Ferroelectric Switching Dynamics of Topological Vortex Domains in a Hexagonal Manganite

被引：99

作者：

Han, Myung-Geun ^{[1
]}

Zhu, Yimei ^{[1
]}

Wu, Lijun ^{[1
]}

Aoki, Toshihiro ^{[2
]}

Volkov, Vyacheslav ^{[1
]}

Wang, Xueyun ^{[3
,4
]}

Chae, Seung Chul ^{[3
,4
]}

Oh, Yoon Seok ^{[3
,4
]}

Cheong, Sang-Wook ^{[3
,4
]}

机构：

[1] Brookhaven Natl Lab, Upton, NY 11973 USA

[2] JEOL USA Inc, Peabody, MA 01960 USA

[3] Rutgers State Univ, Rutgers Ctr Emergent Mat, Piscataway, NJ 08854 USA

[4] Rutgers State Univ, Dept Phys & Astron, Piscataway, NJ 08854 USA

来源：

ADVANCED MATERIALS | 2013年 / 25卷 / 17期

基金：

美国国家科学基金会;

关键词：

ferroelectrics; topological defects; domain wall; in situ TEM; domain switching; COSMOLOGICAL EXPERIMENTS; YMNO3; DEFECTS; TRANSITION; WALLS;

D O I：

10.1002/adma.201204766

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Field-induced switching of ferroelectric domains with a topological vortex configuration is studied by atomic imaging and electrical biasing in an electron microscope, revealing the role of topological defects on the topologically-guided change of domain-wall pairs in a hexagonal manganite.

引用

页码：2415 / 2421

页数：7

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