Donat Josef As
Center for Optoelectronics and Photonics (CeOPP)
Sonderforschungsbereich Transregio 142
d.as@uni-paderborn.deID
45 Publications
2023 | Journal Article | LibreCat-ID: 46573
Time-resolved pump–probe spectroscopic ellipsometry of cubic GaN. I. Determination of the dielectric function
E. Baron, R. Goldhahn, S. Espinoza, M. Zahradník, M. Rebarz, J. Andreasson, M. Deppe, D.J. As, M. Feneberg, Journal of Applied Physics 134 (2023).
LibreCat
| DOI
E. Baron, R. Goldhahn, S. Espinoza, M. Zahradník, M. Rebarz, J. Andreasson, M. Deppe, D.J. As, M. Feneberg, Journal of Applied Physics 134 (2023).
2023 | Journal Article | LibreCat-ID: 46132
Remote Epitaxy of Cubic Gallium Nitride on Graphene‐Covered 3C‐SiC Substrates by Plasma‐Assisted Molecular Beam Epitaxy
M. Littmann, D. Reuter, D.J. As, Physica Status Solidi (b) 260 (2023).
LibreCat
| DOI
M. Littmann, D. Reuter, D.J. As, Physica Status Solidi (b) 260 (2023).
2023 | Journal Article | LibreCat-ID: 46741
Overcoming the Miscibility Gap of GaN/InN in MBE Growth of Cubic InxGa1–xN
M.F. Zscherp, S.A. Jentsch, M.J. Müller, V. Lider, C. Becker, L. Chen, M. Littmann, F. Meier, A. Beyer, D.M. Hofmann, D.J. As, P.J. Klar, K. Volz, S. Chatterjee, J. Schörmann, ACS Applied Materials & Interfaces 15 (2023) 39513–39522.
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| DOI
M.F. Zscherp, S.A. Jentsch, M.J. Müller, V. Lider, C. Becker, L. Chen, M. Littmann, F. Meier, A. Beyer, D.M. Hofmann, D.J. As, P.J. Klar, K. Volz, S. Chatterjee, J. Schörmann, ACS Applied Materials & Interfaces 15 (2023) 39513–39522.
2022 | Journal Article | LibreCat-ID: 35232
Selective Area Growth of Cubic Gallium Nitride in Nanoscopic Silicon Dioxide Masks
F. Meier, M. Littmann, J. Bürger, T. Riedl, D. Kool, J. Lindner, D. Reuter, D.J. As, Physica Status Solidi (b) (2022).
LibreCat
| DOI
F. Meier, M. Littmann, J. Bürger, T. Riedl, D. Kool, J. Lindner, D. Reuter, D.J. As, Physica Status Solidi (b) (2022).
2021 | Journal Article | LibreCat-ID: 23842
Optical evidence of many-body effects in the zincblende Al$_\mathrm{x}$Ga$_\mathrm{1-x}$N alloy system
E. Baron, M. Feneberg, R. Goldhahn, M. Deppe, F. Tacken, D.J. As, Journal of Physics D: Applied Physics (2021).
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E. Baron, M. Feneberg, R. Goldhahn, M. Deppe, F. Tacken, D.J. As, Journal of Physics D: Applied Physics (2021).
2021 | Journal Article | LibreCat-ID: 25227 | 
Extremely low-energy ARPES of quantum well states in cubic-GaN/AlN and GaAs/AlGaAs heterostructures
M. Hajlaoui, S. Ponzoni, M. Deppe, T. Henksmeier, D.J. As, D. Reuter, T. Zentgraf, G. Springholz, C.M. Schneider, S. Cramm, M. Cinchetti, Scientific Reports 11 (2021).
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| DOI
| Download (ext.)
M. Hajlaoui, S. Ponzoni, M. Deppe, T. Henksmeier, D.J. As, D. Reuter, T. Zentgraf, G. Springholz, C.M. Schneider, S. Cramm, M. Cinchetti, Scientific Reports 11 (2021).
2021 | Journal Article | LibreCat-ID: 23843
Selective area growth of cubic gallium nitride on silicon (001) and 3C-silicon carbide (001)
F. Meier, M. Protte, E. Baron, M. Feneberg, R. Goldhahn, D. Reuter, D.J. As, AIP Advances (2021).
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F. Meier, M. Protte, E. Baron, M. Feneberg, R. Goldhahn, D. Reuter, D.J. As, AIP Advances (2021).
2020 | Journal Article | LibreCat-ID: 23838
A Physics-Based Compact Static and Dynamic Characteristics Model for Al2O3/InxAl1−xN/AlN/GaN MOS-HEMTs
A. Beloufa, D. Bouguenna, N. Kermas, D.J. As, Journal of Electronic Materials (2020) 2008–2017.
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A. Beloufa, D. Bouguenna, N. Kermas, D.J. As, Journal of Electronic Materials (2020) 2008–2017.
2020 | Journal Article | LibreCat-ID: 23840
Photoluminescence Line‐Shape Analysis of Highly n‐Type Doped Zincblende GaN
E. Baron, R. Goldhahn, M. Deppe, D.J. As, M. Feneberg, Physica Status Solidi (B) (2020).
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E. Baron, R. Goldhahn, M. Deppe, D.J. As, M. Feneberg, Physica Status Solidi (B) (2020).
2020 | Journal Article | LibreCat-ID: 23841
Molecular Beam Epitaxy Growth and Characterization of Germanium‐Doped Cubic Al x Ga 1− x N
M. Deppe, T. Henksmeier, J.W. Gerlach, D. Reuter, D.J. As, Physica Status Solidi (B) (2020).
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M. Deppe, T. Henksmeier, J.W. Gerlach, D. Reuter, D.J. As, Physica Status Solidi (B) (2020).
