Ferroelectric domains and phase evolution in (Fe:) KTa1−xNbxO3 crystals

Hongyang Zhao,Kang Cai,Ziran Fan,Zhideng Huang,Zhibin Ma,Tingting Jia,Hideo Kimura,Yuguo Yang,Takao Matsumoto,Tetsuya Tohei,Naoya Shibata,Yuichi Ikuhara

Applied Surface Science（2017）

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摘要

•Three phase transitions were observed: the R–O, O–T, T–C evolutions.•KTN ferroelectric domain switching is because of the nano-polar-regions.•The domain evolution showed KTN has triangle shape, but Fe: KTN has straight line.

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关键词

Ferroelectric domain,KTa1−xNbxO3 crystal,Domain switching,Phase evolution,Dielectric properties

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