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arXiv · 2201.04759

Spin Seebeck effect in quantum magnet Pb2V3O9

Wenyu Xing·Ranran Cai·Kodai Moriyama·Kensuke Nara·Yunyan Yao·Weiliang Qiao·Kazuyoshi Yoshimura·Wei Han
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Abstract

Spin Seebeck effect (SSE), the generation of spin current from heat, has been extensively studied in a large variety of magnetic materials, including ferromagnets, antiferromagnets, paramagnets, and quantum spin liquids. In this paper, we report the study of the SSE in the single crystalline Pb2V3O9, a spin-gapped quantum magnet candidate with quasi-one-dimensional spin-1/2 chain. Detailed temperature and magnetic field dependences of the SSE are investigated, and the temperature-dependent critical magnetic fields show a strong correlation to the Bose-Einstein condensation phase of the quantum magnet Pb2V3O9. This work shows the potential of using spin current as a probe to study the spin correlation and phase transition properties in quantum magnets.

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Wenyu Xing, Ranran Cai, Kodai Moriyama, Kensuke Nara, Yunyan Yao, Weiliang Qiao, Kazuyoshi Yoshimura, Wei Han. 2022-01-13. Spin Seebeck effect in quantum magnet Pb2V3O9. https://doi.org/10.1063/5.0076554

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