Ferroelectric Properties of 1 mol% Mg-Doped Stoichiometric Lithium Niobate
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概要
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We investigated the ferroelectric properties of 1 mol% Mg-doped stoichiometric lithium niobate (Mg:SLN), which is a promising material for use as a high-efficiency quasi-phase-matching (QPM) wavelength converter. The ferroelectric properties of Mg:SLN used for fabricating QPM devices have not been clarified yet. In our first experiment, the polarization–electric field ($P$–$E$) hysteresis loop in Mg:SLN was measured and its coercive field and spontaneous polarization were obtained. By measuring the $P$–$E$ hysteresis loop, we investigated the dynamic properties and found a dependence of the coercive field on the slope rate of the electric field. Moreover, we obtained the "zero-velocity field" at which domain wall movement starts.
- Published by the Japan Society of Applied Physics through the Institute of Pure and Applied Physicsの論文
- 2007-04-15
著者
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Kurimura Sunao
National Institute For Materials Science
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NAKAJIMA Hirochika
Department of Applied Physics, Waseda University
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Hodoyama Keiji
Department Of Applied Physics Waseda University
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Maruyama Masayuki
Department Of Surgery Shinshu University School Of Medicine
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Hodoyama Keiji
Department of Applied Physics, Waseda University, 51-6-5, 3-4-1 Okubo, Shinjuku, Tokyo 169-8555, Japan
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Nakajima Hirochika
Department of Applied Physics, School of Science and Engineering, Waseda University, 3-4-1 Ohkubo, Shinjuku-ku, Tokyo 169-8555, Japan
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Nakajima Hirochika
Department of Applied Physics, Waseda University, 51-6-5, 3-4-1 Okubo, Shinjuku, Tokyo 169-8555, Japan
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Maruyama Masayuki
Department of Applied Physics, Waseda University, 51-6-5, 3-4-1 Okubo, Shinjuku, Tokyo 169-8555, Japan
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Kurimura Sunao
National Institute for Material Science (NIMS), Tsukuba, Ibaraki 305-0044, Japan
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