A Central Peak in the Order-Disorder Phase Transition of Sodium Nitrate
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概要
- 論文の詳細を見る
A Central Peak in the low-frequency Raman spectra of sodium nitrate has beenobserved in a temperature range from room temperature to above the phasetransition point (7'.). The central peak in the x(zz)y geometry is strongly do-pendent on temperature. Its intensity and width show an anomaly in temperaturedependence near T.. The anomalous part of the intensity is well expressed by afunction of temperature (T. -7')"' with a critical index of the order parameter.The origin of the central peak is assigned to an intrinsic one, that is, a motionof NO; tons which becomes active with increasing temperature.
- 社団法人日本物理学会の論文
- 1985-10-15
著者
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SAKAI Akira
Department of Crystalline Materials Science, Graduate School of Engineering, Nagoya University
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YAGI Toshirou
Department of Physics,Kyushu University
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Yagi Toshirou
Department Of Physics Faculty Of Science Kyushu University
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Yasaka Hiroshi
Department Of Physics Kyushu University
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Sakai Akira
Department Of Agricultural Chemistry The University Of Tokyo
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