Simultaneous visualization of oxygen vacancies and the accompanying cation shifts in a perovskite oxide by combining annular imaging techniques

Shunsuke Kobayashi, Scott D. Findlay, Naoya Shibata, Teruyasu Mizoguchi, Yukio Sato, Eiji Okunishi, Yuichi Ikuhara, Takahisa Yamamoto

研究成果: Contribution to journalArticle査読

16 被引用数 (Scopus)

抄録

The defect structures around oxygen vacancies in perovskite-type oxides play very important roles in determining material properties through the change of the electronic state. Therefore, from the viewpoint of developing condensed matter physics and technological applications, it is crucial to obtain direct images of these structures. We report the simultaneous visualization of oxygen vacancies and the cation shifts around them in perovskite-type manganite by scanning transmission electron microscopy. The defective structure of the material makes it amenable to using Fourier analysis to obtain important structural information like the oxygen vacancy locations and the shift of nearby cation columns.

本文言語英語
論文番号193112
ジャーナルApplied Physics Letters
100
19
DOI
出版ステータス出版済み - 5 7 2012
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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