A transition specific to
α-Fe2O3
in which there is a change in the direction of the atomic magnetic moments in the
antiferromagnetic state from parallel to perpendicular to the
c-axis. Synonymous with spin-flop transition.
Source:
PAC, 1994, 66, 577
(Definitions of terms relating to phase transitions of the solid state (IUPAC Recommendations
1994))
on page 587