Functional complex point-defect structure in a huge-size-mismatch system

Ryo Ishikawa, Naoya Shibata, Fumiyasu Oba, Takashi Taniguchi, Scott D. Findlay, Isao Tanaka, Yuichi Ikuhara

研究成果: Article査読

31 被引用数 (Scopus)

抄録

Cubic boron nitride is a promising system for photonics and optoelectronics. Determining the inclusion mechanisms for dopants with a large size mismatch, such as luminous rare-earth elements, is prerequisite to understanding their functional properties and to effective doping control. Combining evidence from subangstrom resolution scanning transmission electron microscopy, imaging simulations, and first-principles calculations, we show that cationic Ce3+ single dopants are not located at cationic B sites but rather at anionic N sites surrounded by B-site vacancies.

本文言語English
論文番号065504
ジャーナルPhysical review letters
110
6
DOI
出版ステータスPublished - 2013 2月 7
外部発表はい

ASJC Scopus subject areas

  • 物理学および天文学(全般)

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