Lattice Anisotropy in Antiferromagnetic Chromium
- 27 October 1969
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 23 (17), 979-982
- https://doi.org/10.1103/physrevlett.23.979
Abstract
Thermal expansion and magnetostriction measurements on single- single-crystal chromium give the lattice parameter ratios in the orthorhombic phase below the Néel temperature and through the transition to the tetragonal phase at the spin-flip temperature, K. The direction is the longest axis at 300°K and becomes the shortest axis below ∼200°K. The anisotropic discontinuities in length at result in a net volume dilatation, 1.4 × with decreasing temperature.
Keywords
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