Donat Josef As

Center for Optoelectronics and Photonics (CeOPP)
Sonderforschungsbereich Transregio 142
d.as@uni-paderborn.de
ID
14

45 Publications

Mark all

[45]
2023 | Journal Article | LibreCat-ID: 46132
Littmann, Mario, Dirk Reuter, and Donat Josef As. “Remote Epitaxy of Cubic Gallium Nitride on Graphene‐Covered 3C‐SiC Substrates by Plasma‐Assisted Molecular Beam Epitaxy.” Physica Status Solidi (b) 260, no. 7 (2023). https://doi.org/10.1002/pssb.202300034.
LibreCat | DOI
 
[44]
2023 | Journal Article | LibreCat-ID: 46741
Zscherp, Mario Fabian, Silas Aurel Jentsch, Marius Johannes Müller, Vitalii Lider, Celina Becker, Limei Chen, Mario Littmann, et al. “Overcoming the Miscibility Gap of GaN/InN in MBE Growth of Cubic InxGa1–xN.” ACS Applied Materials & Interfaces 15, no. 33 (2023): 39513–22. https://doi.org/10.1021/acsami.3c06319.
LibreCat | DOI
 
[43]
2023 | Journal Article | LibreCat-ID: 46573
Baron, Elias, Rüdiger Goldhahn, Shirly Espinoza, Martin Zahradník, Mateusz Rebarz, Jakob Andreasson, Michael Deppe, Donat Josef As, and Martin Feneberg. “Time-Resolved Pump–Probe Spectroscopic Ellipsometry of Cubic GaN. I. Determination of the Dielectric Function.” Journal of Applied Physics 134, no. 7 (2023). https://doi.org/10.1063/5.0153091.
LibreCat | DOI
 
[42]
2022 | Journal Article | LibreCat-ID: 35232
Meier, Falco, Mario Littmann, Julius Bürger, Thomas Riedl, Daniel Kool, Jörg Lindner, Dirk Reuter, and Donat Josef As. “Selective Area Growth of Cubic Gallium Nitride in Nanoscopic Silicon Dioxide Masks.” Physica Status Solidi (b), 2022. https://doi.org/10.1002/pssb.202200508.
LibreCat | DOI
 
[41]
2021 | Journal Article | LibreCat-ID: 23842
Baron, Elias, Martin Feneberg, Rüdiger Goldhahn, Michael Deppe, Fabian Tacken, and Donat Josef As. “Optical Evidence of Many-Body Effects in the Zincblende Al$_\mathrm{x}$Ga$_\mathrm{1-X}$N Alloy System.” Journal of Physics D: Applied Physics, 2021. https://doi.org/10.1088/1361-6463/abb97a.
LibreCat | DOI
 
[40]
2021 | Journal Article | LibreCat-ID: 25227 | OA
Hajlaoui, Mahdi, Stefano Ponzoni, Michael Deppe, Tobias Henksmeier, Donat Josef As, Dirk Reuter, Thomas Zentgraf, et al. “Extremely Low-Energy ARPES of Quantum Well States in Cubic-GaN/AlN and GaAs/AlGaAs Heterostructures.” Scientific Reports 11 (2021). https://doi.org/10.1038/s41598-021-98569-6.
LibreCat | DOI | Download (ext.)
 
[39]
2021 | Journal Article | LibreCat-ID: 23843
Meier, F., M. Protte, E. Baron, M. Feneberg, R. Goldhahn, Dirk Reuter, and Donat Josef As. “Selective Area Growth of Cubic Gallium Nitride on Silicon (001) and 3C-Silicon Carbide (001).” AIP Advances, 2021. https://doi.org/10.1063/5.0053865.
LibreCat | DOI
 
[38]
2020 | Journal Article | LibreCat-ID: 23838
Beloufa, Abbes, Driss Bouguenna, Nawel Kermas, and Donat Josef As. “A Physics-Based Compact Static and Dynamic Characteristics Model for Al2O3/InxAl1−xN/AlN/GaN MOS-HEMTs.” Journal of Electronic Materials, 2020, 2008–17. https://doi.org/10.1007/s11664-019-07927-8.
LibreCat | DOI
 
[37]
2020 | Journal Article | LibreCat-ID: 23840
Baron, Elias, Rüdiger Goldhahn, Michael Deppe, Donat Josef As, and Martin Feneberg. “Photoluminescence Line‐Shape Analysis of Highly N‐Type Doped Zincblende GaN.” Physica Status Solidi (B), 2020. https://doi.org/10.1002/pssb.201900522.
LibreCat | DOI
 
[36]
2020 | Journal Article | LibreCat-ID: 23841
Deppe, Michael, Tobias Henksmeier, Jürgen W. Gerlach, Dirk Reuter, and Donat Josef As. “Molecular Beam Epitaxy Growth and Characterization of Germanium‐Doped Cubic Al                          x                        Ga            1−                          x                        N.” Physica Status Solidi (B), 2020. https://doi.org/10.1002/pssb.201900532.
LibreCat | DOI
 
