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Scheelite CaWO 4 at high pressures

Title data

Grzechnik, Andrzej ; Crichton, Wilson A. ; Hanfland, Michael ; van Smaalen, Sander:
Scheelite CaWO 4 at high pressures.
In: Journal of Physics: Condensed Matter. Vol. 15 (2003) Issue 43 . - pp. 7261-7270.
ISSN 0953-8984
DOI: https://doi.org/10.1088/0953-8984/15/43/010

Official URL: Volltext

Abstract in another language

The high-pressure room-temperature behaviour of scheelite CaWO 4 ( I 4 1 / a , Z = 4) is studied using high-resolution synchrotron angle-dispersive x-ray powder diffraction in diamond anvil cells loaded with helium or a mixture of methanol and ethanol as the pressure-transmitting media. At about 10 GPa, there occurs a phase transition to the fergusonite type ( I 2/ a , Z = 4) without any discontinuity in the pressure dependence of the unit cell volumes. These observations are discussed in relation to the high-pressure–high-temperature systematics of the AMX 4 and AX 2 type compounds.

Further data

Item Type: Article in a journal
Refereed: Yes
Institutions of the University: Faculties > Faculty of Mathematics, Physics und Computer Science > Group Material Sciences > Chair Crystallography
Faculties > Faculty of Mathematics, Physics und Computer Science > Group Material Sciences > Chair Crystallography > Chair Crystallography - Univ.-Prof. Dr. Sander van Smaalen
Faculties
Faculties > Faculty of Mathematics, Physics und Computer Science
Faculties > Faculty of Mathematics, Physics und Computer Science > Group Material Sciences
Result of work at the UBT: Yes
DDC Subjects: 500 Science > 530 Physics
Date Deposited: 18 Mar 2016 08:16
Last Modified: 18 Mar 2016 08:16
URI: https://eref.uni-bayreuth.de/id/eprint/31911