F. Oba

Ordering and segregation of a Cu75Pt25(111) surface: A first-principles cluster expansion study (2007)

Yuge, K, Seko, A, Kuwabara, A, Oba, F, Tanaka, I

Microstructure of Mn-doped gamma-Ga2O3 epitaxial film on sapphire (0001) with room temperature ferromagnetism (2007)

Huang, R, Hayashi, H, Oba, F, Tanaka, I

Awaking of ferromagnetism in GaMnN through control of Mn valence (2007)

Sonoda, S, Tanaka, I, Oba, F, Ikeno, H, Hayashi, H, Yamamoto, T, ...

Awaking of ferromagnetism in GaMnN through control of Mn valence (2007)

Sonoda, S, Tanaka, I, Oba, F, Ikeno, H, Hayashi, H, Yamamoto, T, ...

First-principles study of defect equilibria in lithium zinc nitride (2007)

Toyoura, K, Oba, F, Ninomiya, T, Kuwabara, A, Tanaka, I

First-principles study of bulk ordering and surface segregation in Pt-Rh binary alloys (2006)

Yuge, K, Seko, A, Kuwabara, A, Oba, F, Tanaka, I

First-principles calculations of native defects in tin monoxide (2006)

Togo, A, Oba, F, Tanaka, I, Tatsumi, K

Room temperature ferromagnetism in Mn-doped gamma-Ga2O3 with spinel structure (2006)

Hayashi, H, Huang, R, Ikeno, H, Oba, F, Yoshioka, S, Tanaka, I, ...

Prediction of ground-state structures and order-disorder phase transitions in II-III spinel oxides: A combined cluster-expansion method and first-principles study (2006)

Seko, A, Yuge, K, Oba, F, Kuwabara, A, Tanaka, I

First-principles study of cation disordering in MgAl2O4 spinel with cluster expansion and Monte Carlo simulation (2006)

Seko, A, Yuge, K, Oba, F, Kuwabara, A, Tanaka, I, Yamamoto, T

Debye temperature and stiffness of carbon and boron nitride polymorphs from first principles calculations (2006)

Tohei, T, Kuwabara, A, Oba, F, Tanaka, I

Debye temperature and stiffness of carbon and boron nitride polymorphs from first principles calculations (2006)

Tohei, T, Kuwabara, A, Oba, F, Tanaka, I

First-principles study of cation disordering in MgAl2O4 spinel with cluster expansion and Monte Carlo simulation (2006)

Seko, A, Yuge, K, Oba, F, Kuwabara, A, Tanaka, I, Yamamoto, T

First-principles calculations of migration energy of lithium ions in halides and chalcogenides (2006)

Kishida, I, Koyama, Y, Kuwabara, A, Yamamoto, T, Oba, F, Tanaka, I

Prediction of ground-state structures and order-disorder phase transitions in II-III spinel oxides: A combined cluster-expansion method and first-principles study (2006)

Seko, A, Yuge, K, Oba, F, Kuwabara, A, Tanaka, I

Room temperature ferromagnetism in Mn-doped gamma-Ga2O3 with spinel structure (2006)

Hayashi, H, Huang, R, Ikeno, H, Oba, F, Yoshioka, S, Tanaka, I, ...

First-principles study of bulk ordering and surface segregation in Pt-Rh binary alloys (2006)

Yuge, K, Seko, A, Kuwabara, A, Oba, F, Tanaka, I

First-principles calculations of native defects in tin monoxide (2006)

Togo, A, Oba, F, Tanaka, I, Tatsumi, K

Local environment of Mn dopant in ZnO by near-edge x-ray absorption fine structure analysis (2005)

Kunisu, M, Oba, F, Ikeno, H, Tanaka, I, Yamamoto, T

General rule for displacive phase transitions in perovskite compounds revisited by first principles calculations (2005)

Tohei, T, Kuwabara, A, Yamamoto, T, Oba, F, Tanaka, I

Effect of boundary plane on the atomic structure of [0001] Sigma 7 tilt grain boundaries in ZnO (2005)

Oba, F, Sato, Y, Yamamoto, T, Ohta, H, Hosono, H, Ikuhara, Y

Identification of Mg vacancy in MgO by positron lifetime measurements and first-principles calculations (2005)

Mizuno, M, Araki, H, Shirai, Y, Oba, F, Tanaka, I

Arrangement of multiple structural units in a [0001] Sigma 49 tilt grain boundary in ZnO (2005)

Sato, Y, Mizoguchi, T, Oba, F, Ikuhara, Y, Yamamoto, T

Current-voltage characteristic and grain boundary structure in undoped and Pr and Co doped ZnO bicrystals (2005)

Sato, Y, Oba, F, Yodogawa, M, Yamamoto, T, Ikuhara, Y

General rule for displacive phase transitions in perovskite compounds revisited by first principles calculations (2005)

Tohei, T, Kuwabara, A, Yamamoto, T, Oba, F, Tanaka, I

Systematic study of grain boundary atomistic structures and related properties in cubic zirconia bicrystals (2005)

