Effect of a Two-Dimensional Pressure on the Curie Points of Triglycine Sulphate and Rochelle Salt
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概要
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The effect of a two-dimensional pressure perpendicular to the ferroelectric axis on the Curie temperatures of triglycine sulphate (TGS) and Rochelle salt (RS) was studied. The Curie temperatures T_c varied linearly with the pressure p within the pressure range studied (p<100 bar). The rate of the T_c shift was ∂T_c/∂p=13±1 for TGS, ∂T_c/∂p=-22±1 for the upper Curie point of RS and ∂T_c/∂p=30±2 for the lower Curie point of RS, all in ℃/k bar. These results agree with the predictions of the phenomenological theory (Ginzberg-Devonshire theory) and Janovec's theory (V. Janovec: J. chem. Phys. 45 (1966) 1874).
- 社団法人日本物理学会の論文
- 1972-11-05
著者
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Mori Kojiro
Department Of Applied Physics Faculty Of Engineering Nagoya University:(present Address) Fujitsu Lab
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HAYASHI Mitsuhiko
Department of Applied Physics, Faculty of Engineering, Nagoya University
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Hayashi Mitsuhiko
Department Of Applied Physics Faculty Of Engineering Nagoya University
関連論文
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