[35]
2019 | Journal Article | LibreCat-ID: 23831
Baron, Elias, Rüdiger Goldhahn, Michael Deppe, Donat Josef As, and Martin Feneberg. “Influence of the Free-Electron Concentration on the Optical Properties of Zincblende GaN up to 1×1020cm−3.” Physical Review Materials, 2019. https://doi.org/10.1103/physrevmaterials.3.104603.
LibreCat | DOI
 
[34]
2019 | Journal Article | LibreCat-ID: 8646
Deppe, M., J. W. Gerlach, S. Shvarkov, D. Rogalla, H.-W. Becker, Dirk Reuter, and Donat Josef As. “Germanium Doping of Cubic GaN Grown by Molecular Beam Epitaxy.” Journal of Applied Physics, 2019. https://doi.org/10.1063/1.5066095.
LibreCat | DOI
 
[33]
2019 | Journal Article | LibreCat-ID: 13965
Buß, J. H., T. Schupp, Donat Josef As, D. Hägele, and J. Rudolph. “Optical Excitation Density Dependence of Spin Dynamics in Bulk Cubic GaN.” Journal of Applied Physics, 2019. https://doi.org/10.1063/1.5123914.
LibreCat | DOI
 
[32]
2019 | Journal Article | LibreCat-ID: 13966
Baron, Elias, Rüdiger Goldhahn, Michael Deppe, Donat Josef As, and Martin Feneberg. “Influence of the Free-Electron Concentration on the Optical Properties of Zincblende GaN up to 1×1020cm−3.” Physical Review Materials, 2019. https://doi.org/10.1103/physrevmaterials.3.104603.
LibreCat | DOI
 
[31]
2019 | Journal Article | LibreCat-ID: 15444 | OA
Deppe, Michael, Tobias Henksmeier, Jürgen W. Gerlach, Dirk Reuter, and Donat J. As. “Molecular Beam Epitaxy Growth and Characterization of Germanium‐Doped Cubic Al                          x                        Ga            1−                          x                        N.” Physica Status Solidi (b), 2019. https://doi.org/10.1002/pssb.201900532.
LibreCat | DOI | Download (ext.)
 
[30]
2018 | Journal Article | LibreCat-ID: 4809
Herval, Leonilson K.S., Marcio P.F. de Godoy, Tobias Wecker, and Donat Josef As. “Investigation on Interface-Related Defects by Photoluminescence of Cubic (Al)GaN/AlN Multi-Quantum Wells Structures.” Journal of Luminescence 198 (2018): 309–13. https://doi.org/10.1016/j.jlumin.2018.02.051.
LibreCat | DOI
 
[29]
2018 | Journal Article | LibreCat-ID: 7022
Blumenthal, Sarah, Dirk Reuter, and Donat Josef As. “Optical Properties of Cubic GaN Quantum Dots Grown by Molecular Beam Epitaxy.” Physica Status Solidi (B) 255, no. 5 (2018). https://doi.org/10.1002/pssb.201700457.
LibreCat | DOI
 
[28]
2018 | Book Chapter | LibreCat-ID: 4350
As, Donat Josef, and Klaus Lischka. “Nonpolar Cubic III-Nitrides: From the Basics of Growth to Device Applications.” In Molecular Beam Epitaxy, 95–114. Elsevier, 2018. https://doi.org/10.1016/b978-0-12-812136-8.00006-2.
LibreCat | DOI
 
[27]
2018 | Journal Article | LibreCat-ID: 20588
Blumenthal, Sarah, Torsten Rieger, Doris Meertens, Alexander Pawlis, Dirk Reuter, and Donat Josef As. “Stacked Self-Assembled Cubic GaN Quantum Dots Grown by Molecular Beam Epitaxy.” Physica Status Solidi (b) 255, no. 3 (2018): 1600729. https://doi.org/10.1002/pssb.201600729.
LibreCat | DOI
 
[26]
2017 | Journal Article | LibreCat-ID: 4808
Wecker, Tobias, Gordon Callsen, Axel Hoffmann, Dirk Reuter, and Donat Josef As. “Correlation of the Carrier Decay Time and Barrier Thickness for Asymmetric Cubic GaN/Al0.64Ga0.36N Double Quantum Wells.” Physica Status Solidi (B) 255, no. 5 (2017). https://doi.org/10.1002/pssb.201700373.
LibreCat | DOI
 
[25]
2017 | Journal Article | LibreCat-ID: 4810
Wecker, T., T. Jostmeier, T. Rieger, E. Neumann, A. Pawlis, M. Betz, Dirk Reuter, and Donat Josef As. “Linear and Nonlinear Behaviour of Near-IR Intersubband Transitions of Cubic GaN/AlN Multi Quantum Well Structures.” Journal of Crystal Growth 477 (2017): 149–53. https://doi.org/10.1016/j.jcrysgro.2017.01.022.
LibreCat | DOI
 
[24]
2017 | Journal Article | LibreCat-ID: 4811
Deppe, Michael, Jürgen W. Gerlach, Dirk Reuter, and Donat Josef As. “Incorporation of Germanium for N-Type Doping of Cubic GaN.” Physica Status Solidi (B) 254, no. 8 (2017). https://doi.org/10.1002/pssb.201600700.
LibreCat | DOI
 
