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Field anomaly of magnetic linear birefringence in
magnetoelectric LiCoPO4
Kharchenko M.F., Myloslavska O.V., Kharchenko Y.M., *Schmid
H., *Rivera J-P.
B.Verkin Institute for Low Temperature Physics and Engineering
of NAS of Ukraine,
47 Lenin ave., 310164 Kharkiv, Ukraine
*Department of Mineral, Analytical & Applied Chemistry,
University of Geneva, Sciences II, CH-1211 Geneva 4, Switzerland
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Investigations of the magnetic field induced linear and circular birefringence
in the antiferromagnetic magnetoeleclric crystal LiCoPO4 were
performed. A step-like change at H~20 kOe accompanied by magnetic hysteresis
possessing high-field long tail was revealed. The behaviour of induced
birefringence points to the magnetic field induced spin-reorientation phase
transition to a non-collinear incommensurate structure
Key words: magnetoelectric, antiferromagnetic, birefringence
doi: 10.3116/16091833/1/1/16/2000 |
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References
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and LiNiPO4. J.Phys. Chem. Solids 27: 1192-1193.
doi:10.1016/0022-3697(66)90097-7 http://dx.doi.org/10.1016/0022-3697(66)90097-7
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theory. Phys. Rev. B. |