期刊
ADVANCED MATERIALS
卷 22, 期 14, 页码 1659-+出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adma.200902041
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资金
- Nancy and Stephen Grand Research Center
- Israel Ministry of Science
- U.S. DOE [DE-FG02-03ER15476, DE-AC02-98CH10886]
- Synchrotron Catalysis Consortium, U.S. DOE [DE-FG02-05ER15688]
Extended X-ray absorption fine structure spectroscopy (EXAFS) was used to determine the interatomic distances in both strain-free and strained thin films of Ce0.8Gd0.2O1.9. It was found that in response to compressive strain, the Ce4+ ion undergoes an anomalously large shift away from the oxygen vacancy. This finding offers a microscopic explanation for the elastic anomalies observed in Ce0.8Gd0.2O1.9.
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