[23]
2017 | Journal Article | LibreCat-ID: 4812
Czerniuk, T., T. Ehrlich, T. Wecker, Donat Josef As, D. R. Yakovlev, A. V. Akimov, and M. Bayer. “Picosecond Acoustics in Single Quantum Wells of Cubic GaN/(Al,Ga)N.” Physical Review Applied 7, no. 1 (2017). https://doi.org/10.1103/physrevapplied.7.014006.
LibreCat | DOI
 
[22]
2017 | Journal Article | LibreCat-ID: 4813
As, Donat Josef, Michael Deppe, Jürgen Gerlach, and Dirk Reuter. “Optical Properties of Germanium Doped Cubic GaN.” MRS Advances 2, no. 05 (2017): 283–88. https://doi.org/10.1557/adv.2016.637.
LibreCat | DOI
 
[21]
2016 | Journal Article | LibreCat-ID: 4814
Buß, J. H., T. Schupp, Donat Josef As, O. Brandt, D. Hägele, and J. Rudolph. “Electron Spin Dynamics in Cubic GaN.” Physical Review B 94, no. 23 (2016). https://doi.org/10.1103/physrevb.94.235202.
LibreCat | DOI
 
[20]
2016 | Journal Article | LibreCat-ID: 4815
Righetti, V. A. N., X. Gratens, V. A. Chitta, M. P. F. de Godoy, A. D. Rodrigues, E. Abramof, J. F. Dias, D. Schikora, Donat Josef As, and K. Lischka. “Magnetic and Structural Properties of Fe-Implanted Cubic GaN.” Journal of Applied Physics 120, no. 10 (2016). https://doi.org/10.1063/1.4962275.
LibreCat | DOI
 
[19]
2016 | Journal Article | LibreCat-ID: 4817
Rothfuchs, Charlotte, Nadezhda Kukharchyk, Tristan Koppe, Fabrice Semond, Sarah Blumenthal, Hans-Werner Becker, Donat Josef As, Hans C. Hofsäss, Andreas D. Wieck, and Arne Ludwig. “Photoluminescence of Gallium Ion Irradiated Hexagonal and Cubic GaN Quantum Dots.” Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms 383 (2016): 1–5. https://doi.org/10.1016/j.nimb.2016.06.004.
LibreCat | DOI
 
[18]
2016 | Journal Article | LibreCat-ID: 7055
Wecker, Tobias, Gordon Callsen, Axel Hoffmann, Dirk Reuter, and Donat Josef As. “Photoluminescence Excitation Spectroscopy of Excited States of an Asymmetric Cubic GaN/Al0.25Ga0.75N Double Quantum Well Grown by Molecular Beam Epitaxy.” Japanese Journal of Applied Physics 55, no. 5S (2016). https://doi.org/10.7567/jjap.55.05fg01.
LibreCat | DOI
 
[17]
2016 | Journal Article | LibreCat-ID: 3888
Blumenthal, Sarah, Matthias Bürger, Andre Hildebrandt, Jens Förstner, Nils Weber, Cedrik Meier, Dirk Reuter, and Donat J. As. “Fabrication and Characterization of Two-Dimensional Cubic AlN Photonic Crystal Membranes Containing Zincblende GaN Quantum Dots.” Physica Status Solidi (c) 13, no. 5–6 (2016): 292–96. https://doi.org/10.1002/pssc.201600010.
LibreCat | Files available | DOI
 
[16]
2016 | Journal Article | LibreCat-ID: 4240
Rüsing, Michael, T. Wecker, Gerhard Berth, Donat Josef As, and Artur Zrenner. “Joint Raman Spectroscopy and HRXRD Investigation of Cubic Gallium Nitride Layers Grown on 3C-SiC.” Physica Status Solidi (b) 253, no. 4 (2016): 778–82. https://doi.org/10.1002/pssb.201552592.
LibreCat | DOI
 
[15]
2015 | Journal Article | LibreCat-ID: 4819
Sergent, Sylvain, Satoshi Kako, Matthias Bürger, Sarah Blumenthal, Satoshi Iwamoto, Donat Josef As, and Yasuhiko Arakawa. “Active Zinc-Blende III–Nitride Photonic Structures on Silicon.” Applied Physics Express 9, no. 1 (2015). https://doi.org/10.7567/apex.9.012002.
LibreCat | DOI
 
[14]
2015 | Journal Article | LibreCat-ID: 4820
Buß, J. H., T. Schupp, Donat Josef As, D. Hägele, and J. Rudolph. “Temperature Dependence of the Electron Landé G-Factor in Cubic GaN.” Journal of Applied Physics 118, no. 22 (2015). https://doi.org/10.1063/1.4937128.
LibreCat | DOI
 
[13]
2015 | Journal Article | LibreCat-ID: 4825
Schaefer, A., J. H. Buß, T. Schupp, A. Zado, Donat Josef As, D. Hägele, and J. Rudolph. “Strain Dependent Electron Spin Dynamics in Bulk Cubic GaN.” Journal of Applied Physics 117, no. 9 (2015). https://doi.org/10.1063/1.4914069.
LibreCat | DOI
 
