High-density array of ferroelectric nanodots with robust and reversibly switchable topological domain states

Author:

Li Zhongwen1ORCID,Wang Yujia2,Tian Guo1,Li Peilian1ORCID,Zhao Lina1ORCID,Zhang Fengyuan1ORCID,Yao Junxiang1ORCID,Fan Hua1ORCID,Song Xiao1ORCID,Chen Deyang1,Fan Zhen1,Qin Minghui1,Zeng Min1ORCID,Zhang Zhang1,Lu Xubing1,Hu Shejun1,Lei Chihou3ORCID,Zhu Qingfeng4,Li Jiangyu45ORCID,Gao Xingsen1ORCID,Liu Jun-Ming16ORCID

Affiliation:

1. Institute for Advanced Materials and Guangdong Provincial Key Laboratory of Quantum Engineering and Quantum Materials, South China Normal University, Guangzhou 510006, China.

2. Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences, 72 Wenhua Road, Shenyang 110016, China.

3. Department of Aerospace and Mechanical Engineering, Saint Louis University, St. Louis, MO 63103–1110, USA.

4. Shenzhen Key Laboratory of Nanobiomechanics, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, Guangdong 518055, China.

5. Department of Mechanical Engineering, University of Washington, Seattle, WA 98195–2600, USA.

6. National Laboratory of Solid State Microstructures and Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing 21009, China.

Abstract

Robust and reversible polar topological center domains were found in BiFeO 3 nanodots, which are individually controllable.

Funder

The Natural Science Foundation of China

The National Key Research and Development Program of China

The Natural Science Foundation of Guangdong Province

the Project for Guangdong Province Universities and Colleges Pearl River Scholar Funded Scheme (2014),Science and Technology Planning Project of Guangdong Province

the State Key Program for Basic Researches of China

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

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