An in situ Raman study on katoite Ca3Al2(O4H4)3 at high pressure

We report on in situ high–pressure Raman spectroscopic study of hydrogrossular, katoite Ca3Al2(O4H4)3, in a diamond–anvil cell under hydrostatic conditions at room temperature. The variations of vibration modes were analyzed theoretically by factor group analysis. Three characteristic Raman peaks ob...

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Veröffentlicht in:	Journal of Mineralogical and Petrological Sciences 2019, Vol.114(1), pp.18-25
Hauptverfasser:	KATO, Masato, KYONO, Atsushi
Format:	Artikel
Sprache:	eng
Schlagworte:	Coefficients Compression Derivatives Diamonds Gruneisen parameter High pressure Hydrogen bonds Hydrogrossular Lattice vibration Modes Parameters Phase transition Phase transitions Pressure Pressure dependence Raman spectroscopy Stretching Symmetry Tetrahedra Vibration Vibration analysis Vibration mode
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