[12]
2015 | Journal Article | LibreCat-ID: 7217
Jostmeier, Thorben, Tobias Wecker, Dirk Reuter, Donat Josef As, and Markus Betz. “Ultrafast Carrier Dynamics and Resonant Inter-Miniband Nonlinearity of a Cubic GaN/AlN Superlattice.” Applied Physics Letters 107, no. 21 (2015). https://doi.org/10.1063/1.4936330.
LibreCat | DOI
 
[11]
2014 | Journal Article | LibreCat-ID: 4824
Wecker, T., F. Hörich, M. Feneberg, R. Goldhahn, Dirk Reuter, and Donat Josef As. “Structural and Optical Properties of MBE-Grown Asymmetric Cubic GaN/AlxGa1-XN Double Quantum Wells.” Physica Status Solidi (B) 252, no. 5 (2014): 873–78. https://doi.org/10.1002/pssb.201451531.
LibreCat | DOI
 
[10]
2014 | Journal Article | LibreCat-ID: 8762
Sergent, S., S. Kako, M. Bürger, T. Schupp, Donat Josef As, and Y. Arakawa. “Polarization Properties of Single Zinc-Blende GaN/AlN Quantum Dots.” Physical Review B, 2014. https://doi.org/10.1103/physrevb.90.235312.
LibreCat | DOI
 
[9]
2014 | Journal Article | LibreCat-ID: 4064
Hiller, Lars, Thomas Stauden, Ricarda M. Kemper, Jörg Lindner, Donat J. As, and Jörg Pezoldt. “Hydrogen Effects in ECR-Etching of 3C-SiC(100) Mesa Structures.” Materials Science Forum 778–780 (2014): 730–33. https://doi.org/10.4028/www.scientific.net/msf.778-780.730.
LibreCat | Files available | DOI
 
[8]
2013 | Journal Article | LibreCat-ID: 3963 | OA
Bürger, M., M. Ruth, S. Declair, Jens Förstner, Cedrik Meier, and Donat Josef As. “Whispering Gallery Modes in Zinc-Blende AlN Microdisks Containing Non-Polar GaN Quantum Dots.” Applied Physics Letters 102, no. 8 (2013): 081105. https://doi.org/10.1063/1.4793653.
LibreCat | Files available | DOI
 
[7]
2013 | Journal Article | LibreCat-ID: 13524
Landmann, M., E. Rauls, Wolf Gero Schmidt, Marcus Röppischer, Christoph Cobet, Norbert Esser, Thorsten Schupp, Donat J. As, Martin Feneberg, and Rüdiger Goldhahn. “Transition Energies and Direct-Indirect Band Gap Crossing in Zinc-Blende AlxGa1−xN.” Physical Review B 87, no. 19 (2013). https://doi.org/10.1103/physrevb.87.195210.
LibreCat | DOI
 
[6]
2012 | Journal Article | LibreCat-ID: 4333
Feneberg, Martin, Marcus Röppischer, Christoph Cobet, Norbert Esser, Jörg Schörmann, Thorsten Schupp, Donat Josef As, et al. “Optical Properties of Cubic GaN from 1 to 20 EV.” Physical Review B 85, no. 15 (2012). https://doi.org/10.1103/physrevb.85.155207.
LibreCat | DOI
 
[5]
2012 | Journal Article | LibreCat-ID: 4116
Hiller, Lars, Thomas Stauden, Ricarda M. Kemper, Jörg Lindner, Donat J. As, and Jörg Pezoldt. “ECR-Ectching of Submicron and Nanometer Sized 3C-SiC(100) Mesa Structures.” Materials Science Forum 717–720 (2012): 901–4. https://doi.org/10.4028/www.scientific.net/msf.717-720.901.
LibreCat | Files available | DOI
 
[4]
2011 | Journal Article | LibreCat-ID: 13568
Mietze, C., M. Landmann, E. Rauls, H. Machhadani, S. Sakr, M. Tchernycheva, F. H. Julien, Wolf Gero Schmidt, K. Lischka, and Donat Josef As. “Band Offsets in Cubic GaN/AlN Superlattices.” Physical Review B 83, no. 19 (2011). https://doi.org/10.1103/physrevb.83.195301.
LibreCat | DOI
 
[3]
2011 | Journal Article | LibreCat-ID: 4146
Maria Kemper, Ricarda, Thorsten Schupp, Maik Häberlen, Thomas Niendorf, Hans-Jürgen Maier, Anja Dempewolf, Frank Bertram, et al. “Anti-Phase Domains in Cubic GaN.” Journal of Applied Physics 110, no. 12 (2011). https://doi.org/10.1063/1.3666050.
LibreCat | Files available | DOI
 
[2]
2010 | Journal Article | LibreCat-ID: 13835
Scholle, A., S. Greulich-Weber, Donat Josef As, Ch. Mietze, N. T. Son, C. Hemmingsson, B. Monemar, et al. “Magnetic Characterization of Conductance Electrons in GaN.” Physica Status Solidi (B) 247, no. 7 (2010): 1728–31. https://doi.org/10.1002/pssb.200983582.
LibreCat | DOI
 
[1]
2009 | Conference Paper | LibreCat-ID: 4218
As, Donat J., Elena Tschumak, Irina Laubenstein, Ricarda M. Kemper, and Klaus Lischka. “Schottky and Ohmic Contacts on Non-Polar Cubic GaN Epilayers.” In Materials Research Society Symposium Proceedings, 1108:3–8. Materials Research Society, 2009. https://doi.org/10.1557/proc-1108-a01-02.
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45 Publications

