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My study focuses on a theory of condensed-matter physics with a background of experimental physics.
Recent publications
K. Okamura, Bloch state constrained by spatial and time-reversal symmetries, J. Phys. A: Math. Theor. 56, 335003 (2023).
K. Okamura, Spin-dependent electron-radiation interaction, J. Phys.: Condens. Matter 33, 285501 (2021).
K. Okamura, Focus on the overlap density of wavefunctions in GW approximations, Phys. Chem. Chem. Phys. 22, 5366-5376 (2020).
Selected publications
Device physics
K. Okamura and H. Hahn, Carrier transport in nanocrystalline field-effect transistors: Impact of interface roughness and geometrical carrier trap, Appl. Phys. Lett. 97, 153114 (2010).
K. Okamura, D. Nikolova, N. Mechau, and H. Hahn, Appropriate choice of channel ratio in thin-film transistors for the exact determination of field-effect mobility, Appl. Phys. Lett. 94, 183503 (2009).
K. Okamura, N. Mechau, D. Nikolova, and H. Hahn, Influence of interface roughness on the performance of nanoparticulate zinc oxide field-effect transistors, Appl. Phys. Lett. 93, 083105 (2008).
Materials science
K. Okamura, B. Nasr, R. A. Brand, and H. Hahn, Solution-processed oxide semiconductor SnO in p-channel thin-film transistors, J. Mater. Chem. 22, 4607-4610 (2012).
