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Figure 7
(a) Temperature-dependent relative lattice parameters and unit-cell volumes. The fit with a thermal equation of state (EoS; Holland & Powell, 2011BB10) includes a term for the thermal expansion saturation at low temperatures. (b) Spontaneous strain derived from the subtraction of a thermal EoS from the lattice parameters. The fits of the power-law functions reveal the critical exponent β and the critical transition temperature Tc.

Journal logoSTRUCTURAL SCIENCE
CRYSTAL ENGINEERING
MATERIALS
ISSN: 2052-5206
Volume 73| Part 5| October 2017| Pages 827-835
https://doi.org/10.1107/S2052520617009295
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