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Shape and Surface Charge Modulation of Topological Domains in Oxide Multiferroics
Han, Meng-Jiao; Wang, Yu-Jia; Tang, Yun-Long; Zhu, Yin-Lian; Ma, Jin-Yuan; Geng, Wan-Rong; Zou, Min-Jie; Feng, Yan-Peng; Zhang, Ning-Bin; Ma, Xiu-Liang
2019-01-31
Source PublicationJOURNAL OF PHYSICAL CHEMISTRY C
ISSN1932-7447
Volume123Issue:4Pages:2557-2564
AbstractTopological defects showing exotic properties and diverse functionalities provide us a potential utilization in nanoscale electronic devices. However, the formation mechanism and density manipulation of topological defects such as center-type domains which are crucial for applications remain elusive. Usually, these center-type domains are generated by applying external electric fields in ferroelectrics. In contrast, here we have prepared high-density center-divergent domains in BiFeO3 as self-assembled nanoislands deposited on both Nb- and Fe-doped SrTiO3 substrates. The size and density of these domains can be easily manipulated by varying doping level in substrates. The panorama polar configurations of the center-divergent domains are revealed by piezoresponse force microscopy and Cs-corrected scanning transmission electron microscopy. Phase-field simulations prove that both the surface charge accumulation and the shape of the nanoislands take great effect in the formation of center-type domains. The controllable growth of the nanoislands offers us a promising way to acquire high-density nanoscale nonvolatile memories.
Indexed BySCI
Language英语
WOS IDWOS:000457816600057
PublisherAMER CHEMICAL SOC
Citation statistics
Cited Times:5[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/81429
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
Han, Meng-Jiao,Wang, Yu-Jia,Tang, Yun-Long,et al. Shape and Surface Charge Modulation of Topological Domains in Oxide Multiferroics[J]. JOURNAL OF PHYSICAL CHEMISTRY C,2019,123(4):2557-2564.
APA Han, Meng-Jiao.,Wang, Yu-Jia.,Tang, Yun-Long.,Zhu, Yin-Lian.,Ma, Jin-Yuan.,...&Ma, Xiu-Liang.(2019).Shape and Surface Charge Modulation of Topological Domains in Oxide Multiferroics.JOURNAL OF PHYSICAL CHEMISTRY C,123(4),2557-2564.
MLA Han, Meng-Jiao,et al."Shape and Surface Charge Modulation of Topological Domains in Oxide Multiferroics".JOURNAL OF PHYSICAL CHEMISTRY C 123.4(2019):2557-2564.
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