| Autor: |
Kharchenko, Yu. M., Miloslavskaya, O. V., Kharchenko, M. F. |
| Předmět: |
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| Zdroj: |
Low Temperature Physics; Nov2014, Vol. 40 Issue 11, p1029-1031, 3p, 2 Graphs |
| Abstrakt: |
A linear magneto-optical effect, birefringence of linearly polarized light that is directly proportional to magnetic field strength, is observed in magnetoelectric crystals of the orthophosphate LiNiPO4. This effect is especially pronounced in the incommensurate antiferromagnetic phase of the crystal. The linear magneto-optical effect indicates that the magnetic symmetry groups of the incommensurate, as well as the commensurate, phases of antiferromagnetic LiNiPO4 lack an anti-inversion operation. This fact is consistent with the existence of ultraweak ferromagnetism in the crystal and indicates that this antiferromagnet has more complicated magnetic structures than those found in neutron diffraction experiments. [ABSTRACT FROM AUTHOR] |
| Databáze: |
Complementary Index |
| Externí odkaz: |
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