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Steven Ringel
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Deep level defects throughout the bandgap of (010) β-Ga2O3 detected by optically and thermally stimulated defect spectroscopy
Z Zhang, E Farzana, AR Arehart, SA Ringel
Applied Physics Letters 108 (5), 052105, 2016
2592016
The effects of CdCl2 on the electronic properties of molecular‐beam epitaxially grown CdTe/CdS heterojunction solar cells
SA Ringel, AW Smith, MH MacDougal, A Rohatgi
Journal of applied physics 70 (2), 881-889, 1991
2441991
Impact of carbon on trap states in n-type GaN grown by metalorganic chemical vapor deposition
A Armstrong, AR Arehart, B Moran, SP DenBaars, UK Mishra, JS Speck, ...
Applied Physics Letters 84 (3), 374-376, 2004
2062004
Impact of deep levels on the electrical conductivity and luminescence of gallium nitride codoped with carbon and silicon
A Armstrong, AR Arehart, D Green, UK Mishra, JS Speck, SA Ringel
Journal of Applied physics 98 (5), 053704, 2005
1862005
Control and elimination of nucleation-related defects in GaP/Si (001) heteroepitaxy
TJ Grassman, MR Brenner, S Rajagopalan, R Unocic, R Dehoff, M Mills, ...
Applied Physics Letters 94 (23), 232106, 2009
1842009
Optically and thermally detected deep levels in n-type Schottky and GaN diodes
A Hierro, D Kwon, SA Ringel, M Hansen, JS Speck, UK Mishra, ...
Applied Physics Letters 76 (21), 3064-3066, 2000
1622000
Dual junction GaInP/GaAs solar cells grown on metamorphic SiGe/Si substrates with high open circuit voltage
MR Lueck, CL Andre, AJ Pitera, ML Lee, EA Fitzgerald, SA Ringel
IEEE Electron Device Letters 27 (3), 142-144, 2006
1602006
Single‐junction InGaP/GaAs solar cells grown on Si substrates with SiGe buffer layers
SA Ringel, JA Carlin, CL Andre, MK Hudait, M Gonzalez, DM Wilt, ...
Progress in Photovoltaics: Research and Applications 10 (6), 417-426, 2002
1582002
Impact of dislocation densities on and junction GaAs diodes and solar cells on SiGe virtual substrates
CL Andre, DM Wilt, AJ Pitera, ML Lee, EA Fitzgerald, SA Ringel
Journal of applied physics 98 (1), 014502, 2005
1492005
Anti-phase domain-free growth of GaAs on offcut (001) Ge wafers by molecular beam epitaxy with suppressed Ge outdiffusion
RM Sieg, SA Ringel, SM Ting, EA Fitzgerald, RN Sacks
Journal of electronic materials 27 (7), 900-907, 1998
1481998
Hydrogen passivation of deep levels in
A Hierro, SA Ringel, M Hansen, JS Speck, UK Mishra, SP DenBaars
Applied Physics Letters 77 (10), 1499-1501, 2000
1442000
Toward device-quality GaAs growth by molecular beam epitaxy on offcut substrates
RM Sieg, SA Ringel, SM Ting, SB Samavedam, M Currie, T Langdo, ...
Journal of Vacuum Science & Technology B: Microelectronics and Nanometer …, 1998
1341998
Impact of GaAs buffer thickness on electronic quality of GaAs grown on graded Ge/GeSi/Si substrates
JA Carlin, SA Ringel, EA Fitzgerald, M Bulsara, BM Keyes
Applied Physics Letters 76 (14), 1884-1886, 2000
1332000
Influence of metal choice on (010) β-Ga2O3 Schottky diode properties
E Farzana, Z Zhang, PK Paul, AR Arehart, SA Ringel
Applied Physics Letters 110 (20), 202102, 2017
1312017
Nucleation-related defect-free GaP/Si (100) heteroepitaxy via metal-organic chemical vapor deposition
TJ Grassman, JA Carlin, B Galiana, LM Yang, F Yang, MJ Mills, SA Ringel
Applied Physics Letters 102 (14), 142102, 2013
1312013
Effect of threading dislocation density on Schottky diode characteristics
AR Arehart, B Moran, JS Speck, UK Mishra, SP DenBaars, SA Ringel
Journal of applied physics 100 (2), 023709, 2006
1252006
Characterization of metamorphic GaAsP/Si materials and devices for photovoltaic applications
TJ Grassman, MR Brenner, M Gonzalez, AM Carlin, RR Unocic, ...
IEEE Transactions on Electron Devices 57 (12), 3361-3369, 2010
1122010
Impact of dislocations on minority carrier electron and hole lifetimes in GaAs grown on metamorphic SiGe substrates
CL Andre, JJ Boeckl, DM Wilt, AJ Pitera, ML Lee, EA Fitzgerald, BM Keyes, ...
Applied physics letters 84 (18), 3447-3449, 2004
1122004
Investigations of high-performance GaAs solar cells grown on Ge-Si/sub 1-x/Ge/sub x/-Si substrates
CL Andre, JA Carlin, JJ Boeckl, DM Wilt, MA Smith, AJ Pitera, ML Lee, ...
IEEE Transactions on Electron Devices 52 (6), 1055-1060, 2005
1112005
Electron trapping kinetics at dislocations in relaxed Ge0.3Si0.7/Si heterostructures
PN Grillot, SA Ringel, EA Fitzgerald, GP Watson, YH Xie
Journal of applied physics 77 (7), 3248-3256, 1995
1111995
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