2019 | Journal Article | LibreCat-ID: 23831
Influence of the free-electron concentration on the optical properties of zincblende GaN up to 1×1020cm−3
E. Baron, R. Goldhahn, M. Deppe, D.J. As, M. Feneberg, Physical Review Materials (2019).
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| DOI
E. Baron, R. Goldhahn, M. Deppe, D.J. As, M. Feneberg, Physical Review Materials (2019).
2019 | Journal Article | LibreCat-ID: 8646
Germanium doping of cubic GaN grown by molecular beam epitaxy
M. Deppe, J.W. Gerlach, S. Shvarkov, D. Rogalla, H.-W. Becker, D. Reuter, D.J. As, Journal of Applied Physics (2019).
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M. Deppe, J.W. Gerlach, S. Shvarkov, D. Rogalla, H.-W. Becker, D. Reuter, D.J. As, Journal of Applied Physics (2019).
2019 | Journal Article | LibreCat-ID: 13965
Optical excitation density dependence of spin dynamics in bulk cubic GaN
J.H. Buß, T. Schupp, D.J. As, D. Hägele, J. Rudolph, Journal of Applied Physics (2019).
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J.H. Buß, T. Schupp, D.J. As, D. Hägele, J. Rudolph, Journal of Applied Physics (2019).
2019 | Journal Article | LibreCat-ID: 13966
Influence of the free-electron concentration on the optical properties of zincblende GaN up to 1×1020cm−3
E. Baron, R. Goldhahn, M. Deppe, D.J. As, M. Feneberg, Physical Review Materials (2019).
LibreCat
| DOI
E. Baron, R. Goldhahn, M. Deppe, D.J. As, M. Feneberg, Physical Review Materials (2019).
2019 | Journal Article | LibreCat-ID: 15444 |
Molecular Beam Epitaxy Growth and Characterization of Germanium‐Doped Cubic Al x Ga 1− x N
M. Deppe, T. Henksmeier, J.W. Gerlach, D. Reuter, D.J. As, Physica Status Solidi (b) (2019).
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| DOI
| Download (ext.)
M. Deppe, T. Henksmeier, J.W. Gerlach, D. Reuter, D.J. As, Physica Status Solidi (b) (2019).
2018 | Journal Article | LibreCat-ID: 4809
Investigation on interface-related defects by photoluminescence of cubic (Al)GaN/AlN multi-quantum wells structures
L.K.S. Herval, M.P.F. de Godoy, T. Wecker, D.J. As, Journal of Luminescence 198 (2018) 309–313.
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L.K.S. Herval, M.P.F. de Godoy, T. Wecker, D.J. As, Journal of Luminescence 198 (2018) 309–313.
2018 | Journal Article | LibreCat-ID: 7022
Optical Properties of Cubic GaN Quantum Dots Grown by Molecular Beam Epitaxy
S. Blumenthal, D. Reuter, D.J. As, Physica Status Solidi (B) 255 (2018).
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| DOI
S. Blumenthal, D. Reuter, D.J. As, Physica Status Solidi (B) 255 (2018).
2018 | Book Chapter | LibreCat-ID: 4350
Nonpolar Cubic III-nitrides: From the Basics of Growth to Device Applications
D.J. As, K. Lischka, in: Molecular Beam Epitaxy, Elsevier, 2018, pp. 95–114.
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| DOI
D.J. As, K. Lischka, in: Molecular Beam Epitaxy, Elsevier, 2018, pp. 95–114.
2018 | Journal Article | LibreCat-ID: 20588
Stacked Self-Assembled Cubic GaN Quantum Dots Grown by Molecular Beam Epitaxy
S. Blumenthal, T. Rieger, D. Meertens, A. Pawlis, D. Reuter, D.J. As, Physica Status Solidi (b) 255 (2018) 1600729.
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S. Blumenthal, T. Rieger, D. Meertens, A. Pawlis, D. Reuter, D.J. As, Physica Status Solidi (b) 255 (2018) 1600729.
2017 | Journal Article | LibreCat-ID: 4808
Correlation of the Carrier Decay Time and Barrier Thickness for Asymmetric Cubic GaN/Al0.64Ga0.36N Double Quantum Wells
T. Wecker, G. Callsen, A. Hoffmann, D. Reuter, D.J. As, Physica Status Solidi (B) 255 (2017).
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| DOI
T. Wecker, G. Callsen, A. Hoffmann, D. Reuter, D.J. As, Physica Status Solidi (B) 255 (2017).
2017 | Journal Article | LibreCat-ID: 4810
Linear and nonlinear behaviour of near-IR intersubband transitions of cubic GaN/AlN multi quantum well structures
T. Wecker, T. Jostmeier, T. Rieger, E. Neumann, A. Pawlis, M. Betz, D. Reuter, D.J. As, Journal of Crystal Growth 477 (2017) 149–153.
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T. Wecker, T. Jostmeier, T. Rieger, E. Neumann, A. Pawlis, M. Betz, D. Reuter, D.J. As, Journal of Crystal Growth 477 (2017) 149–153.
2017 | Journal Article | LibreCat-ID: 4811
Incorporation of germanium for n-type doping of cubic GaN
M. Deppe, J.W. Gerlach, D. Reuter, D.J. As, Physica Status Solidi (B) 254 (2017).
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M. Deppe, J.W. Gerlach, D. Reuter, D.J. As, Physica Status Solidi (B) 254 (2017).
2017 | Journal Article | LibreCat-ID: 4812
Picosecond Acoustics in Single Quantum Wells of Cubic GaN/(Al,Ga)N
T. Czerniuk, T. Ehrlich, T. Wecker, D.J. As, D.R. Yakovlev, A.V. Akimov, M. Bayer, Physical Review Applied 7 (2017).
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T. Czerniuk, T. Ehrlich, T. Wecker, D.J. As, D.R. Yakovlev, A.V. Akimov, M. Bayer, Physical Review Applied 7 (2017).
