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Different types of spin currents in the comprehensive materials database of nonmagnetic spin Hall effect

MPS-Authors
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Zhang,  Yang
Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

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Xu,  Qiunan
Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

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Felser,  Claudia
Claudia Felser, Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

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Sun,  Yan
Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

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Citation

Zhang, Y., Xu, Q., Koepernik, K., Rezaev, R., Janson, O., Železný, J., et al. (2021). Different types of spin currents in the comprehensive materials database of nonmagnetic spin Hall effect. npj Computational Materials, 7(1): 167, pp. 1-7. doi:10.1038/s41524-021-00635-0.


Cite as: http://hdl.handle.net/21.11116/0000-0009-6AB7-2
Abstract
Spin Hall effect (SHE) has its special position in spintronics. To gain new insight into SHE and to identify materials with substantial spin Hall conductivity (SHC), we performed high-precision high-throughput ab initio calculations of the intrinsic SHC for over 20,000 nonmagnetic crystals. The calculations revealed a strong relationship between the magnitude of the SHC and the crystalline symmetry, where a large SHC is typically associated with mirror symmetry-protected nodal line band structures. This database includes 11 materials with an SHC comparable to or even larger than that of Pt. Materials with different types of spin currents were additionally identified. Furthermore, we found that different types of spin current can be obtained by rotating applied electrical fields. This improves our understanding and is expected to facilitate the design of new types of spin-orbitronic devices.