標題: Atomic-Scale Evolution of Local Electronic Structure Across Multiferroic Domain Walls
作者: Chiu, Ya-Ping
Chen, Yu-Ting
Huang, Bo-Chao
Shih, Min-Chuan
Yang, Jan-Chi
He, Qing
Liang, Chen-Wei
Seidel, Jan
Chen, Yi-Chun
Ramesh, Ramamoorthy
Chu, Ying-Hao
材料科學與工程學系
Department of Materials Science and Engineering
公開日期: 5-Apr-2011
摘要: Direct evidence of the electronic configurations across domain walls in BiFeO(3) is quantitatively characterized by cross-sectional scanning tunneling microscopy. Atomic-scale band evolution and the asymmetrically built-in potential barrier at domain boundaries are demonstrated. The 109 degrees domain walls register a remarkable decrease in the bandgap, suggesting a new route to control the local conducting channels within 2 nm.
URI: http://dx.doi.org/10.1002/adma.201004143
http://hdl.handle.net/11536/9014
ISSN: 0935-9648
DOI: 10.1002/adma.201004143
期刊: ADVANCED MATERIALS
Volume: 23
Issue: 13
起始頁: 1530
結束頁: 1534
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