2017 | Journal Article | LibreCat-ID: 4813
Optical Properties of Germanium Doped Cubic GaN
D.J. As, M. Deppe, J. Gerlach, D. Reuter, MRS Advances 2 (2017) 283–288.
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D.J. As, M. Deppe, J. Gerlach, D. Reuter, MRS Advances 2 (2017) 283–288.
2016 | Journal Article | LibreCat-ID: 4814
Electron spin dynamics in cubic GaN
J.H. Buß, T. Schupp, D.J. As, O. Brandt, D. Hägele, J. Rudolph, Physical Review B 94 (2016).
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J.H. Buß, T. Schupp, D.J. As, O. Brandt, D. Hägele, J. Rudolph, Physical Review B 94 (2016).
2016 | Journal Article | LibreCat-ID: 4815
Magnetic and structural properties of Fe-implanted cubic GaN
V.A.N. Righetti, X. Gratens, V.A. Chitta, M.P.F. de Godoy, A.D. Rodrigues, E. Abramof, J.F. Dias, D. Schikora, D.J. As, K. Lischka, Journal of Applied Physics 120 (2016).
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V.A.N. Righetti, X. Gratens, V.A. Chitta, M.P.F. de Godoy, A.D. Rodrigues, E. Abramof, J.F. Dias, D. Schikora, D.J. As, K. Lischka, Journal of Applied Physics 120 (2016).
2016 | Journal Article | LibreCat-ID: 4817
Photoluminescence of gallium ion irradiated hexagonal and cubic GaN quantum dots
C. Rothfuchs, N. Kukharchyk, T. Koppe, F. Semond, S. Blumenthal, H.-W. Becker, D.J. As, H.C. Hofsäss, A.D. Wieck, A. Ludwig, Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms 383 (2016) 1–5.
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C. Rothfuchs, N. Kukharchyk, T. Koppe, F. Semond, S. Blumenthal, H.-W. Becker, D.J. As, H.C. Hofsäss, A.D. Wieck, A. Ludwig, Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms 383 (2016) 1–5.
2016 | Journal Article | LibreCat-ID: 7055
Photoluminescence excitation spectroscopy of excited states of an asymmetric cubic GaN/Al0.25Ga0.75N double quantum well grown by molecular beam epitaxy
T. Wecker, G. Callsen, A. Hoffmann, D. Reuter, D.J. As, Japanese Journal of Applied Physics 55 (2016).
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| DOI
T. Wecker, G. Callsen, A. Hoffmann, D. Reuter, D.J. As, Japanese Journal of Applied Physics 55 (2016).
2016 | Journal Article | LibreCat-ID: 3888
Fabrication and characterization of two-dimensional cubic AlN photonic crystal membranes containing zincblende GaN quantum dots
S. Blumenthal, M. Bürger, A. Hildebrandt, J. Förstner, N. Weber, C. Meier, D. Reuter, D.J. As, Physica Status Solidi (c) 13 (2016) 292–296.
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| Files available
| DOI
S. Blumenthal, M. Bürger, A. Hildebrandt, J. Förstner, N. Weber, C. Meier, D. Reuter, D.J. As, Physica Status Solidi (c) 13 (2016) 292–296.
2016 | Journal Article | LibreCat-ID: 4240
Joint Raman spectroscopy and HRXRD investigation of cubic gallium nitride layers grown on 3C-SiC
M. Rüsing, T. Wecker, G. Berth, D.J. As, A. Zrenner, Physica Status Solidi (b) 253 (2016) 778–782.
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M. Rüsing, T. Wecker, G. Berth, D.J. As, A. Zrenner, Physica Status Solidi (b) 253 (2016) 778–782.
2015 | Journal Article | LibreCat-ID: 4819
Active zinc-blende III–nitride photonic structures on silicon
S. Sergent, S. Kako, M. Bürger, S. Blumenthal, S. Iwamoto, D.J. As, Y. Arakawa, Applied Physics Express 9 (2015).
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S. Sergent, S. Kako, M. Bürger, S. Blumenthal, S. Iwamoto, D.J. As, Y. Arakawa, Applied Physics Express 9 (2015).
2015 | Journal Article | LibreCat-ID: 4820
Temperature dependence of the electron Landé g-factor in cubic GaN
J.H. Buß, T. Schupp, D.J. As, D. Hägele, J. Rudolph, Journal of Applied Physics 118 (2015).
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J.H. Buß, T. Schupp, D.J. As, D. Hägele, J. Rudolph, Journal of Applied Physics 118 (2015).
2015 | Journal Article | LibreCat-ID: 4825
Strain dependent electron spin dynamics in bulk cubic GaN
A. Schaefer, J.H. Buß, T. Schupp, A. Zado, D.J. As, D. Hägele, J. Rudolph, Journal of Applied Physics 117 (2015).
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A. Schaefer, J.H. Buß, T. Schupp, A. Zado, D.J. As, D. Hägele, J. Rudolph, Journal of Applied Physics 117 (2015).
2015 | Journal Article | LibreCat-ID: 7217
Ultrafast carrier dynamics and resonant inter-miniband nonlinearity of a cubic GaN/AlN superlattice
T. Jostmeier, T. Wecker, D. Reuter, D.J. As, M. Betz, Applied Physics Letters 107 (2015).
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| DOI
T. Jostmeier, T. Wecker, D. Reuter, D.J. As, M. Betz, Applied Physics Letters 107 (2015).
2014 | Journal Article | LibreCat-ID: 4824
Structural and optical properties of MBE-grown asymmetric cubic GaN/AlxGa1-xN double quantum wells
T. Wecker, F. Hörich, M. Feneberg, R. Goldhahn, D. Reuter, D.J. As, Physica Status Solidi (B) 252 (2014) 873–878.
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T. Wecker, F. Hörich, M. Feneberg, R. Goldhahn, D. Reuter, D.J. As, Physica Status Solidi (B) 252 (2014) 873–878.
