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| 2012 | GaN-based high-frequency devices and circuits: A Fraunhofer perspective
Waltereit, P.; Bronner, W.; Quay, R.; Dammann, M.; Cäsar, M.; Müller, S.; Raay, F. van; Kiefer, R.; Brueckner, P.; Kühn, J.; Musser, M.; Kirste, L.; Haupt, C.; Pletschen, W.; Lim, T.; Aidam, R.; Mikulla, M.; Ambacher, O. | Journal Article |
| 2012 | Generation of traps in AlGaN/GaN HEMTs during RF-and DC-stress test
Cäsar, M.; Dammann, M.; Polyakov, V.M.; Waltereit, P.; Bronner, W.; Baeumler, M.; Quay, R.; Mikulla, M.; Ambacher, O. | Conference Paper |
| 2012 | High efficiency X-band AlGaN/GaN MMICs for space applications with lifetimes above 10(5) hours
Waltereit, P.; Kühn, J.; Quay, R.; Raay, F. van; Dammann, M.; Cäsar, M.; Müller, S.; Mikulla, M.; Ambacher, O.; Lätti, J.; Rostewitz, M.; Hirche, K.; Däubler, J. | Conference Paper |
| 2012 | Influence of AlGaN barrier thickness on electrical and device properties in Al0.14Ga0.86N/GaN high electron mobility transistor structures
Waltereit, P.; Bronner, W.; Musser, M.; Raay, F. van; Dammann, M.; Cäsar, M.; Müller, S.; Kirste, L.; Köhler, K.; Quay, R.; Mikulla, M.; Ambacher, O. | Journal Article |
| 2012 | Is GaN the ideal material for space?
Waltereit, P.; Bronner, W.; Quay, R.; Dammann, M.; Cäsar, M.; Müller, S.; Reiner, R.; Brueckner, P.; Kiefer, R.; Raay, F. van; Kühn, J.; Musser, M.; Haupt, C.; Mikulla, M.; Ambacher, O. | Conference Paper |
| 2012 | Microscopic degradation analysis of RF-stressed AlGaN/GaN HEMTs
Gütle, F.; Baeumler, M.; Dammann, M.; Cäsar, M.; Walcher, H.; Waltereit, P.; Bronner, W.; Müller, S.; Kiefer, R.; Quay, R.; Mikulla, M.; Ambacher, O.; Graff, A.; Altmann, F.; Simon, M. | Conference Paper |
| 2012 | Radiative inter-valley transitions as a dominant emission mechanism in AlGaN/GaN high electron mobility transistors
Gütle, F.; Polyakov, V.M.; Baeumler, M.; Benkhelifa, F.; Müller, S.; Dammann, M.; Cäsar, M.; Quay, R.; Mikulla, M.; Wagner, J.; Ambacher, O. | Journal Article |
| 2012 | Reverse bias stress test of GaN HEMTs for high-voltage switching applications
Dammann, M.; Czap, H.; Rüster, J.; Baeumler, M.; Gütle, F.; Waltereit, P.; Benkhelifa, F.; Reiner, R.; Cäsar, M.; Konstanzer, H.; Müller, S.; Quay, R.; Mikulla, M.; Ambacher, O. | Conference Paper |
| 2012 | Trade-offs between performance and reliability in AlGaN/GaN transistors
Waltereit, P.; Bronner, W.; Kiefer, R.; Quay, R.; Dammann, M.; Cäsar, M.; Brueckner, P.; Müller, S.; Mikulla, M.; Ambacher, O. | Journal Article, Conference Paper |
| 2011 | Critical factors influencing the voltage robustness of AlGaN/GaN HEMTs
Cäsar, M.; Dammann, M.; Polyakov, V.M.; Waltereit, P.; Quay, R.; Mikulla, M.; Ambacher, O. | Journal Article, Conference Paper |
| 2011 | Effect of chemical surface pre-treatment on reliability of AlGaN/GaN HEMTs
Cäsar, M.; Dammann, M.; Waltereit, P.; Bronner, W.; Baeumler, M.; Quay, R.; Mikulla, M.; Ambacher, O. | Conference Paper |
| 2011 | From epitaxy to backside process: Reproducible AlGaN/GaN HEMT technology for reliable and rugged power devices
