期刊
JOURNAL OF THE CERAMIC SOCIETY OF JAPAN
卷 127, 期 10, 页码 708-714出版社
CERAMIC SOC JAPAN-NIPPON SERAMIKKUSU KYOKAI
DOI: 10.2109/jcersj2.19118
关键词
STEM; Electromagnetic field; DPC; Atomic resolution
资金
- JST SENTAN, Japan [JPMJSN14A1]
- JSPS KAKENHI [JP17H01316, JP17H06094]
- MEXT, Japan [12024046]
Ultra-high spatial resolution better than 0.5 angstrom has been achieved in aberration-corrected scanning transmission electron microscopy (STEM). By combining such an ultra-high resolution STEM with a differential phase contrast (DPC) imaging technique, we can now directly visualize the electric field distribution inside individual atoms in real space. The atomic electric field, i.e., the field between the nucleus of the atom and the electron cloud that surrounds it, contains information about the atomic species and charge redistribution due to chemical bonding. In this review, the current status of the development in atomic-resolution DPC STEM and its future direction is discussed. (C) 2019 The Ceramic Society of Japan. All rights reserved.
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