Prof. Dr. Donat Josef As
Head - Professor
Second Head - Professor
Member - Professor
- d.as@uni-paderborn.de
- Phone:
- +49 5251 60-5838
- Web:
- Homepage
- Office Address:
-
Pohlweg 47-49
33098 Paderborn - Room:
- P8.2.10
Publications
Latest Publications
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).
Overcoming the Miscibility Gap of GaN/InN in MBE Growth of Cubic In<sub><i>x</i></sub>Ga<sub>1–<i>x</i></sub>N
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.
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).
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).
Optical evidence of many-body effects in the zincblende Al$_\mathrm{x}$Ga$_\mathrm{1-x}$N alloy system
Show all publications
E. Baron, M. Feneberg, R. Goldhahn, M. Deppe, F. Tacken, D.J. As, Journal of Physics D: Applied Physics (2021).
Teaching
Current Courses
- Project based Course
- Physikalisches Kolloquium
- Niedrigdimensionale Halbleitersysteme: Optische Eigenschaften
- Materials Chemistry and Analysis
- Lab Project
- Experimentalphysik für Wing ET
- Experimentalphysik für Elektrotechniker
- Current Topics in Materials Science
- Characterization Techniques of Solids
- Aktuelle Probleme der Halbleiterepitaxie