Mark all

[45]
2023 | Journal Article | LibreCat-ID: 46132
Littmann, Mario, Dirk Reuter, and Donat Josef As. “Remote Epitaxy of Cubic Gallium Nitride on Graphene‐Covered 3C‐SiC Substrates by Plasma‐Assisted Molecular Beam Epitaxy.” Physica Status Solidi (b) 260, no. 7 (2023). https://doi.org/10.1002/pssb.202300034.
LibreCat | DOI
 
[44]
2023 | Journal Article | LibreCat-ID: 46741
Zscherp, Mario Fabian, Silas Aurel Jentsch, Marius Johannes Müller, Vitalii Lider, Celina Becker, Limei Chen, Mario Littmann, et al. “Overcoming the Miscibility Gap of GaN/InN in MBE Growth of Cubic InxGa1–xN.” ACS Applied Materials & Interfaces 15, no. 33 (2023): 39513–22. https://doi.org/10.1021/acsami.3c06319.
LibreCat | DOI
 
[43]
2023 | Journal Article | LibreCat-ID: 46573
Baron, Elias, Rüdiger Goldhahn, Shirly Espinoza, Martin Zahradník, Mateusz Rebarz, Jakob Andreasson, Michael Deppe, Donat Josef As, and Martin Feneberg. “Time-Resolved Pump–Probe Spectroscopic Ellipsometry of Cubic GaN. I. Determination of the Dielectric Function.” Journal of Applied Physics 134, no. 7 (2023). https://doi.org/10.1063/5.0153091.
LibreCat | DOI
 
[42]
2022 | Journal Article | LibreCat-ID: 35232
Meier, Falco, Mario Littmann, Julius Bürger, Thomas Riedl, Daniel Kool, Jörg Lindner, Dirk Reuter, and Donat Josef As. “Selective Area Growth of Cubic Gallium Nitride in Nanoscopic Silicon Dioxide Masks.” Physica Status Solidi (b), 2022. https://doi.org/10.1002/pssb.202200508.
LibreCat | DOI
 
[41]
2021 | Journal Article | LibreCat-ID: 23842
Baron, Elias, Martin Feneberg, Rüdiger Goldhahn, Michael Deppe, Fabian Tacken, and Donat Josef As. “Optical Evidence of Many-Body Effects in the Zincblende Al$_\mathrm{x}$Ga$_\mathrm{1-X}$N Alloy System.” Journal of Physics D: Applied Physics, 2021. https://doi.org/10.1088/1361-6463/abb97a.
LibreCat | DOI
 
[40]
2021 | Journal Article | LibreCat-ID: 25227 | OA
Hajlaoui, Mahdi, Stefano Ponzoni, Michael Deppe, Tobias Henksmeier, Donat Josef As, Dirk Reuter, Thomas Zentgraf, et al. “Extremely Low-Energy ARPES of Quantum Well States in Cubic-GaN/AlN and GaAs/AlGaAs Heterostructures.” Scientific Reports 11 (2021). https://doi.org/10.1038/s41598-021-98569-6.
LibreCat | DOI | Download (ext.)
 
[39]
2021 | Journal Article | LibreCat-ID: 23843
Meier, F., M. Protte, E. Baron, M. Feneberg, R. Goldhahn, Dirk Reuter, and Donat Josef As. “Selective Area Growth of Cubic Gallium Nitride on Silicon (001) and 3C-Silicon Carbide (001).” AIP Advances, 2021. https://doi.org/10.1063/5.0053865.
LibreCat | DOI
 
[38]
2020 | Journal Article | LibreCat-ID: 23838
Beloufa, Abbes, Driss Bouguenna, Nawel Kermas, and Donat Josef As. “A Physics-Based Compact Static and Dynamic Characteristics Model for Al2O3/InxAl1−xN/AlN/GaN MOS-HEMTs.” Journal of Electronic Materials, 2020, 2008–17. https://doi.org/10.1007/s11664-019-07927-8.
LibreCat | DOI
 
[37]
2020 | Journal Article | LibreCat-ID: 23840
Baron, Elias, Rüdiger Goldhahn, Michael Deppe, Donat Josef As, and Martin Feneberg. “Photoluminescence Line‐Shape Analysis of Highly N‐Type Doped Zincblende GaN.” Physica Status Solidi (B), 2020. https://doi.org/10.1002/pssb.201900522.
LibreCat | DOI
 
[36]
2020 | Journal Article | LibreCat-ID: 23841
Deppe, Michael, Tobias Henksmeier, Jürgen W. Gerlach, Dirk Reuter, and Donat Josef As. “Molecular Beam Epitaxy Growth and Characterization of Germanium‐Doped Cubic Al                          x                        Ga            1−                          x                        N.” Physica Status Solidi (B), 2020. https://doi.org/10.1002/pssb.201900532.
LibreCat | DOI
 
