Spatial Coupling of Ferroelectric Domain Walls and Crystallographic Defects in the PbTiO3 Films

IMR OpenIR

	Spatial Coupling of Ferroelectric Domain Walls and Crystallographic Defects in the PbTiO3 Films
	Liu, Y; Tang, YL; Zhu, YL; Wang, WY; Ma, XL; Ma, XL (reprint author), Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Wenhua Rd 72, Shenyang 110016, Peoples R China.
	2016-08-05
发表期刊	ADVANCED MATERIALS INTERFACES
ISSN	2196-7350
卷号	3 期号:15
摘要	Revealing interactions between defects and domain walls is important for understanding the ferroelectric and piezoelectric behaviors of a ferroelectric film, especially when considering the trend of device downscaling. By means of aberration-corrected transmission electron microscopy, domain patterns resulting from the interactions between 90 degrees/180 degrees ferroelectric domain walls and dislocations in the PbTiO3 thin films grown on SrTiO3 are systematically studied. It is found that the coupling of 90 degrees and 180 degrees domain walls with dislocations may induce the formation of 90 degrees charged domain walls and some other novel metastable domain configurations. Such domain patterns are observed to relax with 180 degrees domain walls annihilation and the reversal of polarization directions of a-and c-domain. The configurations of both dislocations and stacking faults may lead to a dramatic change of the domain patterns. Unusual dislocation strain field is identified for a dislocation with the burgers vector 45 degrees apart from a 90 degrees domain wall. These results provide new insights into the defect and domain wall interactions which are of critical importance for the development of nanoscale devices.
部门归属	[liu, ying ; tang, yun-long ; zhu, yin-lian ; wang, wen-yuan ; ma, xiu-liang] chinese acad sci, inst met res, shenyang natl lab mat sci, wenhua rd 72, shenyang 110016, peoples r china
学科领域	Chemistry, Multidisciplinary ; Materials Science, Multidisciplinary
资助者	National Natural Science Foundation of China [51231007, 51571197, 51501194, 51521091]; National Basic Research Program of China [2014CB921002]
收录类别	sci
语种	英语
WOS记录号	WOS:000383782400019
引用统计	被引频次：25[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.imr.ac.cn/handle/321006/76309
专题	中国科学院金属研究所
通讯作者	Ma, XL (reprint author), Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Wenhua Rd 72, Shenyang 110016, Peoples R China.
推荐引用方式 GB/T 7714	Liu, Y,Tang, YL,Zhu, YL,et al. Spatial Coupling of Ferroelectric Domain Walls and Crystallographic Defects in the PbTiO3 Films[J]. ADVANCED MATERIALS INTERFACES,2016,3(15).
APA	Liu, Y,Tang, YL,Zhu, YL,Wang, WY,Ma, XL,&Ma, XL .(2016).Spatial Coupling of Ferroelectric Domain Walls and Crystallographic Defects in the PbTiO3 Films.ADVANCED MATERIALS INTERFACES,3(15).
MLA	Liu, Y,et al."Spatial Coupling of Ferroelectric Domain Walls and Crystallographic Defects in the PbTiO3 Films".ADVANCED MATERIALS INTERFACES 3.15(2016).