期刊
JOURNAL OF THE AMERICAN CERAMIC SOCIETY
卷 98, 期 6, 页码 1932-1936出版社
WILEY
DOI: 10.1111/jace.13536
关键词
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资金
- Japan Society for Promotion of Science (JSPS)
- MEXT [25106003]
- G-COE program
- Nihon Sheet Glass Foundation for Materials Science and Engineering
- Kato Foundation for Promotion of Science
- MEXT, Japan [12024046]
- Grants-in-Aid for Scientific Research [14J10865] Funding Source: KAKEN
As grain boundary (GB) and GB segregation often have significant impact on various properties of polycrystalline materials, their atomic structures as well as the location of segregated dopant should be intensively investigated. We have thus reported several papers about segregation of Pr (praseodymium) in ZnO (zinc oxide) GBs for case study. In this study, we study the atomic structure of Pr-doped ZnO [0001]GB [Sato etal., Phys. Rev. B, 87,140101 (2013)]. Although atomic arrangements of these GBs can be characterized using the same kinds of structural units (SUs), Pr segregation sites relative to the SU vary with GBs. It is suggested that change in strain distribution for different GBs would cause the variation in the segregation sites and Pr would prefer the Zn site of locally highest tension.
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