High-Pressure Brillouin Study on Orientationally Disordered Solid Phase I of H_2S and D_2S
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概要
- 論文の詳細を見る
Acoustic velocities, refractive index, and elastic constants in the orientationally disordered solid phase I of D_2S have been determined at pressures up to 5 GPa and room temperature, by Brillouin spectroscopy developed for a single crystal grown in a diamond anvil cell. It has turned out that H_2S and D_2S have large values of the ratio of the longitudinal acoustic velocity to the slow transverse one in the [110] direction, i. e. , 3.22 and 3.30 at 1 GPa, respectively. These results indicate the molecular rotation-translation coupling is effective in the orientationally disordered phase I. These values of this ratio decrease with increasing pressure, which means that the rotation-translation coupling becomes weak with compression, resulting in stronger hydrogen bond in H_2S and D_2S.
- 社団法人日本物理学会の論文
- 1995-09-15
著者
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Sasaki Shigeo
Department of Electronics and Computer Engineering, Gifu University
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Shimizu Hiroyasu
Department Of Electrical Engineering Faculty Of Engineering Gifu University:the Institute Of Optics
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Sasaki Shigeo
Department Of Chemistry Faculty Of Science Kyushu University
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Sasaki Shigeo
Department Of Electronics And Computer Engineering Gifu University
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