Shibata, N, Oba, F, Yamamoto, T, Ikuhara, Y

Epitaxial growth of cuprous oxide electrodeposited onto semiconductor and metal substrates (2005)

Oba, F, Ernst, F, Yu, YS, Liu, R, Kothari, M, Switzer, JA

Local environment of Mn dopant in ZnO by near-edge x-ray absorption fine structure analysis (2005)

Kunisu, M, Oba, F, Ikeno, H, Tanaka, I, Yamamoto, T

First-principles calculations of silicon nitrides and SiAlONs (2003)

Tanaka, I, Tatsumi, K, Oba, F, Adachi, H

First principles calculations of the formation energy of Cr/Al vacancies in spinel-type MgCr2O4 and MgAl2O4 (2003)

Moriwake, H, Tanaka, I, Oba, F, Koyama, Y, Adachi, H

Electronic states associated with bond disorder at ZnO grain boundaries (2003)

Oba, F, Tanaka, I, Adachi, H

Formation energy of Cr/Al vacancies in spinel MgCr2O4 and MgAl2O4 by first-principles calculations (2002)

Moriwake, H, Tanaka, I, Oba, F, Koyama, Y, Adachi, H

Theoretical formation energy of oxygen-vacancies in oxides (2002)

Tanaka, I, Oba, F, Tatsumi, K, Kunisu, M, Nakano, M, Adachi, H

Formation energy of Cr/Al vacancies in spinel MgCr2O4 and MgAl2O4 by first-principles calculations (2002)

Moriwake, H, Tanaka, I, Oba, F, Koyama, Y, Adachi, H

Effective doping in cubic Si3N4 and Ge3N4: A first-principles study (2002)

Oba, F, Tatsumi, K, Tanaka, I, Adachi, H

First-principles calculations of Co impurities and native defects in ZnO (2002)

Oba, F, Yamamoto, T, Ikuhara, Y, Tanaka, I, Adachi, H

First-principles calculations of anion vacancies in oxides and nitrides (2002)

Tanaka, I, Tatsumi, K, Nakano, M, Adachi, H, Oba, F

Theoretical prediction of post-spinel phases of silicon nitride (2002)

Tatsumi, K, Tanaka, I, Adachi, H, Oba, F, Sekine, T

Hardness of cubic silicon nitride (2002)

Tanaka, I, Oba, F, Sekine, T, Ito, E, Kubo, A, Tatsumi, K, ...

Energetics of native defects in ZnO (2001)

Oba, F, Nishitani, SR, Isotani, S, Adachi, H, Tanaka, I

n- and p-type dopants for cubic silicon nitride (2001)

Oba, F, Tatsumi, K, Adachi, H, Tanaka, I

Ab initio study of symmetric tilt boundaries in ZnO (2001)

Oba, F, Nishitani, SR, Adachi, H, Tanaka, I, Kohyama, M, Tanaka, S

Ab initio study of symmetric tilt boundaries in ZnO (2001)

Oba, F, Nishitani, SR, Adachi, H, Tanaka, I, Kohyama, M, Tanaka, S

Energetics of native defects in ZnO (2001)

Oba, F, Nishitani, SR, Isotani, S, Adachi, H, Tanaka, I

Energetics of native defects in ZnO (vol 90, pg 824, 2001) (2001)

Oba, F, Nishitani, SR, Isotani, S, Adachi, H, Tanaka, I

n- and p-type dopants for cubic silicon nitride (2001)

Oba, F, Tatsumi, K, Adachi, H, Tanaka, I

Electron-energy-loss near edge structures of six-fold-coordinated Zn in MgO (2001)

Mizoguchi, T, Yoshiya, M, Li, J, Oba, F, Tanaka, I, Adachi, H

Core-hole effects on theoretical electron-energy-loss near-edge structure and near edge x-ray absorption fine structure of MgO (2000)

Mizoguchi, T, Tanaka, I, Yoshiya, M, Oba, F, Ogasawara, K, Adachi, H

Geometry and electronic structure of [0001]/((1)over-bar(2)over-bar30) Sigma=7 symmetric tilt boundary in ZnO (2000)

Oba, F, Tanaka, I, Nishitani, SR, Adachi, H, Slater, B, Gay, DH

Energetics and electronic structure of point defects associated with oxygen excess at a tilt boundary of ZnO (2000)

Oba, F, Adachi, H, Tanaka, I

Core-hole effects on theoretical electron-energy-loss near-edge structure and near edge x-ray absorption fine structure of MgO (2000)

Mizoguchi, T, Tanaka, I, Yoshiya, M, Oba, F, Ogasawara, K, Adachi, H

Electronic structure and chemical bondings of MgCr2-xO4 (2000)

Moriwake, H, Tanaka, I, Oba, F, Adachi, H

Valence band structure of ZnO (10(1)over-bar0) surface by cluster calculation (1999)

Matsunaga, K, Oba, F, Tanaka, I, Adachi, H