| Photoluminescence from defect centers in high-purity silica glasses observed under 7.9-eV excitation H Nishikawa, T Shiroyama, R Nakamura, Y Ohki, K Nagasawa, Y Hama Physical Review B 45 (2), 586, 1992 | 473 | 1992 |
| Decay kinetics of the 4.4-eV photoluminescence associated with the two states of oxygen-deficient-type defect in amorphous SiO 2 H Nishikawa, E Watanabe, D Ito, Y Ohki Physical review letters 72 (13), 2101, 1994 | 188 | 1994 |
| Defects and optical absorption bands induced by surplus oxygen in high‐purity synthetic silica H Nishikawa, R Tohmon, Y Ohki, K Nagasawa, Y Hama Journal of Applied Physics 65 (12), 4672-4678, 1989 | 172 | 1989 |
| Inverse association between coffee drinking and serum uric acid concentrations in middle-aged Japanese males C Kiyohara, S Kono, S Honjo, I Todoroki, Y Sakurai, M Nishiwaki, ... British Journal of Nutrition 82 (2), 125-130, 1999 | 153 | 1999 |
| Visible photoluminescence from Si clusters in γ‐irradiated amorphous SiO2 H Nishikawa, E Watanabe, D Ito, Y Sakurai, K Nagasawa, Y Ohki Journal of Applied Physics 80 (6), 3513-3517, 1996 | 153 | 1996 |
| Generation mechanism of photoinduced paramagnetic centers from preexisting precursors in high-purity silicas H Nishikawa, R Nakamura, R Tohmon, Y Ohki, Y Sakurai, K Nagasawa, ... Physical Review B 41 (11), 7828, 1990 | 118 | 1990 |
| Structures and generation mechanisms of paramagnetic centers and absorption bands responsible for Ge-doped SiO 2 optical-fiber gratings M Fujimaki, T Watanabe, T Katoh, T Kasahara, N Miyazaki, Y Ohki, ... Physical Review B 57 (7), 3920, 1998 | 110 | 1998 |
| Gallstone disease among Japanese men in relation to obesity, glucose intolerance, exercise, alcohol use, and smoking S Kono, K Shinchi, I Todoroki, S Honjo, Y Sakurai, K Wakabayashi, ... Scandinavian journal of gastroenterology 30 (4), 372-376, 1995 | 93 | 1995 |
| Photoluminescence study of defects in ion‐implanted thermal SiO2 films H Nishikawa, E Watanabe, D Ito, M Takiyama, A Ieki, Y Ohki Journal of applied physics 78 (2), 842-846, 1995 | 92 | 1995 |
| Micro-machining of resists on silicon by proton beam writing N Uchiya, T Harada, M Murai, H Nishikawa, J Haga, T Sato, Y Ishii, ... Nuclear Instruments and Methods in Physics Research Section B: Beam …, 2007 | 66 | 2007 |
| Correlation of preexisting diamagnetic defect centers with induced paramagnetic defect centers by ultraviolet or vacuum-ultraviolet photons in high-purity silica glasses H Nishikawa, R Nakamura, Y Ohki, Y Hama Physical Review B 48 (21), 15584, 1993 | 63 | 1993 |
| Gallstone disease risk in relation to body mass index and waist-to-hip ratio in Japanese men H Kodama, S Kono, I Todoroki, S Honjo, Y Sakurai, K Wakabayashi, ... International journal of obesity 23 (2), 211-216, 1999 | 54 | 1999 |
| Effect of implanted ion species on the decay kinetics of 2.7 eV photoluminescence in thermal SiO2 films KS Seol, Y Ohki, H Nishikawa, M Takiyama, Y Hama Journal of applied physics 80 (11), 6444-6447, 1996 | 53 | 1996 |
| Characteristic red photoluminescence band in oxygen-deficient silica glass Y Sakurai, K Nagasawa, H Nishikawa, Y Ohki Journal of applied physics 86 (1), 370-373, 1999 | 51 | 1999 |
| Energy states of Ge-doped SiO2 glass estimated through absorption and photoluminescence M Fujimaki, Y Ohki, H Nishikawa Journal of applied physics 81 (3), 1042-1046, 1997 | 51 | 1997 |
| Oxygen-deficient centers and excess Si in buried oxide using photoluminescence spectroscopy H Nishikawa, RE Stahlbush, JH Stathis Physical Review B 60 (23), 15910, 1999 | 50 | 1999 |
| Photoluminescence study on point defects in buried SiO2 film formed by implantation of oxygen KS Seol, A Ieki, Y Ohki, H Nishikawa, M Tachimori Journal of applied physics 79 (1), 412-416, 1996 | 47 | 1996 |
| Point defects in high purity silica induced by high‐dose gamma irradiation Y Sakurai, K Nagasawa, H Nishikawa, Y Ohki Journal of applied physics 75 (3), 1372-1377, 1994 | 47 | 1994 |
| Development of multiple space vector control for direct connected parallel current source power converters R Abe, Y Nagai, K Tsuyuki, H Nishikawa, T Shimamura, A Kawaguchi, ... Proceedings of Power Conversion Conference-PCC'97 1, 283-288, 1997 | 40 | 1997 |
| Laser-power dependence of absorption changes in Ge-doped SiO 2 glass induced by a KrF excimer laser M Fujimaki, K Yagi, Y Ohki, H Nishikawa, K Awazu Physical Review B 53 (15), 9859, 1996 | 37 | 1996 |
Shu SEKIKyoto UniversityVerified email at moleng.kyoto-u.ac.jp