[35]
2019 | Journal Article | LibreCat-ID: 23831
Baron, Elias, Rüdiger Goldhahn, Michael Deppe, Donat Josef As, and Martin Feneberg. “Influence of the Free-Electron Concentration on the Optical Properties of Zincblende GaN up to 1×1020cm−3.” Physical Review Materials, 2019. https://doi.org/10.1103/physrevmaterials.3.104603.
LibreCat | DOI
 
[34]
2019 | Journal Article | LibreCat-ID: 8646
Deppe, M., J. W. Gerlach, S. Shvarkov, D. Rogalla, H.-W. Becker, Dirk Reuter, and Donat Josef As. “Germanium Doping of Cubic GaN Grown by Molecular Beam Epitaxy.” Journal of Applied Physics, 2019. https://doi.org/10.1063/1.5066095.
LibreCat | DOI
 
[33]
2019 | Journal Article | LibreCat-ID: 13965
Buß, J. H., T. Schupp, Donat Josef As, D. Hägele, and J. Rudolph. “Optical Excitation Density Dependence of Spin Dynamics in Bulk Cubic GaN.” Journal of Applied Physics, 2019. https://doi.org/10.1063/1.5123914.
LibreCat | DOI
 
[32]
2019 | Journal Article | LibreCat-ID: 13966
Baron, Elias, Rüdiger Goldhahn, Michael Deppe, Donat Josef As, and Martin Feneberg. “Influence of the Free-Electron Concentration on the Optical Properties of Zincblende GaN up to 1×1020cm−3.” Physical Review Materials, 2019. https://doi.org/10.1103/physrevmaterials.3.104603.
LibreCat | DOI
 
[31]
2019 | Journal Article | LibreCat-ID: 15444 | OA
Deppe, Michael, Tobias Henksmeier, Jürgen W. Gerlach, Dirk Reuter, and Donat J. As. “Molecular Beam Epitaxy Growth and Characterization of Germanium‐Doped Cubic Al                          x                        Ga            1−                          x                        N.” Physica Status Solidi (b), 2019. https://doi.org/10.1002/pssb.201900532.
LibreCat | DOI | Download (ext.)
 
[30]
2018 | Journal Article | LibreCat-ID: 4809
Herval, Leonilson K.S., Marcio P.F. de Godoy, Tobias Wecker, and Donat Josef As. “Investigation on Interface-Related Defects by Photoluminescence of Cubic (Al)GaN/AlN Multi-Quantum Wells Structures.” Journal of Luminescence 198 (2018): 309–13. https://doi.org/10.1016/j.jlumin.2018.02.051.
LibreCat | DOI
 
[29]
2018 | Journal Article | LibreCat-ID: 7022
Blumenthal, Sarah, Dirk Reuter, and Donat Josef As. “Optical Properties of Cubic GaN Quantum Dots Grown by Molecular Beam Epitaxy.” Physica Status Solidi (B) 255, no. 5 (2018). https://doi.org/10.1002/pssb.201700457.
LibreCat | DOI
 
[28]
2018 | Book Chapter | LibreCat-ID: 4350
As, Donat Josef, and Klaus Lischka. “Nonpolar Cubic III-Nitrides: From the Basics of Growth to Device Applications.” In Molecular Beam Epitaxy, 95–114. Elsevier, 2018. https://doi.org/10.1016/b978-0-12-812136-8.00006-2.
LibreCat | DOI
 
[27]
2018 | Journal Article | LibreCat-ID: 20588
Blumenthal, Sarah, Torsten Rieger, Doris Meertens, Alexander Pawlis, Dirk Reuter, and Donat Josef As. “Stacked Self-Assembled Cubic GaN Quantum Dots Grown by Molecular Beam Epitaxy.” Physica Status Solidi (b) 255, no. 3 (2018): 1600729. https://doi.org/10.1002/pssb.201600729.
LibreCat | DOI
 
[26]
2017 | Journal Article | LibreCat-ID: 4808
Wecker, Tobias, Gordon Callsen, Axel Hoffmann, Dirk Reuter, and Donat Josef As. “Correlation of the Carrier Decay Time and Barrier Thickness for Asymmetric Cubic GaN/Al0.64Ga0.36N Double Quantum Wells.” Physica Status Solidi (B) 255, no. 5 (2017). https://doi.org/10.1002/pssb.201700373.
LibreCat | DOI
 
[25]
2017 | Journal Article | LibreCat-ID: 4810
Wecker, T., T. Jostmeier, T. Rieger, E. Neumann, A. Pawlis, M. Betz, Dirk Reuter, and Donat Josef As. “Linear and Nonlinear Behaviour of Near-IR Intersubband Transitions of Cubic GaN/AlN Multi Quantum Well Structures.” Journal of Crystal Growth 477 (2017): 149–53. https://doi.org/10.1016/j.jcrysgro.2017.01.022.
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[24]
2017 | Journal Article | LibreCat-ID: 4811
Deppe, Michael, Jürgen W. Gerlach, Dirk Reuter, and Donat Josef As. “Incorporation of Germanium for N-Type Doping of Cubic GaN.” Physica Status Solidi (B) 254, no. 8 (2017). https://doi.org/10.1002/pssb.201600700.
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[23]
2017 | Journal Article | LibreCat-ID: 4812
Czerniuk, T., T. Ehrlich, T. Wecker, Donat Josef As, D. R. Yakovlev, A. V. Akimov, and M. Bayer. “Picosecond Acoustics in Single Quantum Wells of Cubic GaN/(Al,Ga)N.” Physical Review Applied 7, no. 1 (2017). https://doi.org/10.1103/physrevapplied.7.014006.
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[22]
2017 | Journal Article | LibreCat-ID: 4813
As, Donat Josef, Michael Deppe, Jürgen Gerlach, and Dirk Reuter. “Optical Properties of Germanium Doped Cubic GaN.” MRS Advances 2, no. 05 (2017): 283–88. https://doi.org/10.1557/adv.2016.637.
LibreCat | DOI
 
