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...
मुख्य लेखकों: | Johnson, R, Chapon, L, Khalyavin, D, Manuel, P, Radaelli, P, Martin, C |
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स्वरूप: | Journal article |
भाषा: | English |
प्रकाशित: |
2012
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समान संसाधन
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Giant improper ferroelectricity in the ferroaxial magnet CaMn7O12.
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Electric field control of the magnetic chiralities in ferroaxial multiferroic RbFe(MoO4)2.
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