Boson Peak Investigation of Unusually Disproportionated Amorphous Silicon Monoxide via Terahertz Spectroscopy

Tatsuya Mori, Maiko Masubuchi, Yasuhiro Fujii, Suguru Kitani, Shinji Kohara, Akihiko Hirata, Hiroko Tokoro, Shin Ichi Ohkoshi, Akitoshi Koreeda, Hitoshi Kawaji, Seiji Kojima

研究成果: Conference contribution

1 被引用数 (Scopus)

抄録

To investigate multi-boson peaks (multi-BP), terahertz time-domain spectroscopy was performed on amorphous silicon monoxide (a-SiO), which exhibits unusual disproportion in the nanoscale region where the SiO and Si regions are separated. In the resulting THz spectrum, the BP was observed at 2.4 THz, as a broad asymmetric peak, and the BP frequency was evidently higher than that of silica glass. The results suggest that the higher BP frequency of a-SiO in the infrared spectrum originates from the a-Si cluster region.

本文言語English
ホスト出版物のタイトル2020 45th International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 2020
出版社IEEE Computer Society
ページ55-56
ページ数2
ISBN(電子版)9781728166209
DOI
出版ステータスPublished - 2020 11 8
外部発表はい
イベント45th International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 2020 - Virtual, Buffalo, United States
継続期間: 2020 11 82020 11 13

出版物シリーズ

名前International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz
2020-November
ISSN(印刷版)2162-2027
ISSN(電子版)2162-2035

Conference

Conference45th International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 2020
国/地域United States
CityVirtual, Buffalo
Period20/11/820/11/13

ASJC Scopus subject areas

  • エネルギー工学および電力技術
  • 電子工学および電気工学

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