強誘電セラミックスSr(Li_<1/4>Nb_<3/4>)O_3-PbTiO_3の誘電的・圧電的研究

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概要

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• The ferroelectric ceramics of solid solutions xSr(Li_<1/4>Nb_<3/4>)O_3-(1-x)PbTiO_3(0.05≨x≨0.40)were fabricated by conventional solid state sintering. The dielectric constants, Curie temperature, electromechanical coupling factors, and linear thermal expansion were measured as a function of x. The piezoelectric constants, elastic compliance constants, and Poisson's ratio of the specimens were calculated from the measured piezoelectric properties. Maximum coupling factors k_<31> and k_<33>and maximum piezoelectric constants d_<31> and d_<33> were obtained for the composition x=0.30, which is located close to the phase boundary between the ferroelectric tetragonal and the paraelectric cubic phases.

• 社団法人日本セラミックス協会の論文
• 1995-03-01

著者

• 横須賀 勝

  いわき明星大学理工学部物性工学科

関連論文

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• Pb_La_x(Zr_yTi_)_O_3(PLZT)セラミックスの相境界近傍の透過型電子顕微鏡(TEM)によるグレイン構造,強誘電ドメイン構造の観察
• 強誘電セラミックスSr(Li_Nb_)O_3-PbTiO_3の誘電的・圧電的研究

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