Ukrainian Journal of Physical Optics 


Number  1, Volume  1, 2000
Other articles in this issue
Field anomaly of magnetic linear birefringence in magnetoelectric LiCoPO
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

References

1. Rivera J-P, 1994. The linear magnetoelectric effect in LiCoPO4 revisited. Ferroelectrics 161: l47-164.
2. Santoro PP, Segal DJ, Newnham RE, 1966. Magnetic properties of LiCoPO4 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
3. Rivera J-P, Optics of LiCoPO4 single crystal J.Korean Phys. Soc.
4. Kornev I, Rivera J-P, Gentil S, Jansen AGM, Bichurin M, Schmid H and Wyder P, Magnetoelectric properties of LiCoPO4 and LiNiPO4: phenomenological theory. Phys. Rev. B.


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