Bronner, W.; Waltereit, P.; Müller, S.; Dammann, M.; Kiefer, R.; Dennler, P.; Raay, F. van; Musser, M.; Quay, R.; Mikulla, M.; Ambacher, O. | Conference Paper |
| 2011 | Reliability and degradation mechanism of 0.25 µm AlGaN/GaN HEMTs under RF stress conditions
Dammann, M.; Baeumler, M.; Gütle, F.; Cäsar, M.; Walcher, H.; Waltereit, P.; Bronner, W.; Müller, S.; Kiefer, R.; Quay, R.; Mikulla, M.; Ambacher, O.; Graff, A.; Altmann, F.; Simon, M. | Conference Paper |
| 2010 | AlGaN/GaN epitaxy and technology
Waltereit, P.; Bronner, W.; Quay, R.; Dammann, M.; Kiefer, R.; Pletschen, W.; Müller, S.; Aidam, R.; Menner, H.; Kirste, L.; Köhler, K.; Mikulla, M.; Ambacher, O. | Journal Article |
| 2010 | Critical factors influencing the voltage robustness of AlGaN/GaN HEMTs
Cäsar, M.; Dammann, M.; Polyakov, V.M.; Waltereit, P.; Quay, R.; Mikulla, M.; Ambacher, O. | Conference Paper |
| 2010 | Development of rugged 2 GHz power bars delivering more than 100 W and 60% power added efficiency
Waltereit, P.; Bronner, W.; Quay, R.; Dammann, M.; Müller, S.; Mikulla, M.; Ambacher, O.; Harm, L.; Lorenzini, M.; Rödle, T.; Riepe, K.; Bellmann, K.; Buchheim, C.; Goldhahn, R. | Journal Article, Conference Paper |
| 2010 | GaN power FETs for next generation mobile communication systems
Musser, M.; Walcher, H.; Maier, T.; Quay, R.; Dammann, M.; Mikulla, M.; Ambacher, O. | Conference Paper |
| 2010 | High efficiency and low leakage AlGaN/GaN HEMTs for a robust, reproducible and reliable X-band MMIC space technology
Waltereit, P.; Bronner, W.; Kiefer, R.; Quay, R.; Kühn, J.; Raay, F. van; Dammann, M.; Müller, S.; Libal, C.; Meier, T.; Mikulla, M.; Ambacher, O. | Conference Paper |
| 2010 | Investigation of leakage current of AlGaN/GaN HEMTs under pinch-off condition by electroluminescence microscopy
Baeumler, M.; Gütle, F.; Polyakov, V.M.; Cäsar, M.; Dammann, M.; Konstanzer, H.; Pletschen, W.; Bronner, W.; Quay, R.; Waltereit, P.; Mikulla, M.; Ambacher, O.; Bourgeois, F.; Behtash, R.; Riepe, K.J.; Wel, P.J. van der; Klappe, J.; Rödle, T. | Journal Article |
| 2010 | Reliability status of GaN transistors and MMICs in Europe
Dammann, M.; Cäsar, M.; Konstanzer, H.; Waltereit, P.; Quay, R.; Bronner, W.; Kiefer, R.; Müller, S.; Mikulla, M.; Wel, P.J. van der; Rödle, T.; Bourgeois, F.; Riepe, K. | Conference Paper |
| 2010 | Reproducible and uniform growth of GaN based HEMTs on 4 inch SiC by plasma assisted molecular beam epitaxy suitable for production
Aidam, R.; Waltereit, P.; Kirste, L.; Dammann, M.; Quay, R. | Journal Article |
| 2009 | Development of AlGaN/GaN HEMTS with efficiencies above 60% up to 100 V for next generation mobile communication 100 W power bars
Waltereit, P.; Bronner, W.; Quay, R.; Dammann, M.; Müller, S.; Musser, M.; Mikulla, M.; Ambacher, O.; Rijs, F. van; Rödle, T.; Riepe, K. | Conference Paper, Journal Article |
| 2009 | Gallium nitride MMICs for future reconnaissance and imaging applications
Quay, R.; Mikulla, M.; Waltereit, P.; Raay, F. van; Dammann, M.; Kühn, J.; Ambacher, O.; Schuh, P. | Conference Paper |
