Review Article
Prospects for Ferroelectrics: 2012–2022
Table 1
Requirements for ferroelectrically-induced ferromagnetism (after Birss [
51]); see also Ederer and Fennie [
78].
| Magnetic point group symmetry | Relationship required between P and M | Spin canting via ferroelectricity |
| 1 | None | Allowed | | parallel ; parallel | Allowed | | parallel ; perpendicular | Allowed | 2′ | perpendicular ; parallel 2′ | Allowed | | parallel 2′; perpendicular | Allowed | 2 or | parallel parallel 2 | Forbidden | 3 or 3 or 4; 4 or 6 or 6 | parallel parallel principal axis | Forbidden |
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