2014 | Journal Article | LibreCat-ID: 8762
Polarization properties of single zinc-blende GaN/AlN quantum dots
S. Sergent, S. Kako, M. Bürger, T. Schupp, D.J. As, Y. Arakawa, Physical Review B (2014).
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S. Sergent, S. Kako, M. Bürger, T. Schupp, D.J. As, Y. Arakawa, Physical Review B (2014).
2014 | Journal Article | LibreCat-ID: 4064
Hydrogen Effects in ECR-Etching of 3C-SiC(100) Mesa Structures
L. Hiller, T. Stauden, R.M. Kemper, J. Lindner, D.J. As, J. Pezoldt, Materials Science Forum 778–780 (2014) 730–733.
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| Files available
| DOI
L. Hiller, T. Stauden, R.M. Kemper, J. Lindner, D.J. As, J. Pezoldt, Materials Science Forum 778–780 (2014) 730–733.
2013 | Journal Article | LibreCat-ID: 3963 |
Whispering gallery modes in zinc-blende AlN microdisks containing non-polar GaN quantum dots
M. Bürger, M. Ruth, S. Declair, J. Förstner, C. Meier, D.J. As, Applied Physics Letters 102 (2013) 081105.
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| Files available
| DOI
M. Bürger, M. Ruth, S. Declair, J. Förstner, C. Meier, D.J. As, Applied Physics Letters 102 (2013) 081105.
2013 | Journal Article | LibreCat-ID: 13524
Transition energies and direct-indirect band gap crossing in zinc-blende AlxGa1−xN
M. Landmann, E. Rauls, W.G. Schmidt, M. Röppischer, C. Cobet, N. Esser, T. Schupp, D.J. As, M. Feneberg, R. Goldhahn, Physical Review B 87 (2013).
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M. Landmann, E. Rauls, W.G. Schmidt, M. Röppischer, C. Cobet, N. Esser, T. Schupp, D.J. As, M. Feneberg, R. Goldhahn, Physical Review B 87 (2013).
2012 | Journal Article | LibreCat-ID: 4333
Optical properties of cubic GaN from 1 to 20 eV
M. Feneberg, M. Röppischer, C. Cobet, N. Esser, J. Schörmann, T. Schupp, D.J. As, F. Hörich, J. Bläsing, A. Krost, R. Goldhahn, Physical Review B 85 (2012).
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M. Feneberg, M. Röppischer, C. Cobet, N. Esser, J. Schörmann, T. Schupp, D.J. As, F. Hörich, J. Bläsing, A. Krost, R. Goldhahn, Physical Review B 85 (2012).
2012 | Journal Article | LibreCat-ID: 4116
ECR-Ectching of Submicron and Nanometer Sized 3C-SiC(100) Mesa Structures
L. Hiller, T. Stauden, R.M. Kemper, J. Lindner, D.J. As, J. Pezoldt, Materials Science Forum 717–720 (2012) 901–904.
LibreCat
| Files available
| DOI
L. Hiller, T. Stauden, R.M. Kemper, J. Lindner, D.J. As, J. Pezoldt, Materials Science Forum 717–720 (2012) 901–904.
2011 | Journal Article | LibreCat-ID: 13568
Band offsets in cubic GaN/AlN superlattices
C. Mietze, M. Landmann, E. Rauls, H. Machhadani, S. Sakr, M. Tchernycheva, F.H. Julien, W.G. Schmidt, K. Lischka, D.J. As, Physical Review B 83 (2011).
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C. Mietze, M. Landmann, E. Rauls, H. Machhadani, S. Sakr, M. Tchernycheva, F.H. Julien, W.G. Schmidt, K. Lischka, D.J. As, Physical Review B 83 (2011).
2011 | Journal Article | LibreCat-ID: 4146
Anti-phase domains in cubic GaN
R. Maria Kemper, T. Schupp, M. Häberlen, T. Niendorf, H.-J. Maier, A. Dempewolf, F. Bertram, J. Christen, R. Kirste, A. Hoffmann, J. Lindner, D. As, Journal of Applied Physics 110 (2011).
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| Files available
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R. Maria Kemper, T. Schupp, M. Häberlen, T. Niendorf, H.-J. Maier, A. Dempewolf, F. Bertram, J. Christen, R. Kirste, A. Hoffmann, J. Lindner, D. As, Journal of Applied Physics 110 (2011).
2010 | Journal Article | LibreCat-ID: 13835
Magnetic characterization of conductance electrons in GaN
A. Scholle, S. Greulich-Weber, D.J. As, C. Mietze, N.T. Son, C. Hemmingsson, B. Monemar, E. Janzén, U. Gerstmann, S. Sanna, E. Rauls, W.G. Schmidt, Physica Status Solidi (B) 247 (2010) 1728–1731.
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A. Scholle, S. Greulich-Weber, D.J. As, C. Mietze, N.T. Son, C. Hemmingsson, B. Monemar, E. Janzén, U. Gerstmann, S. Sanna, E. Rauls, W.G. Schmidt, Physica Status Solidi (B) 247 (2010) 1728–1731.
2009 | Conference Paper | LibreCat-ID: 4218
Schottky and Ohmic Contacts on Non-Polar Cubic GaN Epilayers
D.J. As, E. Tschumak, I. Laubenstein, R.M. Kemper, K. Lischka, in: Materials Research Society Symposium Proceedings, Materials Research Society, 2009, pp. 3–8.
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| DOI
D.J. As, E. Tschumak, I. Laubenstein, R.M. Kemper, K. Lischka, in: Materials Research Society Symposium Proceedings, Materials Research Society, 2009, pp. 3–8.
45 Publications
2023 | Journal Article | LibreCat-ID: 46573
Time-resolved pump–probe spectroscopic ellipsometry of cubic GaN. I. Determination of the dielectric function
E. Baron, R. Goldhahn, S. Espinoza, M. Zahradník, M. Rebarz, J. Andreasson, M. Deppe, D.J. As, M. Feneberg, Journal of Applied Physics 134 (2023).
