Melting Pressure and the Phase Diagram of Magnetically Ordered Solid
- 14 July 1986
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 57 (2) , 222-225
- https://doi.org/10.1103/physrevlett.57.222
Abstract
From high-resolution measurements of the melting pressure of solid in applied fields, we determine the entropy and order of the magnetic phase transitions. We find the entropy discontinuity at the first-order antiferromagnetic transition to decrease as the field increases. No entropy discontinuity is seen at the paramagnetic to high-field transition, indicating that it is not first order.
Keywords
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