Excess-silver-induced bridge formation in a silver sulfide atomic switch

Zhongchang Wang, Tingkun Gu, Tomofumi Tada, Satoshi Watanabe

研究成果: ジャーナルへの寄稿学術誌査読

45 被引用数 (Scopus)

抄録

Structural properties and electron transport of a Ag2 S atomic switch composed of Ag-Ag2S-Ag heterostructure are investigated by nonequilibrium Green's function calculations considering the effect of excess Ag in the Ag2S layer. In addition to confirming experimentally the formation of the Ag bridge inside Ag2S, the bridge is found to consist of units having a structure similar to that of the Ag (111) face in the bulk Ag. The analyses of Mulliken population, transmission spectra, and current-voltage characteristics reveal that the bridge has a conductive and metallic nature.

本文言語英語
論文番号152106
ジャーナルApplied Physics Letters
93
15
DOI
出版ステータス出版済み - 2008
外部発表はい

!!!All Science Journal Classification (ASJC) codes

  • 物理学および天文学(その他)

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