期刊
APPLIED PHYSICS LETTERS
卷 106, 期 4, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.4906861
关键词
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资金
- JSPS KAKENHI Grant [26220907, 26709047]
- JST-PRESTO
- Government of Russian Federation [2012-220-03-434, 14.B25.31.0025]
- Grants-in-Aid for Scientific Research [26709047, 26220907] Funding Source: KAKEN
PbTiO3 thin films were epitaxially grown on (001) KTaO3 single crystal substrates by metalorganic chemical vapor deposition. The coherent epitaxial growth introduced a large in-plane tensile strain to the PbTiO3 film. This tensile strain increased T-C and directed the polarization to one of the in-plane < 100 > axes below T-C, resulting in the formation of perfect a(1)/a(2)/a(1)/a(2) domain structure. We found that the polar distortion is appreciably suppressed in such a(1)/a(2)/a(1)/a(2) domain structure while T-C is enhanced due to the strain. (C) 2015 AIP Publishing LLC.
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