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An <i>in situ</i> Raman study on katoite Ca<sub>3</sub>Al<sub>2</sub>(O<sub>4</sub>H<sub>4</sub>)<sub>3</sub> at high pressure
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- Kyono Atsushi
- Graduate School of Life and Environmental Sciences, University of Tsukuba
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- Kato Masato
- Graduate School of Life and Environmental Sciences, University of Tsukuba
Description
We report in situ high-pressure Raman spectroscopic study of katoite in a diamond-anvil cell under hydrostatic conditions from 1.3 to 8.3 GPa at room temperature. Three Raman bands at 332, 537 and 3652 cm-1 were observed continuously up to 8.3 GPa. The most striking characteristic was that above 5.1 GPa the pressure derivative of the O-H stretching vibration of F2g symmetry started to decrease significantly. The result leads to a proof that the phase transition of katoite to the high-pressure phase occurs at around 5 GPa.
Journal
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- Abstracts for Annual Meeting of Japan Association of Mineralogical Sciences
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Abstracts for Annual Meeting of Japan Association of Mineralogical Sciences 2018 (0), 93-, 2018
Japan Association of Mineralogical Sciences
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Details 詳細情報について
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- CRID
- 1390846609793655424
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- NII Article ID
- 130007786163
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- Text Lang
- ja
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- Data Source
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- JaLC
- CiNii Articles
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- Abstract License Flag
- Disallowed