LibreCat
| DOI
E. Baron, R. Goldhahn, S. Espinoza, M. Zahradník, M. Rebarz, J. Andreasson, M. Deppe, D.J. As, M. Feneberg, Journal of Applied Physics 134 (2023).
2023 | Journal Article | LibreCat-ID: 46132
Remote Epitaxy of Cubic Gallium Nitride on Graphene‐Covered 3C‐SiC Substrates by Plasma‐Assisted Molecular Beam Epitaxy
M. Littmann, D. Reuter, D.J. As, Physica Status Solidi (b) 260 (2023).
LibreCat
| DOI
M. Littmann, D. Reuter, D.J. As, Physica Status Solidi (b) 260 (2023).
2023 | Journal Article | LibreCat-ID: 46741
Overcoming the Miscibility Gap of GaN/InN in MBE Growth of Cubic InxGa1–xN
M.F. Zscherp, S.A. Jentsch, M.J. Müller, V. Lider, C. Becker, L. Chen, M. Littmann, F. Meier, A. Beyer, D.M. Hofmann, D.J. As, P.J. Klar, K. Volz, S. Chatterjee, J. Schörmann, ACS Applied Materials & Interfaces 15 (2023) 39513–39522.
LibreCat
| DOI
M.F. Zscherp, S.A. Jentsch, M.J. Müller, V. Lider, C. Becker, L. Chen, M. Littmann, F. Meier, A. Beyer, D.M. Hofmann, D.J. As, P.J. Klar, K. Volz, S. Chatterjee, J. Schörmann, ACS Applied Materials & Interfaces 15 (2023) 39513–39522.
2022 | Journal Article | LibreCat-ID: 35232
Selective Area Growth of Cubic Gallium Nitride in Nanoscopic Silicon Dioxide Masks
F. Meier, M. Littmann, J. Bürger, T. Riedl, D. Kool, J. Lindner, D. Reuter, D.J. As, Physica Status Solidi (b) (2022).
LibreCat
| DOI
F. Meier, M. Littmann, J. Bürger, T. Riedl, D. Kool, J. Lindner, D. Reuter, D.J. As, Physica Status Solidi (b) (2022).
2021 | Journal Article | LibreCat-ID: 23842
Optical evidence of many-body effects in the zincblende Al$_\mathrm{x}$Ga$_\mathrm{1-x}$N alloy system
E. Baron, M. Feneberg, R. Goldhahn, M. Deppe, F. Tacken, D.J. As, Journal of Physics D: Applied Physics (2021).
LibreCat
| DOI
E. Baron, M. Feneberg, R. Goldhahn, M. Deppe, F. Tacken, D.J. As, Journal of Physics D: Applied Physics (2021).
2021 | Journal Article | LibreCat-ID: 25227 |
Extremely low-energy ARPES of quantum well states in cubic-GaN/AlN and GaAs/AlGaAs heterostructures
M. Hajlaoui, S. Ponzoni, M. Deppe, T. Henksmeier, D.J. As, D. Reuter, T. Zentgraf, G. Springholz, C.M. Schneider, S. Cramm, M. Cinchetti, Scientific Reports 11 (2021).
LibreCat
| DOI
| Download (ext.)
M. Hajlaoui, S. Ponzoni, M. Deppe, T. Henksmeier, D.J. As, D. Reuter, T. Zentgraf, G. Springholz, C.M. Schneider, S. Cramm, M. Cinchetti, Scientific Reports 11 (2021).
2021 | Journal Article | LibreCat-ID: 23843
Selective area growth of cubic gallium nitride on silicon (001) and 3C-silicon carbide (001)
F. Meier, M. Protte, E. Baron, M. Feneberg, R. Goldhahn, D. Reuter, D.J. As, AIP Advances (2021).
LibreCat
| DOI
F. Meier, M. Protte, E. Baron, M. Feneberg, R. Goldhahn, D. Reuter, D.J. As, AIP Advances (2021).
2020 | Journal Article | LibreCat-ID: 23838
A Physics-Based Compact Static and Dynamic Characteristics Model for Al2O3/InxAl1−xN/AlN/GaN MOS-HEMTs
A. Beloufa, D. Bouguenna, N. Kermas, D.J. As, Journal of Electronic Materials (2020) 2008–2017.
LibreCat
| DOI
A. Beloufa, D. Bouguenna, N. Kermas, D.J. As, Journal of Electronic Materials (2020) 2008–2017.
2020 | Journal Article | LibreCat-ID: 23840
Photoluminescence Line‐Shape Analysis of Highly n‐Type Doped Zincblende GaN
E. Baron, R. Goldhahn, M. Deppe, D.J. As, M. Feneberg, Physica Status Solidi (B) (2020).
LibreCat
| DOI
E. Baron, R. Goldhahn, M. Deppe, D.J. As, M. Feneberg, Physica Status Solidi (B) (2020).
2020 | Journal Article | LibreCat-ID: 23841
Molecular Beam Epitaxy Growth and Characterization of Germanium‐Doped Cubic Al x Ga 1− x N
M. Deppe, T. Henksmeier, J.W. Gerlach, D. Reuter, D.J. As, Physica Status Solidi (B) (2020).
LibreCat
| DOI
M. Deppe, T. Henksmeier, J.W. Gerlach, D. Reuter, D.J. As, Physica Status Solidi (B) (2020).
2019 | Journal Article | LibreCat-ID: 23831
Influence of the free-electron concentration on the optical properties of zincblende GaN up to 1×1020cm−3
E. Baron, R. Goldhahn, M. Deppe, D.J. As, M. Feneberg, Physical Review Materials (2019).
LibreCat
| DOI
E. Baron, R. Goldhahn, M. Deppe, D.J. As, M. Feneberg, Physical Review Materials (2019).
2019 | Journal Article | LibreCat-ID: 8646
Germanium doping of cubic GaN grown by molecular beam epitaxy
M. Deppe, J.W. Gerlach, S. Shvarkov, D. Rogalla, H.-W. Becker, D. Reuter, D.J. As, Journal of Applied Physics (2019).
LibreCat
| DOI
M. Deppe, J.W. Gerlach, S. Shvarkov, D. Rogalla, H.-W. Becker, D. Reuter, D.J. As, Journal of Applied Physics (2019).
2019 | Journal Article | LibreCat-ID: 13965
Optical excitation density dependence of spin dynamics in bulk cubic GaN
J.H. Buß, T. Schupp, D.J. As, D. Hägele, J. Rudolph, Journal of Applied Physics (2019).