[21]
2016 | Journal Article | LibreCat-ID: 4814
Buß, J. H., T. Schupp, Donat Josef As, O. Brandt, D. Hägele, and J. Rudolph. “Electron Spin Dynamics in Cubic GaN.” Physical Review B 94, no. 23 (2016). https://doi.org/10.1103/physrevb.94.235202.
LibreCat | DOI
 
[20]
2016 | Journal Article | LibreCat-ID: 4815
Righetti, V. A. N., X. Gratens, V. A. Chitta, M. P. F. de Godoy, A. D. Rodrigues, E. Abramof, J. F. Dias, D. Schikora, Donat Josef As, and K. Lischka. “Magnetic and Structural Properties of Fe-Implanted Cubic GaN.” Journal of Applied Physics 120, no. 10 (2016). https://doi.org/10.1063/1.4962275.
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[19]
2016 | Journal Article | LibreCat-ID: 4817
Rothfuchs, Charlotte, Nadezhda Kukharchyk, Tristan Koppe, Fabrice Semond, Sarah Blumenthal, Hans-Werner Becker, Donat Josef As, Hans C. Hofsäss, Andreas D. Wieck, and Arne Ludwig. “Photoluminescence of Gallium Ion Irradiated Hexagonal and Cubic GaN Quantum Dots.” Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms 383 (2016): 1–5. https://doi.org/10.1016/j.nimb.2016.06.004.
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[18]
2016 | Journal Article | LibreCat-ID: 7055
Wecker, Tobias, Gordon Callsen, Axel Hoffmann, Dirk Reuter, and Donat Josef As. “Photoluminescence Excitation Spectroscopy of Excited States of an Asymmetric Cubic GaN/Al0.25Ga0.75N Double Quantum Well Grown by Molecular Beam Epitaxy.” Japanese Journal of Applied Physics 55, no. 5S (2016). https://doi.org/10.7567/jjap.55.05fg01.
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[17]
2016 | Journal Article | LibreCat-ID: 3888
Blumenthal, Sarah, Matthias Bürger, Andre Hildebrandt, Jens Förstner, Nils Weber, Cedrik Meier, Dirk Reuter, and Donat J. As. “Fabrication and Characterization of Two-Dimensional Cubic AlN Photonic Crystal Membranes Containing Zincblende GaN Quantum Dots.” Physica Status Solidi (c) 13, no. 5–6 (2016): 292–96. https://doi.org/10.1002/pssc.201600010.
LibreCat | Files available | DOI
 
[16]
2016 | Journal Article | LibreCat-ID: 4240
Rüsing, Michael, T. Wecker, Gerhard Berth, Donat Josef As, and Artur Zrenner. “Joint Raman Spectroscopy and HRXRD Investigation of Cubic Gallium Nitride Layers Grown on 3C-SiC.” Physica Status Solidi (b) 253, no. 4 (2016): 778–82. https://doi.org/10.1002/pssb.201552592.
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[15]
2015 | Journal Article | LibreCat-ID: 4819
Sergent, Sylvain, Satoshi Kako, Matthias Bürger, Sarah Blumenthal, Satoshi Iwamoto, Donat Josef As, and Yasuhiko Arakawa. “Active Zinc-Blende III–Nitride Photonic Structures on Silicon.” Applied Physics Express 9, no. 1 (2015). https://doi.org/10.7567/apex.9.012002.
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[14]
2015 | Journal Article | LibreCat-ID: 4820
Buß, J. H., T. Schupp, Donat Josef As, D. Hägele, and J. Rudolph. “Temperature Dependence of the Electron Landé G-Factor in Cubic GaN.” Journal of Applied Physics 118, no. 22 (2015). https://doi.org/10.1063/1.4937128.
LibreCat | DOI
 
[13]
2015 | Journal Article | LibreCat-ID: 4825
Schaefer, A., J. H. Buß, T. Schupp, A. Zado, Donat Josef As, D. Hägele, and J. Rudolph. “Strain Dependent Electron Spin Dynamics in Bulk Cubic GaN.” Journal of Applied Physics 117, no. 9 (2015). https://doi.org/10.1063/1.4914069.
LibreCat | DOI
 
