metamagnetic transition 

https://doi.org/10.1351/goldbook.M03870
An antiferromagnetic to ferromagnetic transition for Happlied>Hc and/or T>Tt where Hc and Tt refer to the critical magnetic field and transition temperature, respectively.
Source:
PAC, 1994, 66, 577. (Definitions of terms relating to phase transitions of the solid state (IUPAC Recommendations 1994)) on page 586 [Terms] [Paper]
Citation: 'metamagnetic transition' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. https://doi.org/10.1351/goldbook.M03870 RIS BibTex EndNote
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Last revised: February 24, 2014