Vibrational Properties and Phase Transitions of Silicon Clathrates Studied by High-Pressure Raman Scattering
Bibliographic Information
- Other Title
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- ラマン分光によるシリコンクラスレートのゲストおよびホストの振動と高圧相転移の研究
Description
Silicon clathrates are covalent bonded cage-like crystals composed of face-sharing Si20, Si24, and Si28 polyhedra in which guest atoms are occupied. These compounds continue to attract much attention as new superconductors, unusual wide-bandgap semiconductor, and a new class of thermo-electric materials. Vibrational properties of guests and host lattice, and the guest-host interactions are studied by high-pressure Raman spectroscopy. By considering these results and high-pressure phase transitions of Si clathrates, we investigate their characteristics depending on guests and cage-structures.
Journal
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- Butsuri
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Butsuri 60 (7), 543-546, 2005
The Physical Society of Japan
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Details 詳細情報について
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- CRID
- 1390282680381969792
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- NII Article ID
- 130004181334
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- ISSN
- 24238872
- 00290181
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- Text Lang
- ja
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- Data Source
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- JaLC
- CiNii Articles
- KAKEN
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- Abstract License Flag
- Disallowed