Photoinduced generation of electron anions in H-doped nanoporous oxide 12CaO·7 Al2 O3: Toward an optically controlled formation of electrides

Peter V. Sushko, Alexander L. Shluger, Katsuro Hayashi, Masahiro Hirano, Hideo Hosono

研究成果: Contribution to journalArticle査読

42 被引用数 (Scopus)

抄録

We suggest, on the basis of detailed ab initio calculations of both ground and photoexcited states of H-doped 12CaO·7 Al2 O3 (C12A7:H), that stable high-conductivity regions can be optically generated in this insulating system. Each H- ion in C12A7:H can, under photoirradiation at 3.8-4.5 eV, produce up to two electrons and a proton that binds to the lattice network and forms OH-. Mobile electrons play a role of anions in this system. They move over subnanosized cages of the C12A7 lattice via polaron hopping. The insulating state is reversibly restored upon heating to 300 °C.

本文言語英語
論文番号092101
ページ(範囲)1-3
ページ数3
ジャーナルApplied Physics Letters
86
9
DOI
出版ステータス出版済み - 2 28 2005
外部発表はい

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy (miscellaneous)

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