Magnetooptical Study of Spin-Orientation Phase Transition in NdFe3(BO3)4 Single Crystal

V.A. Bedarev; M.I. Pashchenko; D.N. Merenkov; L.N. Bezmaternykh; V.L. Temerov

doi:10.15407/ujpe57.6.648

Magnetooptical Study of Spin-Orientation Phase Transition in NdFe3(BO3)4 Single Crystal

Authors

V.A. Bedarev B.I. Verkin Institute for Low Temperature Physics and Engineering, Nat. Acad. of Sci. of Ukraine
M.I. Pashchenko B.I. Verkin Institute for Low Temperature Physics and Engineering, Nat. Acad. of Sci. of Ukraine
D.N. Merenkov B.I. Verkin Institute for Low Temperature Physics and Engineering, Nat. Acad. of Sci. of Ukraine
L.N. Bezmaternykh L.V. Kirenskii Institute of Physics, Siberian Branch of the Russian Academy of Sciences
V.L. Temerov L.V. Kirenskii Institute of Physics, Siberian Branch of the Russian Academy of Sciences

DOI:

https://doi.org/10.15407/ujpe57.6.648

Keywords:

Abstract

The magnetic field dependences of birefringence in a NdFe₃(BO₃)₄ single crystal have been measured in the case where the direction of light propagation coincides with the trigonal crystal axis C₃ (k ║ C₃), and the external magnetic field is oriented along the second-order axis C₂ (H ║ C₂). In the temperature range, in which an incommensurate phase exists with the formation of a long-period antiferromagnetic helix, the strongly pronounced jumps in the field dependence of birefringence are revealed and identified as a first-order spin-orientation phase transition. The phase transition was accompanied by a hysteresis in the field dependences of birefringence. The H–T phase diagram for a NdFe₃(BO₃)₄ single crystal has been plotted in the case where the magnetic field is oriented along the crystal axis C₂ (H ║ C₂).

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Published

2012-06-30

How to Cite

Bedarev, V., Pashchenko, M., Merenkov, D., Bezmaternykh, L., & Temerov, V. (2012). Magnetooptical Study of Spin-Orientation Phase Transition in NdFe3(BO3)4 Single Crystal. Ukrainian Journal of Physics, 57(6), 648. https://doi.org/10.15407/ujpe57.6.648

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Issue

Vol. 57 No. 6 (2012)

Section

Solid matter

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