Ultrafast Polarization Switching in Ferroelectric Polymer Thin Films at Extremely High Electric Fields
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概要
- 論文の詳細を見る
Polarization switching dynamics at extremely high electric fields were measured for a 50-nm-thick ferroelectric vinylidene fluoride/trifluoroethylene copolymer film. Using a fast-rise voltage pulse with minimal duration, we obtained a switching time of as fast as 2 ns at an electric field of 800 MV/m without electrical breakdown. Departure from an exponential law toward a power law was detected above 300 MV/m. Distorted switching curves due to limited voltage rise time were shown to be reproducible by means of nonlinear superposition.
- 2011-03-25
著者
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Ishii Hajime
Faculty Of Science Kyushu University
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Furukawa Takeo
Faculty Of Science Tokyo University Of Science
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Nakajima Takashi
Faculty Of Science Tokyo University Of Science
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Takahashi Yoshiyuki
Faculty Of Engineering Science Osaka University
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Nakajima Takashi
Faculty of Science, Tokyo University of Science, Shinjuku, Tokyo 162-8601, Japan
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Takahashi Yoshiyuki
Faculty of Science, Tokyo University of Science, Shinjuku, Tokyo 162-8601, Japan
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Furukawa Takeo
Faculty of Science, Tokyo University of Science, Shinjuku, Tokyo 162-8601, Japan
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