Evaluation of ferroelectric hysteresis loops of leaky multiferroic BiFeO3 films using a system with a high driving frequency of 100 kHz system
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概要
- 論文の詳細を見る
A measurement system with a high driving frequency of 100 kHz is effective for measuring the ferroelectricity of leaky ferroelectric materials such as multiferroic BiFeO3 films. A high driving frequency reduces the measurement time, leading to a drastic reduction in the influence of the leakage current density on ferroelectric hysteresis loops. Phase-delay compensation is essential in a system with a driving frequency of 100 kHz; in this study a standard capacitor was used for phase-delay compensation. The value of remanent polarization of a BiFeO3 film measured by the 100-kHz system was confirmed by a positive, up, negative and down measurement.
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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Naganuma Hiroshi
Department of Applied Physics, Faculty of Science, Tokyo University of Science
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