Raman Spectroscopic and X-Ray Diffraction Study of Sulfur under High Pressure
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概要
- 論文の詳細を見る
Raman spectrum and X-ray powder pattern of orthorhombic sulfur have been examined at pressures up to about 10 GPa. The Raman spectrum shows reversible phase transition at 5.2 GPa, while the X-ray diffraction pattern shows no sign of phase change up to 8.3 GPa. These contradictory results are explained as follows. A high-pressure phase exists above 5.2 GPa. In this pressure region, the metastable orthorhombic phase can also exist. The argon ion laser (λ= 514.5 nm) used for Raman measurement induces a structural transformation from the orthorhombic phase to the high-pressure phase. The Raman spectrum suggests that the high-pressure phase is composed of chain molecules. In addition, evidence for interference between inter- and intramolecular bondings has been observed in this phase.
- 社団法人応用物理学会の論文
- 1992-04-15
著者
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Nishio T
Matsushita Battery Industrial Co. Ltd. Osaka Jpn
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Miyamoto Yasuhiko
Department of Applied Physics, Faculty of Science, Fukuoka University
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Nagata Kiyofumi
Department Of Applied Physics Faculty Of Science Fukuoka University
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Taguchi Hironori
Department Of Applied Physics Faculty Of Science Fukuoka University:(present Address) Kyushu Matsush
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NISHIO Takashi
Department of Applied Physics, Faculty of Science, Fukuoka University
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Miyamoto Yasuhiko
Department Of Applied Physics Faculty Of Science Fukuoka University
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