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Multiferroicity of CuCrO_2 tested by electron spin resonance

机译：电子自旋共振测试CuCrO_2的多铁性

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摘要

We have carried out the electron spin resonance (ESR) study of the multiferroic triangular antiferromagnet CuCrO_2 in the presence of an electric field. The shift of ESR spectra by the electric field was observed; the value of the shift exceeds that in materials with linear magnetoelectric coupling. It was shown that the low-frequency dynamics of magnetically ordered CuCrO_2 is defined by joint oscillations of the spin plane and electric polarization. The results demonstrate an agreement with theoretical expectations of a phenomenological model [V. I. Marchenko, J. Exp. Theor. Phys. 119,1084 (2014)].
机译：我们已经在电场存在下对多铁三角反铁磁体CuCrO_2进行了电子自旋共振（ESR）研究。观察到ESR谱随电场的变化。位移值超过具有线性磁电耦合的材料。结果表明，磁性有序的CuCrO_2的低频动力学是由自旋平面和极化作用共同引起的。结果表明，与现象学模型[V. I. Marchenko，J。Exp。理论。物理119,1084（2014）]。

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  • 来源
    《Physical review》 |2018年第9期|094425.1-094425.8|共8页
  • 作者

    S. K. Gotovko; T. A. Soldatov; L. E. Svistov; H. D. Zhou;

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    P.L. Kapitza Institute for Physical Problems, PAS, Moscow 119334, Russia,Moscow Institute of Physics and Technology, Moscow 117303, Russia;

    P.L. Kapitza Institute for Physical Problems, PAS, Moscow 119334, Russia,Moscow Institute of Physics and Technology, Moscow 117303, Russia;

    P.L. Kapitza Institute for Physical Problems, PAS, Moscow 119334, Russia;

    Department of Physics and Astronomy, University of Tennessee, Knoxville, Tennessee 37996, USA;

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