"CaWO₄: A new high-pressure and high-temperature phase",
Errandonea D, Somayazulu M, Hausermann D
physica status solidi (b)231, R1-R3 (2002)

PDF file

In this note we report the observation of a quenchable new high-pressure and high-temperature phase of CaWO₄ at 45 GPa after heating to 477 K. The existence of this new phase was verified by energy dispersive x-ray powder diffraction using an external-heated diamond-anvil cell. The monoclinic C2/m structure appears as the most probable for the new phase of CaWO₄ reported here.