Ferroelectricity of Solid Solution Pb[(Yb_<1/2>Nb_<1/2>)_<1/3>Zr_<2/3>]O_3
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概要
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Studies were conducted on the ferroelectric properties of Pb[(Yb_<1/2>Nb_<1/2>)_<1/3>Zr_<2/3>]O_3 which is considered to be a solid solution consisting of antiferroelectric compounds, Pb(Yb_<1/2>Nb_<1/2>)O_3 and PbZrO_3, in the mole ratio of 1:2. The crystal structure was determined to be perovskite type of tetragonal symmetry with lattice constants a_T=4.158 Å and c_r=4.116 Å. The Curie temperature was found to be 150℃. The remanent polarization, P_r=6.8μC/cm^2, and the electromechanical coupling factor, κ_<33>=0.20, were obtained at room temperature. Finally, the nature of the ferroeleotricity of Pb[(Yb_<1/2>Nb_<1/2>)_<1/3>Zr_<2/3>]O_3 was briefly discussed.
- 社団法人応用物理学会の論文
- 1994-08-01
著者
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YOKOSUKA Masaru
Iwaki Meisei University
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Yokosuka Masaru
Faculty Of Science And Engineering Iwaki-meisei University
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