PRE-MELTING MODE IN THE DISORDERED KNO_3 CRYSTAL OBSERVED BY THE LOW-FREQUENCY RAMAN SCATTERING(Session I : Cross-Disciplinary Physics, The 1st Tohwa University International Meeting on Statistical Physics Theories, Experiments and Computer Simulations)
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概要
- 論文の詳細を見る
この論文は国立情報学研究所の電子図書館事業により電子化されました。On heating, potassium nitrate, KNO_3 undergoes a structural phase transition from the orthorhombic structure (phase II) to the trigonal structure (phase I) at 403 K(T_c) and melts at 606 K(T_m). The central peak in low-frequency Raman scattering spectra of KNO_3 was studied from room temperature up to 130 K above the melting point T_m. A drastic growth was observed with increasing temperature below and above T_m. The spectra were numerically analyzed and the results revealed that the central peak of KNO_3 consists of two spectral components; one is common between the solid state phase I and the molten state, and the other is sensitive for melting process.
- 物性研究刊行会の論文
- 1996-06-20
著者
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Yagi Toshirou
Research Institute Of Applied Electricity Hokkaido University:department Of Physics Faculty Of Scien
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Sanada Mizuho
Department of Electrical Engineering, Kyushu Kyoritsu University
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Yagi Toshirou
Reseach Institute For Electronic Science Hokkaido University
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Sanada Mizuho
Department Of Electrical Engineering Kyushu Kyoritsu University
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