• 2553 Citations
  • 25 h-Index
1989 …2020

Research output per year

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Research Output

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Conference article
2012

Mechanism and application of refractive index increase induced in fluorinated polyimide by ion irradiation

Arai, Y., Ohki, Y., Saito, K. & Nishikawa, H., 2012 Dec 1, In : Annual Report - Conference on Electrical Insulation and Dielectric Phenomena, CEIDP. p. 705-708 4 p., 6378878.

Research output: Contribution to journalConference article

2003

Characterization of ion-implanted silica glass by micro-photoluminescence and Raman spectroscopy

Souno, T., Nishikawa, H., Hattori, M., Ohki, Y., Watanabe, E., Oikawa, M., Kamiya, T. & Arakawa, K., 2003 Sep 1, In : Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms. 210, p. 277-280 4 p.

Research output: Contribution to journalConference article

7 Citations (Scopus)

Characterization of refractive index changes of silica glass induced by ion microbeam

Hattori, M., Ohki, Y., Fujimaki, M., Souno, T., Nishikawa, H., Watanabe, E., Oikawa, M., Kamiya, T. & Arakawa, K., 2003 Sep 1, In : Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms. 210, p. 272-276 5 p.

Research output: Contribution to journalConference article

7 Citations (Scopus)
2000

Photoluminescence characterization of defects in thermal oxide

Nishikawa, H. & Stathis, J. H., 2000 Dec 1, In : Materials Research Society Symposium - Proceedings. 592, p. 289-294 6 p.

Research output: Contribution to journalConference article

1995

Photoluminescence and electron-spin-resonance studies of defects in ion-implanted thermal SiO2 films

Nishikawa, H., Fukui, H., Watanabe, E., Ito, D., Takiyama, M., Ieki, A. & Ohki, Y., 1995 Dec 1, In : Materials Science Forum. 196-201, pt 1, p. 97-102 6 p.

Research output: Contribution to journalConference article

1 Citation (Scopus)

Photoluminescence study on point defects in SIMOX buried SiO2 film

Seol, K. S., Ieki, A., Ohki, Y., Nishikawa, H. & Tachimori, M., 1995 Dec 1, In : Materials Science Forum. 196-201, pt 4, p. 1909-1914 6 p.

Research output: Contribution to journalConference article

1990

Paramagnetic centers induced by ArF excimer laser irradiation in high-purity silica glasses

Nishikawa, H., Nakamura, R., Tohmon, R., Ohki, Y., Hama, Y., Sakurai, Y. & Nagasawa, K., 1990 Dec 1, In : Proceedings of SPIE - The International Society for Optical Engineering. 1327, p. 69-78 10 p.

Research output: Contribution to journalConference article

1989

Role of nonstoichiometry on UV absorption and luminescence in high-purity silica.

Nishikawa, H., Tohmon, R., Nagasawa, K., Ohki, Y. & Hama, Y., 1989 Dec 1, In : Proceedings of SPIE - The International Society for Optical Engineering. 1128, p. 281-289 9 p.

Research output: Contribution to journalConference article

6 Citations (Scopus)