LibreCat
| DOI
J.H. Buß, T. Schupp, D.J. As, D. Hägele, J. Rudolph, Journal of Applied Physics (2019).
2019 | Journal Article | LibreCat-ID: 13966
Influence of the free-electron concentration on the optical properties of zincblende GaN up to 1×1020cm−3
E. Baron, R. Goldhahn, M. Deppe, D.J. As, M. Feneberg, Physical Review Materials (2019).
LibreCat
| DOI
E. Baron, R. Goldhahn, M. Deppe, D.J. As, M. Feneberg, Physical Review Materials (2019).
2019 | Journal Article | LibreCat-ID: 15444 |
Molecular Beam Epitaxy Growth and Characterization of Germanium‐Doped Cubic Al x Ga 1− x N
M. Deppe, T. Henksmeier, J.W. Gerlach, D. Reuter, D.J. As, Physica Status Solidi (b) (2019).
LibreCat
| DOI
| Download (ext.)
M. Deppe, T. Henksmeier, J.W. Gerlach, D. Reuter, D.J. As, Physica Status Solidi (b) (2019).
2018 | Journal Article | LibreCat-ID: 4809
Investigation on interface-related defects by photoluminescence of cubic (Al)GaN/AlN multi-quantum wells structures
L.K.S. Herval, M.P.F. de Godoy, T. Wecker, D.J. As, Journal of Luminescence 198 (2018) 309–313.
LibreCat
| DOI
L.K.S. Herval, M.P.F. de Godoy, T. Wecker, D.J. As, Journal of Luminescence 198 (2018) 309–313.
2018 | Journal Article | LibreCat-ID: 7022
Optical Properties of Cubic GaN Quantum Dots Grown by Molecular Beam Epitaxy
S. Blumenthal, D. Reuter, D.J. As, Physica Status Solidi (B) 255 (2018).
LibreCat
| DOI
S. Blumenthal, D. Reuter, D.J. As, Physica Status Solidi (B) 255 (2018).
2018 | Book Chapter | LibreCat-ID: 4350
Nonpolar Cubic III-nitrides: From the Basics of Growth to Device Applications
D.J. As, K. Lischka, in: Molecular Beam Epitaxy, Elsevier, 2018, pp. 95–114.
LibreCat
| DOI
D.J. As, K. Lischka, in: Molecular Beam Epitaxy, Elsevier, 2018, pp. 95–114.
2018 | Journal Article | LibreCat-ID: 20588
Stacked Self-Assembled Cubic GaN Quantum Dots Grown by Molecular Beam Epitaxy
S. Blumenthal, T. Rieger, D. Meertens, A. Pawlis, D. Reuter, D.J. As, Physica Status Solidi (b) 255 (2018) 1600729.
LibreCat
| DOI
S. Blumenthal, T. Rieger, D. Meertens, A. Pawlis, D. Reuter, D.J. As, Physica Status Solidi (b) 255 (2018) 1600729.
2017 | Journal Article | LibreCat-ID: 4808
Correlation of the Carrier Decay Time and Barrier Thickness for Asymmetric Cubic GaN/Al0.64Ga0.36N Double Quantum Wells
T. Wecker, G. Callsen, A. Hoffmann, D. Reuter, D.J. As, Physica Status Solidi (B) 255 (2017).
LibreCat
| DOI
T. Wecker, G. Callsen, A. Hoffmann, D. Reuter, D.J. As, Physica Status Solidi (B) 255 (2017).
2017 | Journal Article | LibreCat-ID: 4810
Linear and nonlinear behaviour of near-IR intersubband transitions of cubic GaN/AlN multi quantum well structures
T. Wecker, T. Jostmeier, T. Rieger, E. Neumann, A. Pawlis, M. Betz, D. Reuter, D.J. As, Journal of Crystal Growth 477 (2017) 149–153.
LibreCat
| DOI
T. Wecker, T. Jostmeier, T. Rieger, E. Neumann, A. Pawlis, M. Betz, D. Reuter, D.J. As, Journal of Crystal Growth 477 (2017) 149–153.
2017 | Journal Article | LibreCat-ID: 4811
Incorporation of germanium for n-type doping of cubic GaN
M. Deppe, J.W. Gerlach, D. Reuter, D.J. As, Physica Status Solidi (B) 254 (2017).
LibreCat
| DOI
M. Deppe, J.W. Gerlach, D. Reuter, D.J. As, Physica Status Solidi (B) 254 (2017).
2017 | Journal Article | LibreCat-ID: 4812
Picosecond Acoustics in Single Quantum Wells of Cubic GaN/(Al,Ga)N
T. Czerniuk, T. Ehrlich, T. Wecker, D.J. As, D.R. Yakovlev, A.V. Akimov, M. Bayer, Physical Review Applied 7 (2017).
LibreCat
| DOI
T. Czerniuk, T. Ehrlich, T. Wecker, D.J. As, D.R. Yakovlev, A.V. Akimov, M. Bayer, Physical Review Applied 7 (2017).
2017 | Journal Article | LibreCat-ID: 4813
Optical Properties of Germanium Doped Cubic GaN
D.J. As, M. Deppe, J. Gerlach, D. Reuter, MRS Advances 2 (2017) 283–288.
