Alexis Papamichail

Publications

2024

Nerijus Armakavicius, Sean Robert Knight, Philipp Kuhne, Vallery Stanishev, Dat Tran, Steffen Richter, Alexis Papamichail, Megan Stokey, Preston Sorensen, Ufuk Kilic, Mathias Schubert, Plamen Paskov, Vanya Darakchieva (2024) Electron effective mass in GaN revisited: New insights from terahertz and mid-infrared optical Hall effect APL Materials, Vol. 12, Article 021114 Continue to DOI

Sean Robert Knight, Steffen Richter, Alexis Papamichail, Megan Stokey, Rafal Korlacki, Vallery Stanishev, Philipp Kuhne, Mathias Schubert, Vanya Darakchieva (2024) Terahertz permittivity parameters of monoclinic single crystal lutetium oxyorthosilicate Applied Physics Letters, Vol. 124, Article 032101 Continue to DOI

2023

Sean Robert Knight, Steffen Richter, Alexis Papamichail, Philipp Kuhne, Nerijus Armakavicius, Shiqi Guo, Axel R. Persson, Vallery Stanishev, Viktor Rindert, Per O. Å. Persson, Plamen P. Paskov, Mathias Schubert, Vanya Darakchieva (2023) Room temperature two-dimensional electron gas scattering time, effective mass, and mobility parameters in Al_xGa_1−xN/GaN heterostructures (0.07 ≤ x ≤ 0.42) Journal of Applied Physics, Vol. 134, Article 185701 Continue to DOI

Alexis Papamichail, Axel Persson, Steffen Richter, Philipp Kuhne, Vallery Stanishev, Per O A Persson, R. Ferrand-Drake Del Castillo, M. Thorsell, H. Hjelmgren, Plamen Paskov, N. Rorsman, Vanya Darakchieva (2023) Tuning composition in graded AlGaN channel HEMTs toward improved linearity for low-noise radio-frequency amplifiers Applied Physics Letters, Vol. 122, Article 153501 Continue to DOI

Hengfang Zhang, Ingemar Persson, Jr-Tai Chen, Alexis Papamichail, Dat Tran, Per O A Persson, Plamen P. Paskov, Vanya Darakchieva (2023) Polarity Control by Inversion Domain Suppression in N-Polar III-Nitride Heterostructures Crystal Growth & Design, Vol. 23, p. 1049-1056 Continue to DOI