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arXiv · 1108.4186

Complex magnetism and magnetic field-driven electrical polarization in Co$_3$TeO$_6$

M. Hudl·R. Mathieu·S. A. Ivanov·M. Weil·V. Carolus·Th. Lottermoser·M. Fiebig·Y. Tokunaga·Y. Taguchi·Y. Tokura·P. Nordblad
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Abstract

The magnetic and electrical properties of Co$_3$TeO$_6$ single-crystals with corundum related structure reveal a magnetic-field induced polarization below 21 K. A sharp peak in the specific heat at \approx 18 K indicates a reconstructive-type first-order phase transition. From second-harmonic generation (SHG) measurements breaking of inversion symmetry is evident and the point-group symmetry was determined as m. The temperature and magnetic-field dependence of the magnetic and electrical polarizations are discussed in the light of the SHG results.

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M. Hudl, R. Mathieu, S. A. Ivanov, M. Weil, V. Carolus, Th. Lottermoser, M. Fiebig, Y. Tokunaga, Y. Taguchi, Y. Tokura, P. Nordblad. 2011-08-21. Complex magnetism and magnetic field-driven electrical polarization in Co$_3$TeO$_6$. https://doi.org/10.1103/physrevb.84.180404

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