Critical Behavior in Thermal Expansion Coefficient and Dielectric Constant of Triglycine Sulfate

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概要

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• Measurements of the thermal expansion coefficient and the dielectric constanthave been made for the uniaxial ferroelectric triglycine sulfate (TGS) along theferroelectric Z>-axis. Deviations from Landau-like behavior are observed in thevicinity of the critical temperature. Some attempts of logarithmic corrections tothese results are made on the basis of the Larkin-Khmel'nitskii prediction. Theparameters in the theory are determined by examining the dielectric constant forclamped crystal and the thermal expansion coefficient. Agreement between thetheor>' and the rresent exreriments are good over the temr>erature ranse r - r.-:,3 K in the paraelectric phase.

• 社団法人日本物理学会の論文
• 1979-07-15

著者

• DEGUCHI Kiyoshi

  Faculty of Science,Hiroshima University

• Deguchi Kiyoshi

  Faculty Of Science Hiroshima University

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• Dielectric Critical Slowing-Down in Ferroelectric (CH_3NHCH_2COOH)_3・CaCl_2
• Effects of Deuteration on the Dielectric Properties of Ferroelectric CsH_2PO_4.II.Dynamic Dielectric Properties
• Effects of Deuteration on the Dielectric Properties of Ferroelectric CsH_2PO_4.I.Static Dielectric Properties
• Anomalous Behavior of Spontaneous Strain in Ferroelectric Cesium Dihydrogen Phosphate, CsH_2PO_4
• Birefringence of Ferroelectric Cesium Dihydrogen Phosphate, CsH_2PO_4
• Deviation from the Curie-Weiss Law in KH_2PO_4
• Critical Behavior in Thermal Expansion Coefficient and Dielectric Constant of Triglycine Sulfate
• Effect of Heat-Treatment on Dielectric Dispersion of Ferroelectric Ca_2Sr (C_2H_5CO_2)_6
• Dilatometric Study of Critical Behavior in KH_2PO_4
• Deviations from Landau-Like Behavior in Thermal Expansion Coefficient and Dielectric Constant of TGS
• Effect of Heat-Treatment on Dielectric Properties of Ca_2Sr(C_2H_5CO_2)_6

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