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Tetragonal-tetragonal-monoclinic-rhombohedral transition: Strain relaxation of heavily compressed BiFeO3 epitaxial thin films
Fu, Z; Yin, ZG; Chen, NF; Zhang, XW; Zhao, YJ; Bai, YM; Chen, Y; Wang, HH; Zhang, XL; Wu, JL;陈雨; Wang HH(王焕华)
2014
发表期刊APPLIED PHYSICS LETTERS
卷号104期号:5页码:52908
摘要BiFeO3 films with in-plane compressive strain of -3.5% were deposited on oxygen-deficient La0.3Sr0.7MnO3-delta buffered SrTiO3(001) substrates. This highly strained BiFeO3 does not relax directly into its rhombohedral parent phase upon increasing the film thickness. Instead, a multi-step path involving structural transitions is observed. The misfit stress is first accommodated by the occurrence of true tetragonal BiFeO3 with c/a ratio of 1.23, then reduced by the transformation to the M-C-type monoclinic structure, and finally alleviated through the M-C-rhombohedral transition. Moreover, this process enables the formation of strain-driven morphotropic phase boundaries at a stress level much lower than the reported threshold of -4.5%. (C) 2014 AIP Publishing LLC.
学科领域Physics
DOI10.1063/1.4864077
收录类别SCI
WOS记录号WOS:000331644100095
引用统计
被引频次:9[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/224826
专题多学科研究中心
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Fu, Z,Yin, ZG,Chen, NF,et al. Tetragonal-tetragonal-monoclinic-rhombohedral transition: Strain relaxation of heavily compressed BiFeO3 epitaxial thin films[J]. APPLIED PHYSICS LETTERS,2014,104(5):52908.
APA Fu, Z.,Yin, ZG.,Chen, NF.,Zhang, XW.,Zhao, YJ.,...&王焕华.(2014).Tetragonal-tetragonal-monoclinic-rhombohedral transition: Strain relaxation of heavily compressed BiFeO3 epitaxial thin films.APPLIED PHYSICS LETTERS,104(5),52908.
MLA Fu, Z,et al."Tetragonal-tetragonal-monoclinic-rhombohedral transition: Strain relaxation of heavily compressed BiFeO3 epitaxial thin films".APPLIED PHYSICS LETTERS 104.5(2014):52908.
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