Journal of Applied Crystallography

Volume 33, Part 4 (August 2000)

J. Appl. Cryst. (2000). 33, 1175-1176    [doi:10.1107/S0021889800007275]

High-pressure studies of the cubic to rhombohedral transformation in NbO₂F

S. Carlson

Abstract: The Pmm to Rc high-pressure transition of NbO₂F has been studied in detail using diamond anvil cells and synchrotron X-ray radiation. The transition starts at 0.28  GPa and is complete at 0.65  GPa. The bulk modulus for the cubic phase became 24.8  (11)  GPa, which is roughly two times higher than for the rhombohedral phase.

Online 1 August 2000

	Text file (1408.6 kbytes) Two-theta versus intensity
	Text file (1.5 kbytes) Indexed powder diffraction patterns
	PDF file (165.4 kbytes) Observed and calculated diffraction patterns with difference plots for (a) cubic NbO2F at 0.07 GPa, and (b) rhombohedral NbO2F at 1.40 GPa

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