東京工業大学大場研究室

Y. Kumagai, L. A. Burton, A. Walsh, and F. Oba,
“Ab initio study of point defects in tin sulfides”,

K. Harada, Y. Kumagai, K. Matsuzaki, T. Susaki, and F. Oba,
“First-principles study of point defects in copper nitride”,

F. Oba,
“Accurate predictions of defect properties in semiconductors: Towards understanding, screening, and discovery of materials”,

F. Oba,
“Predictions of point defect, surface, and interface properties in semiconductors using first-principles calculations”,

Y. Kumagai and F. Oba,
"Finite-size correction for first-principles point defect calculations using a supercell approach",

Y. Hinuma, F. Oba, and I. Tanaka,
"Effects of misfit dislocations on the band alignment of zincblende semiconductors",

S. Katayama, Y. Ogawa, H. Hayashi, F. Oba, and I. Tanaka,
"Fabrication and characterization of Sn₂M₂O₇(M = Nb, Ta) thin films",

H. Hayashi, R. Huang, F. Oba, T. Hirayama, and I. Tanaka,
"First-principles study of electronic structure in Mn-doped γ-Ga₂O₃",

S. Katayama, H. Hayashi, F. Oba, and I. Tanaka,
"Fabrication and characterization of rocksalt Zn_1-xNi_xO thin films",

H. Akamatsu, F. Oba, Y. Kumagai, K. Fujita, K. Tanaka, and I. Tanaka,
"Role of d states of B-site cations for spin-lattice coupling in Eu²⁺ perovskite oxides",

R. Ishikawa, N. Shibata, F. Oba, T. Taniguchi, S. D. Findlay, I. Tanaka, and Y. Ikuhara,
"Atomic-resolution STEM imaging in nitrides",

A. Kuwabara, K. Toyoura, Y. Koyama, C. A. J. Fisher, F. Oba, K. Matsunaga, H. Moriwake, and I. Tanaka,
"First principles calculations of point defects in acceptor-doped BaZrO₃",

M. Choi, F. Oba, and I. Tanaka,
"Density functional study of Ti antisites in SrTiO₃, BaTiO₃, and PbTiO₃",

H. Hayashi, R. Huang, X. Wang, F. Oba, T. Hirayama, and I. Tanaka,
"Synthesis of Mn-doped Ga₂O₃ epitaxial thin film with spinel structure",

Y. Kumagai, A. Seko, F. Oba, and I. Tanaka,
"Ground-state structures in MgO-NiO crystalline solutions",

I. Tanaka, A. Seko, A. Togo, and F. Oba,
"Statistical thermodynamics of oxides by combination of cluster expansion method and first principles calculations",

H. Akamatsu, Y. Kumagai, F. Oba, K. Fujita, K. Tanaka, and I. Tanaka,
"First-principles study of magnetism and electronic structure in Eu²⁺ perovskite oxides",

I. Tanaka, A. Kuwabara, K. Yuge, A. Seko, F. Oba, and K. Matsunaga,
"First principles calculations of advanced nitrides, oxides and alloys",

M. Choi, F. Oba, and I. Tanaka,
"Energetics and electronic structure of point defects in NaTaO₃",

A. Seko, A. Togo, F. Oba, and I. Tanaka,
"Structure and phase stability of nonstoichiometric compounds of tin oxides",

H. Hayashi, R. Huang, H. Ikeno, S. Sonoda, F. Oba, and I. Tanaka,
"Characterization of Ga₂O₃:Mn thin films with room temperature ferromagnetism",

Y. Kumagai, H. Ikeno, F. Oba, K. Matsunaga, and I. Tanaka,
"First-principles study of Co L_2,3 XANES and ELNES of trivalent cobalt compounds",

K. Yuge, A. Seko, Y. Koyama, A. Kuwabara, F. Oba, and I. Tanaka,
"First-principles study on segregation and surface structures of Pt-Rh alloys",

N. Shibata, F. Oba, T. Yamamoto, and Y. Ikuhara,
"Atomic-scale processes of grain-boundary faceting in a zirconia bicrystal",

F. Oba, R. Liu, E. W. Bohannan, F. Ernst, and J. A. Switzer,
"Microstructure of interfaces made by epitaxial electrodeposition”,

N. Shibata, F. Oba, T. Yamamoto, and Y. Ikuhara,
"Grain-boundary atomic structures in zirconia ceramics",

M. Mizuno, H. Araki, Y. Shirai, F. Oba, and I. Tanaka,
"Identification of Mg vacancy in MgO by positron lifetime measurements and first-principles calculations",

F. Ernst, G. M. Michal, Y. Cao, N. Agarwal, H. Kahn, F. Oba, and A. H. Heuer,
"Paraequilibrium surface alloying with interstitial solutes: A new concept for improving the performance of medical devices",

Y. Sato, F. Oba, M. Yodogawa, T. Yamamoto, and Y. Ikuhara,
"Current-voltage characteristic and grain boundary structure in undoped and Pr and Co doped ZnO bicrystals",

T. Izumi, K. Hasegawa, Y. Shiohara, Y. Sugawara, T. Hirayama, F. Oba, and Y. Ikuhara,
"Improvement of in-plane alignment and superconducting characteristics of SmBa₂Cu₃O_y film on textured NiO/Ni substrate by using BaZrO₃ buffer layer",

F. Oba, R. Liu, Y. Yu, E. W. Bohannan, F. Ernst, J. A. Switzer,
"TEM Studies of Cu₂O-Si and Cu₂O-InP interfaces made by epitaxial electrodeposition",

F. Oba, I. Tanaka, and H. Adachi,
"Electronic states associated with bond disorder at ZnO grain boundaries",

I. Tanaka, K. Tatsumi, F. Oba, and H. Adachi,
"First-principles calculations of silicon nitrides and SiAlONs",

F. Oba, S. R. Nishitani, H. Adachi, I. Tanaka, M. Kohyama, and S. Tanaka,
"Atomic and electronic structure of symmetric tilt boundaries in ZnO",

F. Oba, T. Yamamoto, Y. Ikuhara, I. Tanaka, and H. Adachi,
"Interaction of Co impurities and native defects in ZnO",

I. Tanaka, F. Oba, K. Tatsumi, M. Nakano, and H. Adachi,
"First principles calculations of oxygen-vacancies in oxides",

F. Oba, S. R. Nishitani, H. Adachi, and I. Tanaka,
"Electronic structure calculation of symmetric tilt boundaries in ZnO",

K. Ogasawara, T. Ishii, F. Oba, I. Tanaka, and H. Adachi,
"First-principles calculation of optical spectra for transition-metal impurities doped in ZnO and ZnS",

M. Yodogawa, Y. Ikuhara, F. Oba, and I. Tanaka,
"The role of Co ions on the appearance of non-linear I-V characteristics of ZnO-based ceramics",

F. Oba, I. Tanaka, K. Ogasawara, and H. Adachi,
"Interaction between oxygen and 3d transition-metal impurities on ZnO (10-10) surface",