Observation of Antiparallel Polarization Reversal Using a Scanning Nonlinear Dielectric Microscope
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概要
- 論文の詳細を見る
To realize an ultrahigh density storage system it is indispensable to investigate a forming mechanism of a ferroelectric domain reversal. In this paper, a real-time measuring method of a poling direction is proposed. Using this method, the domain reversal process was observed and an unexpected phenomenon was found, namely, that the poling directions were aligned antiparallel to the poling electric field. This antiparallel poling reversal took place when the film thickness was more than 350 nm in the case of lithium tantalate. At present, the reason and mechanism of the antiparallel poling reversal are uncertain, although it might be related to the concentrated electric field near the cantilever tip.
- Published by the Japan Society of Applied Physics through the Institute of Pure and Applied Physicsの論文
- 2003-09-15
著者
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Cho Yasuo
Research Institute Of Electrical Communication Tohoku University
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Morita Takeshi
Research Institute Of Electrical Communication Tohoku University
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Cho Yasuo
Research Institute of Electrical Communication, Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai, Miyagi 980-8577, Japan
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