Evaluation of Electrical Properties of Leaky BiFeO3 Films in High Electric Field Region by High-Speed Positive-Up--Negative-Down Measurement
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概要
- 論文の詳細を見る
The electrical properties of leaky ferroelectric BiFeO3 thin films were evaluated by using a high-speed positive-up-negative-down (PUND) measurement technique. The leakage current density was estimated from the gradient of the pulse response when a constant electric field was applied. The relative permittivity was estimated from an abrupt decrement when the applied field was removed. The twofold remanent polarization without the influence of the leakage current was estimated by subtracting the contribution of a paraelectric component from the abrupt increment in the pulse response when a positive pulse was applied.
- Japan Society of Applied Physicsの論文
- 2008-06-25
著者
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NAGANUMA Hiroshi
Department of Materials Science and Engineering, Graduate School of Engineering, Osaka University
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OKAMURA Soichiro
Department of Applied Physics, Tokyo University of Science
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Okamura Soichiro
Dep. Of Applied Physics Fac. Of Sci. Tokyo Univ. Of Sci.
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Okamura Soichiro
Department Of Applied Physics Tokyo University Of Science
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Okamura Soichiro
Department Of Applied Physics Faculty Of Science Science University Of Tokyo
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Inoue Yosuke
Department Of Mechanical Engineering Saitama University
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Naganuma Hiroshi
Graduate School Of Engineering Tohoku University
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Naganuma Hiroshi
Department Of Applied Physics Tokyo University Of Science
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Naganuma Hiroshi
Department Of Applied Physics Faculty Of Science Tokyo University Of Science
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