New effect of magnetic fields on structural phase transitions: stimulated cooperative Jahn-Teller effect
Vekhter B. G. , Golubev V. N. , Kaplan M. D.
A new effect of a magnetic field on structural phase transitions is demonstrated in the particular cases of the Jahn-Teller crystals ТЪХ Gd{ _x V04 and TmP04. In particular, it is predicted that the field will raise the transition temperature, induce an internal phase, and give rise to an unusual magnetostriction.