| 2009 | GaN HEMT and MMIC development at Fraunhofer IAF: Performance and reliability
Waltereit, P.; Bronner, W.; Quay, R.; Dammann, M.; Kiefer, R.; Müller, S.; Musser, M.; Kühn, J.; Raay, F. van; Seelmann-Eggebert, M.; Mikulla, M.; Ambacher, O.; Rijs, F. van; Rödle, T.; Riepe, K. | Journal Article |
| 2009 | Impact of GaN cap thickness on optical, electrical, and device properties in AlGaN/GaN high electron mobility transistor structures
Waltereit, P.; Müller, S.; Bellmann, K.; Buchheim, C.; Goldhahn, R.; Köhler, K.; Kirste, L.; Baeumler, M.; Dammann, M.; Bronner, W.; Quay, R.; Ambacher, O. | Journal Article |
| 2009 | L-to-Ka-band AlGaN/GaN HEMT power amplifiers with high efficiency
Quay, R.; Raay, F. van; Kühn, J.; Kiefer, R.; Waltereit, P.; Musser, M.; Maroldt, S.; Dammann, M.; Mikulla, M.; Ambacher, O. | Conference Paper |
| 2009 | Reliability and degradation mechanism of AlGaN/GaN HEMTs for next generation mobile communication systems
Dammann, M.; Pletschen, W.; Waltereit, P.; Bronner, W.; Quay, R.; Müller, S.; Mikulla, M.; Ambacher, O.; Wel, P.J. van der; Murad, S.; Rödle, T.; Behtash, R.; Bourgeois, F.; Riepe, K.; Fagerlind, M.; Sveinbjörnsson, E.Ö. | Journal Article, Conference Paper |
| 2009 | Reliability of AlGaN/GaN HEMTs under DC- and RF-operation
Dammann, M.; Cäsar, M.; Waltereit, P.; Bronner, W.; Konstanzer, H.; Quay, R.; Müller, S.; Mikulla, M.; Ambacher, O.; Wel, P. van der; Rödle, T.; Behtash, R.; Bourgeois, F.; Riepe, K. | Conference Paper |
| 2008 | Efficient AlGaN/GaN HEMT power amplifiers
Quay, R.; Raay, F. van; Kühn, J.; Kiefer, R.; Waltereit, P.; Zorcic, M.; Musser, M.; Bronner, W.; Dammann, M.; Seelmann-Eggebert, M.; Schlechtweg, M.; Mikulla, M.; Ambacher, O.; Thorpe, J.; Riepe, K.; Rijs, F. van; Saad, M.; Harm, L.; Rödle, T. | Conference Paper |
| 2008 | High-efficiency GaN HEMTs on 3-inch semi-insulating SiC substrates
Waltereit, P.; Bronner, W.; Quay, R.; Dammann, M.; Müller, S.; Kiefer, R.; Raynor, B.; Mikulla, M.; Weimann, G. | Journal Article |
| 2008 | High-efficiency, high-breakdown AlGaN/GaN HEMTs with lifetimes beyond 20 years
Waltereit, P.; Bronner, W.; Quay, R.; Dammann, M.; Müller, S.; Mikulla, M.; Rijs, F. van; Rödle, T.; Riepe, K. | Conference Paper |
| 2008 | Reliability and degradation mechanism of AlGaN/GaN HEMTs for next generation mobile communication systems
Dammann, M.; Pletschen, W.; Waltereit, P.; Bronner, W.; Quay, R.; Müller, S.; Mikulla, M.; Ambacher, O.; Wel, P.J. van der; Murad, S.; Rödle, T.; Behtash, R.; Bourgeois, F.; Riepe, K.; Fagerlind, M.; Sveinbjörnsson, E.Ö. | Conference Paper |
| 2008 | A uniform, reproducible and reliable GaN HEMT technology with breakdown voltages in excess of 160 V delivering more than 60% PAE at 80 V
Waltereit, P.; Bronner, W.; Quay, R.; Dammann, M.; Müller, S.; Kiefer, R.; Walcher, H.; Raay, F. van; Kappeler, O.; Mikulla, M. et al. | Conference Paper |
| 2007 | 50 nm MHEMT technology for G- and H-band MMICs
Leuther, A.; Tessmann, A.; Dammann, M.; Schwörer, C.; Schlechtweg, M.; Mikulla, M.; Lösch, R.; Weimann, G. | Conference Paper |
| 2007 | GaN HEMT: Trends in civil and military circuit applications