LibreCat
| DOI
D.J. As, M. Deppe, J. Gerlach, D. Reuter, MRS Advances 2 (2017) 283–288.
2016 | Journal Article | LibreCat-ID: 4814
Electron spin dynamics in cubic GaN
J.H. Buß, T. Schupp, D.J. As, O. Brandt, D. Hägele, J. Rudolph, Physical Review B 94 (2016).
LibreCat
| DOI
J.H. Buß, T. Schupp, D.J. As, O. Brandt, D. Hägele, J. Rudolph, Physical Review B 94 (2016).
2016 | Journal Article | LibreCat-ID: 4815
Magnetic and structural properties of Fe-implanted cubic GaN
V.A.N. Righetti, X. Gratens, V.A. Chitta, M.P.F. de Godoy, A.D. Rodrigues, E. Abramof, J.F. Dias, D. Schikora, D.J. As, K. Lischka, Journal of Applied Physics 120 (2016).
LibreCat
| DOI
V.A.N. Righetti, X. Gratens, V.A. Chitta, M.P.F. de Godoy, A.D. Rodrigues, E. Abramof, J.F. Dias, D. Schikora, D.J. As, K. Lischka, Journal of Applied Physics 120 (2016).
2016 | Journal Article | LibreCat-ID: 4817
Photoluminescence of gallium ion irradiated hexagonal and cubic GaN quantum dots
C. Rothfuchs, N. Kukharchyk, T. Koppe, F. Semond, S. Blumenthal, H.-W. Becker, D.J. As, H.C. Hofsäss, A.D. Wieck, A. Ludwig, Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms 383 (2016) 1–5.
LibreCat
| DOI
C. Rothfuchs, N. Kukharchyk, T. Koppe, F. Semond, S. Blumenthal, H.-W. Becker, D.J. As, H.C. Hofsäss, A.D. Wieck, A. Ludwig, Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms 383 (2016) 1–5.
2016 | Journal Article | LibreCat-ID: 7055
Photoluminescence excitation spectroscopy of excited states of an asymmetric cubic GaN/Al0.25Ga0.75N double quantum well grown by molecular beam epitaxy
T. Wecker, G. Callsen, A. Hoffmann, D. Reuter, D.J. As, Japanese Journal of Applied Physics 55 (2016).
LibreCat
| DOI
T. Wecker, G. Callsen, A. Hoffmann, D. Reuter, D.J. As, Japanese Journal of Applied Physics 55 (2016).
2016 | Journal Article | LibreCat-ID: 3888
Fabrication and characterization of two-dimensional cubic AlN photonic crystal membranes containing zincblende GaN quantum dots
S. Blumenthal, M. Bürger, A. Hildebrandt, J. Förstner, N. Weber, C. Meier, D. Reuter, D.J. As, Physica Status Solidi (c) 13 (2016) 292–296.
LibreCat
| Files available
| DOI
S. Blumenthal, M. Bürger, A. Hildebrandt, J. Förstner, N. Weber, C. Meier, D. Reuter, D.J. As, Physica Status Solidi (c) 13 (2016) 292–296.
2016 | Journal Article | LibreCat-ID: 4240
Joint Raman spectroscopy and HRXRD investigation of cubic gallium nitride layers grown on 3C-SiC
M. Rüsing, T. Wecker, G. Berth, D.J. As, A. Zrenner, Physica Status Solidi (b) 253 (2016) 778–782.
LibreCat
| DOI
M. Rüsing, T. Wecker, G. Berth, D.J. As, A. Zrenner, Physica Status Solidi (b) 253 (2016) 778–782.
2015 | Journal Article | LibreCat-ID: 4819
Active zinc-blende III–nitride photonic structures on silicon
S. Sergent, S. Kako, M. Bürger, S. Blumenthal, S. Iwamoto, D.J. As, Y. Arakawa, Applied Physics Express 9 (2015).
LibreCat
| DOI
S. Sergent, S. Kako, M. Bürger, S. Blumenthal, S. Iwamoto, D.J. As, Y. Arakawa, Applied Physics Express 9 (2015).
2015 | Journal Article | LibreCat-ID: 4820
Temperature dependence of the electron Landé g-factor in cubic GaN
J.H. Buß, T. Schupp, D.J. As, D. Hägele, J. Rudolph, Journal of Applied Physics 118 (2015).
LibreCat
| DOI
J.H. Buß, T. Schupp, D.J. As, D. Hägele, J. Rudolph, Journal of Applied Physics 118 (2015).
2015 | Journal Article | LibreCat-ID: 4825
Strain dependent electron spin dynamics in bulk cubic GaN
A. Schaefer, J.H. Buß, T. Schupp, A. Zado, D.J. As, D. Hägele, J. Rudolph, Journal of Applied Physics 117 (2015).
LibreCat
| DOI
A. Schaefer, J.H. Buß, T. Schupp, A. Zado, D.J. As, D. Hägele, J. Rudolph, Journal of Applied Physics 117 (2015).
2015 | Journal Article | LibreCat-ID: 7217
Ultrafast carrier dynamics and resonant inter-miniband nonlinearity of a cubic GaN/AlN superlattice
T. Jostmeier, T. Wecker, D. Reuter, D.J. As, M. Betz, Applied Physics Letters 107 (2015).
LibreCat
| DOI
T. Jostmeier, T. Wecker, D. Reuter, D.J. As, M. Betz, Applied Physics Letters 107 (2015).
2014 | Journal Article | LibreCat-ID: 4824
Structural and optical properties of MBE-grown asymmetric cubic GaN/AlxGa1-xN double quantum wells
