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Figure 5
Variation as a function of temperature of unit-cell parameters for spinel samples of different compositions across the MgxCu1 − xCr2O4 join. (a) CuCr2O4; (b) Mg0.10Cu0.90Cr2O4; (c) Mg0.18Cu0.82Cr2O4; (d) Mg0.46Cu0.54Cr2O4. The values of a0 are the lattice parameters of the respective cubic parent phase extrapolated from high temperature into the stability field of the tetragonal phase.

Volume 3| Part 5| September 2016| Pages 354-366
ISSN: 2052-2525