| Relativistic cluster calculation of ligand-field multiplet effects on cation x-ray-absorption edges of NiO, and K Ogasawara, T Iwata, Y Koyama, T Ishii, I Tanaka, H Adachi Physical Review B 64 (11), 115413, 2001 | 193 | 2001 |
| Core-hole effects on theoretical electron-energy-loss near-edge structure and near-edge x-ray absorption fine structure of MgO T Mizoguchi, I Tanaka, M Yoshiya, F Oba, K Ogasawara, H Adachi Physical Review B 61 (3), 2180, 2000 | 123 | 2000 |
| First-principles multielectron calculations of Ni NEXAFS and ELNES for and related compounds H Ikeno, I Tanaka, Y Koyama, T Mizoguchi, K Ogasawara Physical Review B 72 (7), 075123, 2005 | 118 | 2005 |
| Calculation of multiplet structures of and in based on a hybrid method of density-functional theory and the configuration interaction K Ogasawara, T Ishii, I Tanaka, H Adachi Physical Review B 61 (1), 143, 2000 | 99 | 2000 |
| First-principles calculations of electron-energy-loss near-edge structure and near-edge x-ray-absorption fine structure of BN polytypes using model clusters I Tanaka, H Araki, M Yoshiya, T Mizoguchi, K Ogasawara, H Adachi Physical Review B 60 (7), 4944, 1999 | 91 | 1999 |
| Optical spectra of trivalent lanthanides in LiYF4 crystal K Ogasawara, S Watanabe, H Toyoshima, T Ishii, MG Brik, H Ikeno, ... Journal of Solid State Chemistry 178 (2), 412-418, 2005 | 74 | 2005 |
| First principles calculation of Fe L2, 3-edge X-ray absorption near edge structures of iron oxides H Ikeno, I Tanaka, T Miyamae, T Mishima, H Adachi, K Ogasawara Materials transactions 45 (5), 1414-1418, 2004 | 71 | 2004 |
| Fully relativistic calculations of the L2,3-edge XANES spectra for vanadium oxides MG Brik, K Ogasawara, H Ikeno, I Tanaka The European Physical Journal B-Condensed Matter and Complex Systems 51, 345-355, 2006 | 63 | 2006 |
| Semiconductive nature of lead-based metal–organic frameworks with three-dimensionally extended sulfur secondary building units Y Kamakura, P Chinapang, S Masaoka, A Saeki, K Ogasawara, ... Journal of the American Chemical Society 142 (1), 27-32, 2019 | 50 | 2019 |
| Comparative study of multiplet structures of Mn4+ in K2SiF6, K2GeF6, and K2TiF6 based on first-principles configuration–interaction calculations M Novita, K Ogasawara Japanese Journal of Applied Physics 51 (2R), 022604, 2012 | 48 | 2012 |
| Calculations of complete 4fn and 4fn-1 5d1 energy level schemes of free trivalent rare-earth ions K Ogasawara, S Watanabe, Y Sakai, H Toyoshima, T Ishii, MG Brik, ... Japanese journal of applied physics 43 (5A), L611, 2004 | 47 | 2004 |
| Microscopic analysis of the crystal field strength and lowest charge transfer energies in the elpasolite crystals doped with MG Brik, K Ogasawara Physical Review B 74 (4), 045105, 2006 | 46 | 2006 |
| Multiplet energy level diagrams for Cr3+ and Mn4+ in oxides with Oh site symmetry based on first-principles calculations K Ogasawara, F Alluqmani, H Nagoshi ECS Journal of Solid State Science and Technology 5 (1), R3191, 2015 | 43 | 2015 |
| Study of multiplet structures of Mn4+ activated in fluoride crystals M Novita, T Honma, B Hong, A Ohishi, K Ogasawara Journal of Luminescence 169, 594-600, 2016 | 40 | 2016 |
| Theoretical calculation for the multiplet structure of the tetrahedrally coordinated in T Ishii, K Ogasawara, H Adachi, I Tanaka The Journal of chemical physics 115 (1), 492-508, 2001 | 35 | 2001 |
| Cluster calculation of oxygen K-edge electron-energy-loss near-edge structure of NiO H Kanda, M Yoshiya, F Oba, K Ogasawara, H Adachi, I Tanaka Physical Review B 58 (15), 9693, 1998 | 35 | 1998 |
| Comparative Study of Absorption Spectra of V2+, Cr3+, and Mn4+ in α-Al2O3 Based on First-Principles Configuration–Interaction Calculations M Novita, K Ogasawara Journal of the Physical Society of Japan 81 (10), 104709, 2012 | 34 | 2012 |
| First-principles calculations of 4f–5d optical absorption spectra in BaMgAl10O17: Eu H Toyoshima, S Watanabe, K Ogasawara, H Yoshida Journal of luminescence 122, 104-106, 2007 | 32 | 2007 |
| First-principles relativistic calculation for 4f–5d transition energy of Ce3+ in various fluoride hosts S Watanabe, T Ishii, K Fujimura, K Ogasawara Journal of Solid State Chemistry 179 (8), 2438-2442, 2006 | 32 | 2006 |
| Optical transitions near the fundamental absorption edge and electronic structures of YAl3 (BO3) 4: Gd3+ H Yoshida, R Yoshimatsu, S Watanabe, K Ogasawara Japanese journal of applied physics 45 (1R), 146, 2006 | 32 | 2006 |
