Intrinsic Switching Characteristics of Ferroelectric Ultrathin Vinylidene Fluoride/Trifluoroethylene Copolymer Films Revealed Using Au Electrode
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概要
- 論文の詳細を見る
Time-domain measurements of ferroelectric polarization reversal were conducted for spin-coated ultrathin vinylidene fluoride/trifluoroethylene copolymer films deposited with an Au electrode. It was found that full polarization reversal occurs in 50–330-nm-thick films that have switching time independent of the film thickness. We conclude that the thinning-induced increase in switching time reported previously is not a general feature of this copolymer but is specific to an Al-electrode-deposited sample. The intrinsic switching characteristics revealed here include the broadening of the switching time distribution with thinning, which is attributed to the nonuniform electric field caused by surface roughness.
- INSTITUTE OF PURE AND APPLIED PHYSICSの論文
- 2005-10-10
著者
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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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Abe Ryosuke
Faculty Of Science Tokyo University Of Science
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Abe Ryosuke
Faculty of Science, Tokyo University of Science, Shinjuku, Tokyo 162-8601, Japan
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- Intrinsic Switching Characteristics of Ferroelectric Ultrathin Vinylidene Fluoride/Trifluoroethylene Copolymer Films Revealed Using Au Electrode