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Above-Band Gap Photoinduced Stabilization of Engineered Ferroelectric Domains

Mai, Haoxin; Lu, Teng; Li, Qian; Liu, Zhifu; Li, Yongxiang; Kremer, Felipe; Li, Li; Withers, Ray L; Wen, Haidan; Liu, Yun

Description

The effect of above-band gap photons on the domains of the BiFeO3 (BFO) thin film was investigated via piezoresponse force microscopy and Kelvin probe force microscopy. It is found that under above-band gap illumination, the relaxation time of the polarization state was significantly extended, while the effective polarizing voltage for the pristine domains was reduced. We propose that this photoinduced domain stabilization can be attributed to the interaction between photogenerated surface...[Show more]

CollectionsANU Research Publications
Date published: 2018-04-18
Type: Journal article
URI: http://hdl.handle.net/1885/202382
Source: ACS applied materials & interfaces
DOI: 10.1021/acsami.8b00254
Access Rights: Open Access

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