Birefringence and Phase Transitions in SbSI
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概要
- 論文の詳細を見る
The precise birefringence spectra of SbSI have been measured in the paraelectricand ferroelectric phases as a function of temperature. A drastic change of thebirefringence was observed at the first order transition temperature of l5.70'Cand anomalous behavior was observed at the second order transition temperatureof -36.61 'C. These two tra.nsition temperatures are in good agreement withthose obtained from the measurements of band edge shift. From the log-log plotof birefringence versus T, their critical exponen.ts (/7) and their critical regionCe=lT -T.1/T.) were determined. For the second order transition, #=0.51i0.O1(7'< T.) and /7=0.53 ::L0.01 (III.) were obtained. As for the first order transition,p shows the e dependence, and in a>5xl0-' region, /7=0.38f0.01, but ine<5 x 10 ', /7=0.53f0.01.
- 社団法人日本物理学会の論文
- 1978-05-15
著者
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Uchinokura Kunimitsu
Institute of Physics, University of Tsukuba
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Matsuura Etsuyuki
Institute of Physics, University of Tsukuba
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Uchinokura Kunimitsu
The University Of Tsukuba
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INUSHIMA Takashi
The University of Tsukuba
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MATSUURA Etsuyuki
The University of Tsukuba
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INUSHIMA Takashi
Institute of Physics,University of Tsukuba
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Matsuura Etsuyuki
Institute Of Physics University Of Tsukuba
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