[12]
2015 | Journal Article | LibreCat-ID: 7217
Jostmeier, Thorben, Tobias Wecker, Dirk Reuter, Donat Josef As, and Markus Betz. “Ultrafast Carrier Dynamics and Resonant Inter-Miniband Nonlinearity of a Cubic GaN/AlN Superlattice.” Applied Physics Letters 107, no. 21 (2015). https://doi.org/10.1063/1.4936330.
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[11]
2014 | Journal Article | LibreCat-ID: 4824
Wecker, T., F. Hörich, M. Feneberg, R. Goldhahn, Dirk Reuter, and Donat Josef As. “Structural and Optical Properties of MBE-Grown Asymmetric Cubic GaN/AlxGa1-XN Double Quantum Wells.” Physica Status Solidi (B) 252, no. 5 (2014): 873–78. https://doi.org/10.1002/pssb.201451531.
LibreCat | DOI
 
[10]
2014 | Journal Article | LibreCat-ID: 8762
Sergent, S., S. Kako, M. Bürger, T. Schupp, Donat Josef As, and Y. Arakawa. “Polarization Properties of Single Zinc-Blende GaN/AlN Quantum Dots.” Physical Review B, 2014. https://doi.org/10.1103/physrevb.90.235312.
LibreCat | DOI
 
[9]
2014 | Journal Article | LibreCat-ID: 4064
Hiller, Lars, Thomas Stauden, Ricarda M. Kemper, Jörg Lindner, Donat J. As, and Jörg Pezoldt. “Hydrogen Effects in ECR-Etching of 3C-SiC(100) Mesa Structures.” Materials Science Forum 778–780 (2014): 730–33. https://doi.org/10.4028/www.scientific.net/msf.778-780.730.
LibreCat | Files available | DOI
 
[8]
2013 | Journal Article | LibreCat-ID: 3963 | OA
Bürger, M., M. Ruth, S. Declair, Jens Förstner, Cedrik Meier, and Donat Josef As. “Whispering Gallery Modes in Zinc-Blende AlN Microdisks Containing Non-Polar GaN Quantum Dots.” Applied Physics Letters 102, no. 8 (2013): 081105. https://doi.org/10.1063/1.4793653.
LibreCat | Files available | DOI
 
[7]
2013 | Journal Article | LibreCat-ID: 13524
Landmann, M., E. Rauls, Wolf Gero Schmidt, Marcus Röppischer, Christoph Cobet, Norbert Esser, Thorsten Schupp, Donat J. As, Martin Feneberg, and Rüdiger Goldhahn. “Transition Energies and Direct-Indirect Band Gap Crossing in Zinc-Blende AlxGa1−xN.” Physical Review B 87, no. 19 (2013). https://doi.org/10.1103/physrevb.87.195210.
LibreCat | DOI
 
[6]
2012 | Journal Article | LibreCat-ID: 4333
Feneberg, Martin, Marcus Röppischer, Christoph Cobet, Norbert Esser, Jörg Schörmann, Thorsten Schupp, Donat Josef As, et al. “Optical Properties of Cubic GaN from 1 to 20 EV.” Physical Review B 85, no. 15 (2012). https://doi.org/10.1103/physrevb.85.155207.
LibreCat | DOI
 
[5]
2012 | Journal Article | LibreCat-ID: 4116
Hiller, Lars, Thomas Stauden, Ricarda M. Kemper, Jörg Lindner, Donat J. As, and Jörg Pezoldt. “ECR-Ectching of Submicron and Nanometer Sized 3C-SiC(100) Mesa Structures.” Materials Science Forum 717–720 (2012): 901–4. https://doi.org/10.4028/www.scientific.net/msf.717-720.901.
LibreCat | Files available | DOI
 
[4]
2011 | Journal Article | LibreCat-ID: 13568
Mietze, C., M. Landmann, E. Rauls, H. Machhadani, S. Sakr, M. Tchernycheva, F. H. Julien, Wolf Gero Schmidt, K. Lischka, and Donat Josef As. “Band Offsets in Cubic GaN/AlN Superlattices.” Physical Review B 83, no. 19 (2011). https://doi.org/10.1103/physrevb.83.195301.
LibreCat | DOI
 
[3]
2011 | Journal Article | LibreCat-ID: 4146
Maria Kemper, Ricarda, Thorsten Schupp, Maik Häberlen, Thomas Niendorf, Hans-Jürgen Maier, Anja Dempewolf, Frank Bertram, et al. “Anti-Phase Domains in Cubic GaN.” Journal of Applied Physics 110, no. 12 (2011). https://doi.org/10.1063/1.3666050.
LibreCat | Files available | DOI
 
[2]
2010 | Journal Article | LibreCat-ID: 13835
Scholle, A., S. Greulich-Weber, Donat Josef As, Ch. Mietze, N. T. Son, C. Hemmingsson, B. Monemar, et al. “Magnetic Characterization of Conductance Electrons in GaN.” Physica Status Solidi (B) 247, no. 7 (2010): 1728–31. https://doi.org/10.1002/pssb.200983582.
LibreCat | DOI
 
[1]
2009 | Conference Paper | LibreCat-ID: 4218
As, Donat J., Elena Tschumak, Irina Laubenstein, Ricarda M. Kemper, and Klaus Lischka. “Schottky and Ohmic Contacts on Non-Polar Cubic GaN Epilayers.” In Materials Research Society Symposium Proceedings, 1108:3–8. Materials Research Society, 2009. https://doi.org/10.1557/proc-1108-a01-02.
LibreCat | DOI
 
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