Abstract
The generic magnetic phase diagram of multiferroic RMn2O5 (with R=Y, Ho, Tb, Er, Tm), which allows different sequences of ordered magnetic structures for different R's and different control parameters, is described using order parameters which explicitly incorporate the magnetic symmetry. A phenomenological magnetoelectric coupling is used to explain why some of these magnetic phases are also ferroelectric. Several new experiments, which can test this theory, are proposed.
| Original language | English |
|---|---|
| Article number | 217202 |
| Journal | Physical Review Letters |
| Volume | 100 |
| Issue number | 21 |
| DOIs | |
| State | Published - 30 May 2008 |
ASJC Scopus subject areas
- General Physics and Astronomy
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