk of highly attenuating structural materials by using SAFT processed ultrasonic inspection data
Spies, M.; Rieder, H.
Conference Paper
2008Experimental evidence of different hydrogen donors in n-type InN
Pettinari, G.; Masia, F.; Capizzi, M.; Polimeni, A.; Losurdo, M.; Bruno, G.; Kim, T.H.; Choi, S.; Brown, A.; Lebedev, V.; Cimalla, V.; Ambacher, O.
Journal Article
2008Monitoring of the friction stir welding process to describe parameter effects on joint quality
Jene, T.; Dobmann, G.; Wagner, G.; Eifler, D.
Journal Article, Conference Paper
2008Optimal probe arrangement for ultrasonic inspection of spin test disks
Bamberg, J.; Spies, M.
Conference Paper
2007Application and validation of the gaussian beam superposition technique to simulate the inspection of aero engine components
Spies, M.; Feist, W.D.
Conference Paper
2007Orthodox etching of HVPE-grown GaN
Weyher, J.L.; Lazar, S.; Macht, L.; Liliental-Weber, Z.; Molnar, R.J.; Müller, S.; Sivel, V.G.M.; Nowak, G.; Grzegory, I.
Conference Paper, Journal Article
2007Saft applied to anisotropic and attenuative materials using sparse array data and signal processing
Spies, M.; Rieder, H.
Conference Paper
2006Strength characterization of laser diced silicon for application in solar industry
Schönfelder, S.; Bagdahn, J.; Baumann, S.; Kray, D.; Mayer, K.; Willeke, G.; Becker, M.; Christiansen, S.
Conference Paper
2005High temperature infrared absorption of CVD diamond measured by laser calorimetry
Wörner, E.; Wild, C.; Müller-Sebert, W.; Grimm, M.; Koidl, P.
Journal Article, Conference Paper
2005Hydrothermal corrosion of zirconia-toughened alumina (ZTA) at 200 ºC
Herrmann, M.; Seipel, B.; Schilm, J.; Nickel, K.G.; Michael, G.; Krell, A.
Conference Paper, Journal Article
2005Prediction of ultrasonic flaw signals and model-to-experiment comparison
Spies, M.
Conference Paper
2005Surface texture investigation of ultra-precision optical components
Schröder, S.; Ratteit, J.; Gliech, S.; Duparre, A.
Conference Paper
2004Analytical methods for modeling of ultrasonic nondestructive testing of anisotropic media
Spies, M.
Journal Article
2004Bi-layered PZT films by combining thick and thin film technology
Gebhardt, S.; Seffner, L.; Schönecker, A.; Rödel, J.; Beckert, W.; Kreher, W.; Sotnikov, A.; Häßler, W.; Reuter, S.; Hübler, A.
Conference Paper, Journal Article
2004Modeling of extrinsic extended defect evolution in ion-implanted silicon upon thermal annealing
Ortiza, C.J.; Cristiano, F.; Colombeau, B.; Claverie, A.; Cowern, N.E.B.
Conference Paper
2003Synthetic aperture focusing for defect reconstruction in anisotropic media
Spies, M.; Jager, W.
Journal Article
2002Automated beam monitoring and diagnosis for CO/sub 2/ lasers
Mann, S.; Böske, L.; Kaierle, S.; Kreutz, E.W.; Poprawe, R.
Conference Paper
2002Robust solutions of inverse problems in eletromagnetic non-destructive evaluation
Altpeter, I.; Becker, R.; Dobmann, G.; Kern, R.; Theiner, W.; Yashan, A.
Journal Article
2001Die Akkumulation von Defekten in Titan, nach elektrolytischer Wasserstoffsättigung
Chernov, I.; Cherdantzev, Y.; Lider, A.; Garanin, G.; Kröning, M.; Baumbach, H.
Conference Paper
2000Optimizing edge topography of alternating phase shift masks using rigorous mask modelling
Friedrich, C.; Mader, L.; Erdmann, A.; List, S.; Gordon, R.; Kalus, C.; Griesinger, U.; Pforr, R.; Mathuni, J.; Ruhl, G.; Maurer, W.
Conference Paper
1999On the nature of grain boundary defects in high quality CVD diamond films and their influence on physical properties
Steeds, J.W.; Gilmore, A.; Bussmann, K.M.; Butler, J.E.; Koidl, P.
Journal Article
1998Carrier trapping and release in CVD-diamond films
Nebel, C.E.; Stutzmann, M.; Lacher, F.; Koidl, P.; Zachai, R.
Journal Article
1997High-Frequency Ultrasound Detection of Samll Defects in Si3N4 Ceramic
Hennicke, J.; Netzelmann, U.; Shi, Y.
Journal Article
1994Investigation of the effect of altered defect structure produced by photon assisted the diffusion of As in silicon during thermal anneallagation
Biro, L.P.; Gyulai, J.; Bogen, S.; Frey, L.; Ryssel, H.
Journal Article
1993Comment on - Direct experimental evidence for diffusion of dopants via pairs with intrinsic point defects.
Maser, K.
Journal Article
1993Low frequency eddy current inspection of the tube cladding
Hübschen, G.; Becker, R.; Kröning, M.
Conference Paper
1992UT by electromagnetic transducers - state of technology and applications in industry
Höller, P.; Salzburger, H.J.
Conference Paper
1991Effect of oxygen on the formation of end-of-range disorder in implantation amorphized silicon
Frey, L.; Khanh, N.Q.; Gyulai, J.; Lorenz, E.
Journal Article
1990The models validation work in PISC III
Coffey, J.; Lakestani, F.; Schmitz, V.
Conference Paper
1989Nondestructive investigation of fibre reinforced composites by X-ray computed tomography
Hirsekorn, S.; Maisl, M.; Reiter, H.; Scherer, T.
Conference Paper