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Figure 2
Normalized unit-cell parameters, a/a0, c/c0, V/V0, versus pressure for NbO2F in the range 0.07–2.26 GPa. Values of a0, c0 and V0 for the rhombohedral phase were calculated using room-pressure values of a0 and V0 for the cubic phase. Filled circles, triangles and squares represent cubic and rhombohedral a axes, the rhombohedral c axis and the unit-cell volumes, respectively. Grey diamonds represent the normalized intensities of the rhombohedral 113 peak. The solid line represents a fit of the Vinet equation of state to the cubic volume data. Dashed lines are only guides to the eye.

Journal logoJOURNAL OF
APPLIED
CRYSTALLOGRAPHY
ISSN: 1600-5767
Volume 33| Part 4| August 2000| Pages 1175-1176
doi:10.1107/S0021889800007275
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