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- W4294008045 abstract "Persistent spin textures (PSTs) in solid-state materials arise from a unidirectional spin-orbit field in momentum space and offer a route to deliver long carrier spin lifetimes sought for future quantum microelectronic devices. Nonetheless, few three-dimensional materials are known to host PSTs owing to crystal symmetry and chemical requirements. There are even fewer examples demonstrated experimentally. Here we report that high-quality persistent spin textures can be obtained in the polar point groups containing an odd number of mirror operations. We use representation theory analysis and electronic structure calculations to formulate general discovery principles to identify PSTs hidden in known complex ternary layered and perovskite structures with large electric polarizations. We then show some of these materials exhibit PSTs without requiring any special crystalline symmetries. This finding removes the limitation imposed by mirror-symmetry protected PSTs that has limited compound discovery. Our general design approach enables the pursuit of persistent spin helices in materials exhibiting the $C_{3v}$ crystal class adopted by many quantum materials exhibiting large Rashba coefficients." @default.
- W4294008045 created "2022-09-01" @default.
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- W4294008045 date "2022-08-29" @default.
- W4294008045 modified "2023-10-18" @default.
- W4294008045 title "Strain engineering a persistent spin helix with infinite spin lifetime" @default.
- W4294008045 doi "https://doi.org/10.48550/arxiv.2208.13862" @default.
- W4294008045 hasPublicationYear "2022" @default.
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