Giant improper ferroelectricity in the ferroaxial magnet CaMn 7O 12
In rhombohedral CaMn 7O 12, an improper ferroelectric polarization of magnitude 2870μCm -2 is induced by an incommensurate helical magnetic structure that evolves below T N1=90K. The electric polarization was found to be constrained to the high symmetry threefold rotation axis of the crystal structu...
Үндсэн зохиолчид: | Johnson, R, Chapon, L, Khalyavin, D, Manuel, P, Radaelli, P, Martin, C |
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Формат: | Journal article |
Хэл сонгох: | English |
Хэвлэсэн: |
2012
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Ижил төстэй зүйлс
Ижил төстэй зүйлс
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