Quay, R.; Raay, F. van; Tessmann, A.; Kiefer, R.; Dammann, M.; Mikulla, M.; Schlechtweg, M.; Weimann, G. | Conference Paper |
| 2006 | GaN/AlGaN HEMT hybrid and MMIC microstrip power amplifiers on s.i. SiC substrate
Quay, R.; Kiefer, R.; Raay, F. van; Reiner, R.; Kappeler, O.; Müller, S.; Dammann, M.; Bronner, W.; Mikulla, M.; Schlechtweg, M.; Wiegner, D.; Seyfried, U.; Templ, W.; Weimann, G. | Journal Article |
| 2005 | A coplanar X-band AlGaN/GaN power amplifier MMIC on s.i. SiC substrate
Raay, F. van; Quay, R.; Kiefer, R.; Benkhelifa, F.; Raynor, B.; Pletschen, W.; Kuri, M.; Massler, H.; Müller, S.; Dammann, M.; Mikulla, M.; Schlechtweg, M.; Weimann, G. | Journal Article |
| 2005 | Metamorphic 50 nm InAs-Channel HEMT
Leuther, A.; Weber, R.; Dammann, M.; Schlechtweg, M.; Mikulla, M.; Walther, M.; Weimann, G. | Conference Paper |
| 2005 | Passivation of III-V-based compound semiconductor devices using high-density plasma deposited silicon nitride films
Sah, R.E.; Mikulla, M.; Schneider, H.; Benkhelifa, F.; Dammann, M.; Quay, R.; Fleißner, J.; Walther, M.; Weimann, G. | Conference Paper |
| 2005 | Performance and fabrication of GaN/AlGaN power MMIC at 10 GHz
Benkhelifa, F.; Kiefer, R.; Müller, S.; Raay, F. van; Quay, R.; Sah, R.E.; Dammann, M.; Mikulla, M.; Weimann, G. | Conference Paper |
| 2005 | Reliability of 50 nm low-noise metamorphic HEMTs and LNAs
Dammann, M.; Leuther, A.; Tessmann, A.; Massler, H.; Mikulla, M.; Weimann, G. | Journal Article |
| 2004 | Reliability of 70 nm metamorphic HEMTs
Dammann, M.; Leuther, A.; Quay, R.; Meng, M.; Konstanzer, H.; Jantz, W.; Mikulla, M. | Journal Article |
| 2003 | 70 nm low-noise metamorphic HEMT technology on 4 Inch GaAs wafers
Leuther, A.; Tessmann, A.; Dammann, M.; Reinert, W.; Schlechtweg, M.; Mikulla, M.; Walther, M.; Weimann, G. | Conference Paper |
| 2003 | Metamorphic HEMT technologies for millimeter-wave low-noise applications
Tessmann, A.; Leuther, A.; Massler, H.; Reinert, W.; Schwörer, C.; Dammann, M.; Walther, M.; Schlechtweg, M.; Weimann, G. | Conference Paper |
| 2003 | Reliability and degradation mechanism of AlGaAs/InGaAs and InAlAs/InGaAs HEMTs
Dammann, M.; Leuther, A.; Benkhelifa, F.; Feltgen, T.; Jantz, W. | Journal Article |
| 2002 | AlGaN/GaN HEMTs on SiC operating at 40 GHz
Quay, R.; Kiefer, R.; Raay, F. van; Massler, H.; Ramberger, S.; Müller, S.; Dammann, M.; Mikulla, M.; Schlechtweg, M.; Weimann, G. | Conference Paper |
| 2002 | Carrier density dependence of the lifetime of InGaAs/AlGaAs high power lasers
Rinner, F.; Rogg, J.; Wiedmann, N.; Konstanzer, H.; Dammann, M.; Mikulla, M.; Poprawe, R.; Weimann, G. | Conference Paper |
| 2002 | High-field step-stress and long term stability of PHEMTs with different gate and recess lengths
Cova, P.; Menozzi, R.; Dammann, M.; Feltgen, T.; Jantz, W. | Journal Article |
| 2002 | Potential of metamorphic HEMT with 0.25µm refractory metal gate for power application in Ka-Band
Benkhelifa, F.; Quay, R.; Lösch, R.; Schäuble, K.; Dammann, M.; Mikulla, M.; Weimann, G. | Conference Paper |
