Accidental persistent spin textures in the proustite mineral family
Accidental persistent spin textures in the proustite mineral family
复制标题
普鲁斯特矿物家族中意外的持续旋转纹理
DOI:
10.1103/physrevb.107.035154
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发表时间:
2023
影响因子:
3.7
通讯作者:
Rondinelli, James M.
中科院分区:
文献类型:
--
作者:
Koyama, Sean;Rondinelli, James M.
Persistent spin textures (PSTs) in momentum space have the potential to enable spintronic devices which are currently limited by spin lifetimes in nonmagnetic spin-orbit coupled materials. We perform a first-principles study on the proustite mineral family,(B= As, Sb; Q = S, Se), and show these chalcogenides exhibit nonsymmetry-protected PSTs, which we refer to as symmetry-assisted PSTs. Chemical substitution can be used to tune the PST quality and properties, e.g., spin lifetime, and we find that a Rashba anisotropy criterion correlates with the PST area and spin lifetime for two of the three proustites examined. Last, we show that a first-order effective SOC Hamiltonian, often used in two-dimensional systems, is insufficient to describe the PST state in all proustites, suggesting that higher order models are necessary to fully describe PSTs in bulk three-dimensional materials.
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DOI:
--
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期刊:
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