Alexis Papamichail

Publications

2025

Minho Kim, Alexis Papamichail, Dat Tran, Plamen Paskov, Vanya Darakchieva (2025) Thin-channel AlGaN/GaN/AlN double heterostructure HEMTs on AlN substrates via hot-wall MOCVD Applied Physics Letters, Vol. 127, Article 032104 (Article in journal) Continue to DOI

Mohamed Aniss Mebarki, Ragnar Ferrand-Drake Del Castillo, Denis Meledin, Erik Sundin, Mattias Thorsell, Alexis Papamichail, Vanya Darakchieva, Niklas Rorsman, Francois Joint, Victor Belitsky, Vincent Desmaris (2025) Cryogenic Trapping Effects in GaN-HEMTs: Influences of Fe-Doped Buffer and Field Plates IEEE Transactions on Electron Devices, Vol. 72, p. 4042-4048 (Article in journal) Continue to DOI

Hengfang Zhang, Jr-Tai Chen, Alexis Papamichail, Ingemar Persson, Dat Tran, Plamen Paskov, Vanya Darakchieva (2025) Effect of substrate misorientation angle on the structural properties of N-polar GaN grown by hot-wall MOCVD on 4H-SiC(000(1)over-bar) Journal of Crystal Growth, Vol. 651, Article 127971 (Article in journal) Continue to DOI

2024

Alyssa Mock, Steffen Richter, Alexis Papamichail, Vallery Stanishev, Misagh Ghezellou, Jawad Ul-Hassan, Andreas Popp, Saud Bin Anooz, Daniela Gogova-Petrova, Praneeth Ranga, Sriram Krishnamoorthy, Rafal Korlacki, Mathias Schubert, Vanya Darakchieva (2024) Effective uniaxial dielectric function tensor and optical phonons in (¯2⁢01)-oriented ��-Ga2⁢O3 films with equally distributed sixfold-rotation domains Physical Review Applied, Vol. 22, Article 044003 (Article in journal) Continue to DOI

Alexis Papamichail, Axel Persson, S. Richter, Vallery Stanishev, Nerijus Armakavicius, Philipp Kuhne, S. Guo, Per O A Persson, Plamen Paskov, N. Rorsman, Vanya Darakchieva (2024) Impact of Al profile in high-Al content AlGaN/GaN HEMTs on the 2DEG properties Applied Physics Letters, Vol. 125, Article 123505 (Article in journal) Continue to DOI