期刊
APPLIED PHYSICS LETTERS
卷 100, 期 19, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.4714920
关键词
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资金
- Ministry of Education, Culture, Sports and Technology (MEXT) of Japan [474]
- Japan Society for the Promotion of Science (JSPS)
- Australian Research Council
- Grants-in-Aid for Scientific Research [11J06215, 23760632, 19053003, 23686093, 23656395] Funding Source: KAKEN
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. (C) 2012 American Institute of Physics. [http://dx.doi.org/10.1063/1.4714920]
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