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PbTiO3/SrTiO3(001)复杂畴组态和缺陷的研究
Alternative TitleStudy of complex domain configuration and lattice defects in PbTiO3/SrTiO3(001)thin films
冯燕朋1; 朱银莲1; 唐云龙1; 马秀良1
2018
Source Publication电子显微学报
ISSN1000-6281
Volume37.0Issue:006Pages:556-562
Abstract用透射电子显微镜对PbTiO3/SrTiO3(001)薄膜内部所形成的复杂畴组态以及畴壁处的位错进行了系统的研究。透射电镜结果和几何相位分析(GPA)表明,薄膜内部两个交叉的a畴内部出现了180°畴壁,导致在局部区域形成了全闭合畴结构,在铁电畴壁处观察到高密度位错。高分辨HAADF-STEM像分析显示,在90°畴壁处容易形成a 型位错,在180°畴壁处容易形成a 型位错,表明位错的形成与铁电畴壁类型存在强耦合关系。
Other AbstractThe complex domain configuration and lattice defects at domain walls in ferroelectric PbTiO 3 thin films grown on SrTiO 3(001)substrates were investigated by transmission electron microscopy(TEM).TEM results and geometry phase analysis(GPA)show that the 180°domain wall forms at the intersections of a domains and further generates flux-closure domain structures.Atomic-scale HAADF-STEM images reveal high density dislocations at ferroelectric domain walls,which have Burgers vectors of a and a ,respectively.The a dislocations are mainly located around 90°domain walls,while the a dislocations are mainly around 180°domain walls.
Keyword铁电薄膜 畴组态 铁电畴壁 晶格缺陷
Indexed ByCSCD
Language中文
CSCD IDCSCD:6399439
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/147739
Collection中国科学院金属研究所
Affiliation1.中国科学院金属研究所
2.中国科学院
3.兰州理工大学
Recommended Citation
GB/T 7714
冯燕朋,朱银莲,唐云龙,等. PbTiO3/SrTiO3(001)复杂畴组态和缺陷的研究[J]. 电子显微学报,2018,37.0(006):556-562.
APA 冯燕朋,朱银莲,唐云龙,&马秀良.(2018).PbTiO3/SrTiO3(001)复杂畴组态和缺陷的研究.电子显微学报,37.0(006),556-562.
MLA 冯燕朋,et al."PbTiO3/SrTiO3(001)复杂畴组态和缺陷的研究".电子显微学报 37.0.006(2018):556-562.
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