Pressure Dependence of the Structural Phase Transition Temperature in SrTiO_3 and KMnF_3
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概要
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The pressure dependence of the structural phase transition temperature, T_a, in SrTiO_3 has been measured up to 30 kbar. The initial slope of 1.8 deg/kbar by Sorge et al. (1970) has been reaffirmed contrary to the prediction by Fossheim and Berre (1972): dT_a/dp=0.5 deg/kbar. Above 8.5 kbar the transition temperature shifts nonlinearly with increasing pressure. As for the cubic-tetragonal transition temperature of KMnF_3 the measurements to 10 kbar show a linear shift: dT_a/dp=3.9 deg/kbar. Above 10 kbar a deviation from linearity seems to set in.
- 社団法人日本物理学会の論文
- 1975-07-15
著者
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Okai Bin
National Institute For Research In Inorganic Materials
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Yoshimoto Jiichiro
National Institute For Researchs In Inorganic Materials
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Yoshimoto Jiichiro
National Institute For Researches In Inorgamic Materials
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Okai Bin
National Institute For Researchs In Inorganic Materials
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