Persistent and Reversible Phase Control in GdMnO$_3$ near the Phase Boundary

Details Persistent and Reversible Phase Control in GdMnO$_3$ near the Phase Boundary Persistent and Reversible Phase Control in GdMnO$_3$ near the Phase Boundary

2009-01-15

arxiv.org/abs/0901.2181v1

Journal of Physics: Conference Series 150, 042106 (2009) (4pages).

Physics

Condensed Matter

Strongly Correlated Electrons

4 pages, 2 figures, proceeding of 25th International Conference on Low Temperature Physics LT25

Scientific paper

10.1088/1742-6596/150/4/042106

We have investigated temperature and magnetic-field dependence of dielectric properties in the orthorhombic GdMnO$_3$ single crystal which is located near the phase boundary between the ferroelectric/spiral-antiferromagnetic phase and the paraelectric/$A$-type-antiferromagnetic one. In this compound, strong phase competition between these two phases results in a unique phase diagram with large temperature and magnetic-field hystereses. Based on the phase diagram, we have successfully demonstrated the persistent and reversible phase switching between them by application of magnetic fields.

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