Atomic-scale evolution of local electronic structure across multiferroic domain walls

Ya Ping Chiu*, Yu Ting Chen, Bo Chao Huang, Min Chuan Shih, Jan Chi Yang, Qing He, Chen Wei Liang, Jan Seidel, Yi Chun Chen, Ramamoorthy Ramesh, Ying Hao Chu

*此作品的通信作者

研究成果: 雜誌貢獻期刊論文同行評審

79 引文 斯高帕斯(Scopus)

摘要

Direct evidence of the electronic configurations across domain walls in BiFeO3 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° domain walls register a remarkable decrease in the bandgap, suggesting a new route to control the local conducting channels within 2 nm.

原文英語
頁(從 - 到)1530-1534
頁數5
期刊Advanced Materials
23
發行號13
DOIs
出版狀態已發佈 - 2011 4月 5
對外發佈

ASJC Scopus subject areas

  • 材料科學(全部)
  • 材料力學
  • 機械工業

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