T. Wecker, F. Hörich, M. Feneberg, R. Goldhahn, D. Reuter, D.J. As, Physica Status Solidi (B) 252 (2014) 873–878.
LibreCat
| DOI
T. Wecker, F. Hörich, M. Feneberg, R. Goldhahn, D. Reuter, D.J. As, Physica Status Solidi (B) 252 (2014) 873–878.
2014 | Journal Article | LibreCat-ID: 8762
Polarization properties of single zinc-blende GaN/AlN quantum dots
S. Sergent, S. Kako, M. Bürger, T. Schupp, D.J. As, Y. Arakawa, Physical Review B (2014).
LibreCat
| DOI
S. Sergent, S. Kako, M. Bürger, T. Schupp, D.J. As, Y. Arakawa, Physical Review B (2014).
2014 | Journal Article | LibreCat-ID: 4064
Hydrogen Effects in ECR-Etching of 3C-SiC(100) Mesa Structures
L. Hiller, T. Stauden, R.M. Kemper, J. Lindner, D.J. As, J. Pezoldt, Materials Science Forum 778–780 (2014) 730–733.
LibreCat
| Files available
| DOI
L. Hiller, T. Stauden, R.M. Kemper, J. Lindner, D.J. As, J. Pezoldt, Materials Science Forum 778–780 (2014) 730–733.
2013 | Journal Article | LibreCat-ID: 3963 |
Whispering gallery modes in zinc-blende AlN microdisks containing non-polar GaN quantum dots
M. Bürger, M. Ruth, S. Declair, J. Förstner, C. Meier, D.J. As, Applied Physics Letters 102 (2013) 081105.
LibreCat
| Files available
| DOI
M. Bürger, M. Ruth, S. Declair, J. Förstner, C. Meier, D.J. As, Applied Physics Letters 102 (2013) 081105.
2013 | Journal Article | LibreCat-ID: 13524
Transition energies and direct-indirect band gap crossing in zinc-blende AlxGa1−xN
M. Landmann, E. Rauls, W.G. Schmidt, M. Röppischer, C. Cobet, N. Esser, T. Schupp, D.J. As, M. Feneberg, R. Goldhahn, Physical Review B 87 (2013).
LibreCat
| DOI
M. Landmann, E. Rauls, W.G. Schmidt, M. Röppischer, C. Cobet, N. Esser, T. Schupp, D.J. As, M. Feneberg, R. Goldhahn, Physical Review B 87 (2013).
2012 | Journal Article | LibreCat-ID: 4333
Optical properties of cubic GaN from 1 to 20 eV
M. Feneberg, M. Röppischer, C. Cobet, N. Esser, J. Schörmann, T. Schupp, D.J. As, F. Hörich, J. Bläsing, A. Krost, R. Goldhahn, Physical Review B 85 (2012).
LibreCat
| DOI
M. Feneberg, M. Röppischer, C. Cobet, N. Esser, J. Schörmann, T. Schupp, D.J. As, F. Hörich, J. Bläsing, A. Krost, R. Goldhahn, Physical Review B 85 (2012).
2012 | Journal Article | LibreCat-ID: 4116
ECR-Ectching of Submicron and Nanometer Sized 3C-SiC(100) Mesa Structures
L. Hiller, T. Stauden, R.M. Kemper, J. Lindner, D.J. As, J. Pezoldt, Materials Science Forum 717–720 (2012) 901–904.
LibreCat
| Files available
| DOI
L. Hiller, T. Stauden, R.M. Kemper, J. Lindner, D.J. As, J. Pezoldt, Materials Science Forum 717–720 (2012) 901–904.
2011 | Journal Article | LibreCat-ID: 13568
Band offsets in cubic GaN/AlN superlattices
C. Mietze, M. Landmann, E. Rauls, H. Machhadani, S. Sakr, M. Tchernycheva, F.H. Julien, W.G. Schmidt, K. Lischka, D.J. As, Physical Review B 83 (2011).
LibreCat
| DOI
C. Mietze, M. Landmann, E. Rauls, H. Machhadani, S. Sakr, M. Tchernycheva, F.H. Julien, W.G. Schmidt, K. Lischka, D.J. As, Physical Review B 83 (2011).
2011 | Journal Article | LibreCat-ID: 4146
Anti-phase domains in cubic GaN
R. Maria Kemper, T. Schupp, M. Häberlen, T. Niendorf, H.-J. Maier, A. Dempewolf, F. Bertram, J. Christen, R. Kirste, A. Hoffmann, J. Lindner, D. As, Journal of Applied Physics 110 (2011).
LibreCat
| Files available
| DOI
R. Maria Kemper, T. Schupp, M. Häberlen, T. Niendorf, H.-J. Maier, A. Dempewolf, F. Bertram, J. Christen, R. Kirste, A. Hoffmann, J. Lindner, D. As, Journal of Applied Physics 110 (2011).
2010 | Journal Article | LibreCat-ID: 13835
Magnetic characterization of conductance electrons in GaN
A. Scholle, S. Greulich-Weber, D.J. As, C. Mietze, N.T. Son, C. Hemmingsson, B. Monemar, E. Janzén, U. Gerstmann, S. Sanna, E. Rauls, W.G. Schmidt, Physica Status Solidi (B) 247 (2010) 1728–1731.
LibreCat
| DOI
A. Scholle, S. Greulich-Weber, D.J. As, C. Mietze, N.T. Son, C. Hemmingsson, B. Monemar, E. Janzén, U. Gerstmann, S. Sanna, E. Rauls, W.G. Schmidt, Physica Status Solidi (B) 247 (2010) 1728–1731.
2009 | Conference Paper | LibreCat-ID: 4218
Schottky and Ohmic Contacts on Non-Polar Cubic GaN Epilayers
D.J. As, E. Tschumak, I. Laubenstein, R.M. Kemper, K. Lischka, in: Materials Research Society Symposium Proceedings, Materials Research Society, 2009, pp. 3–8.
LibreCat
| DOI
D.J. As, E. Tschumak, I. Laubenstein, R.M. Kemper, K. Lischka, in: Materials Research Society Symposium Proceedings, Materials Research Society, 2009, pp. 3–8.