| 2002 | Reliability of metamorphic HEMTs for power applications
Dammann, M.; Benkhelifa, F.; Meng, M.; Jantz, W. | Journal Article |
| 2001 | Effect of gate metal on reliability of metamorphic HEMTs
Dammann, M.; Leuther, A.; Konstanzer, H.; Jantz, W. | Conference Paper |
| 2001 | High performance metamorphic HEMT with 0.25 µm refractory metal gate on 4´´ GaAs substrate
Benkhelifa, F.; Chertouk, M.; Dammann, M.; Massler, H.; Walther, M.; Weimann, G. | Conference Paper |
| 2000 | 0.15 mu-m passivated InP-based HEMT MMIC technology with high thermal-stability in hydrogen ambient
Chertouk, M.; Dammann, M.; Kohler, K.; Weimann, G. | Journal Article |
| 2000 | Effect of drain voltage on channel temperature and reliability of pseudomorphic InP-based HEMTs
Dammann, M.; Chertouk, M.; Jantz, W.; Köhler, K.; Marsetz, W.; Schmidt, K.; Weimann, G. | Journal Article |
| 2000 | Reliability of InAlAs/InGaAs HEMTs grown on GaAs substrate with metamorphic buffer
Dammann, M.; Chertouk, M.; Jantz, W.; Köhler, K.; Weimann, G. | Journal Article |
| 2000 | W-band MMICs with 0.15 mu-m metamorphic InAlAs/InGaAs HEMTs on GaAs substrate - performance, thermal- stability and reliability
Chertouk, M.; Kudszus, S.; Dammann, M.; Reuter, R.; Kohler, K.; Weimann, G. | Conference Paper |
| 1999 | Fraunhofer-Institut für Angewandte Festkörperphysik. Annual Report 1998
: Dammann, M. | Electronic Publication, Annual Report |
| 1999 | Passivated 0,15 mu m InAlAs/InGaAs HEMTs with 500 GHz f(max). HF performance, thermal stability and reliability
Chertouk, M.; Dammann, M.; Massler, M.; Köhler, K.; Weimann, G. | Conference Paper |
| 1999 | Reliability of passivated 0.15 mu m InAlAs/InGaAs HEMT's with pseudomorphic channel
Dammann, M.; Chertouk, M.; Jantz, W.; Köhler, K.; Schmidt, K.H.; Weimann, G. | Conference Paper |
| 1998 | Effect of atmosphere on reliability of passivated 0.15 mu m InAlAs/InGaAs HEMTs
Dammann, M.; Chertouk, M.; Jantz, W.; Köhler, K.; Schmidt, K.H.; Weimann, G. | Journal Article |
| 1998 | Influence of layout and packaging on the temperature of GaAs power PHEMTs
Marsetz, W.; Dammann, M.; Kawashima, H.; Rüdiger, J.; Matthes, B.; Hülsmann, A.; Schlechtweg, M. | Conference Paper |
| 1998 | Millimeter wave InP HEMT MMIC technology. Thermal stability and performace
Chertouk, M.; Steinhagen, F.; Massler, H.; Dammann, M.; Haydl, W.H.; Köhler, K.; Weimann, G. | Conference Paper |
| 1998 | Monolithic integration of a GaInAs PIN photodiode and AlGaAs/GaAs/AlGaAs HEMTs on GaAs substrate
Bronner, W.; Benz, W.; Dammann, M.; Ganser, P.; Grün, N.; Hurm, V.; Jakobus, T.; Köhler, K.; Ludwig, M.; Olander, E. | Conference Paper |
| 1998 | W-band high gain passivated 0.15 mu m InP-based HEMTs MMIC technology with high thermal stability on InP substrates
Chertouk, M.; Steinhagen, F.; Massler, H.; Dammann, M.; Haydl, W.H.; Köhler, K.; Weimann, G. | Conference Paper |
| 1997 | 10 Gbit/s long wavelength pin-HEMT photoreceiver grown on GaAs
Hurm, V.; Benz, W.; Bronner, W.; Dammann, M.; Jakobus, T.; Kaufel, G.; Köhler, K.; Lao, Z.; Ludwig, M.; Raynor, B.; Rosenzweig, J.; Schlechtweg, M. | Journal Article |