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Nonreciprocal electronic transport in PdCrO_2: Implication of spatial inversion symmetry breaking

机译:Pdcro_2中的非透镜电子传输:空间反转对称性断裂的含义

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Noncollinear spin structures, such as helimagnetic structures, have been gathering attention because of their nontrivial magnetic transport induced by topological effects. For a precise determination of spin structure, in addition to traditional neutron diffraction measurements, the time-reversal-odd rectification of electronic transport, which is referred to as nonreciprocal electronic transport, provides useful information because of the symmetry sensitivity. We observed nonreciprocal electronic transport below the Neel temperature in an itinerant antiferromagnet, PdCrO_2, with a 120° spin structure. This implies breaking of spatial inversion symmetry owing to the magnetic ordering. Possible spin structures are discussed based on the magnetic field dependence of nonreciprocal transport.
机译:由于拓扑效应引起的非磁力传输,非可口旋转结构,如先驱结构,如绝望结构,都会收集注意力。 为了精确测定旋转结构,除了传统的中子衍射测量之外,由于对称性灵敏度,电子传输的时间 - 反转奇数整流为非透视电子传输提供有用的信息。 我们观察到低于Neel温度下的非透视电子传输,在溜进料的反霉菌PDCro_2中,具有120°旋转结构。 这意味着由于磁性排序而导致空间反转对称性。 基于非探测器依赖性的磁场依赖性讨论了可能的旋转结构。

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  • 来源
    《Physical review.B.Condensed matter and materials physics》 |2021年第18期|184428.1-184428.8|共8页
  • 作者单位

    Institute for Materials Research Tohoku University Sendai 980-8577 Japan;

    Institute for Materials Research Tohoku University Sendai 980-8577 Japan PRESTO Japan Science and Technology Agency (JST) Kawaguchi 332-0012 Japan;

    Institute for Materials Research Tohoku University Sendai 980-8577 Japan;

    Institute for Materials Research Tohoku University Sendai 980-8577 Japan;

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