Large spin-orbit coupling and helical spin textures in 2D heterostructure [Pb2BiS3[[AuTe2]]

L. Fang, J. Im, W. Degottardi, Y. Jia, A. Glatz, K. A. Matveev, W. K. Kwok, G. W. Crabtree, Mercouri G Kanatzidis

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7 Citations (Scopus)

Abstract

Two-dimensional heterostructures with strong spin-orbit coupling have direct relevance to topological quantum materials and potential applications in spin-orbitronics. In this work, we report on novel quantum phenomena in [Pb2 BiS3[[AuTe2[, a new 2D strong spin-orbit coupling heterostructure system. Transport measurements reveal the spin-related carrier scattering is at odds with the Abrikosov-Gorkov model due to strong spin-orbit coupling. This is consistent with our band structure calculations which reveal a large spin-orbit coupling gap of eso so = 0.21 eV. The band structure is also characterized by helical-like spin textures which are mainly induced by strong spin-orbit coupling and the inversion symmetry breaking in the heterostructure system.

Original languageEnglish
Article number35313
JournalScientific Reports
Volume6
DOIs
Publication statusPublished - Oct 12 2016

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textures
orbits
broken symmetry
inversions
scattering

ASJC Scopus subject areas

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Large spin-orbit coupling and helical spin textures in 2D heterostructure [Pb2BiS3[[AuTe2]]. / Fang, L.; Im, J.; Degottardi, W.; Jia, Y.; Glatz, A.; Matveev, K. A.; Kwok, W. K.; Crabtree, G. W.; Kanatzidis, Mercouri G.

In: Scientific Reports, Vol. 6, 35313, 12.10.2016.

Research output: Contribution to journalArticle

Fang, L, Im, J, Degottardi, W, Jia, Y, Glatz, A, Matveev, KA, Kwok, WK, Crabtree, GW & Kanatzidis, MG 2016, 'Large spin-orbit coupling and helical spin textures in 2D heterostructure [Pb2BiS3[[AuTe2]]', Scientific Reports, vol. 6, 35313. https://doi.org/10.1038/srep35313
Fang, L. ; Im, J. ; Degottardi, W. ; Jia, Y. ; Glatz, A. ; Matveev, K. A. ; Kwok, W. K. ; Crabtree, G. W. ; Kanatzidis, Mercouri G. / Large spin-orbit coupling and helical spin textures in 2D heterostructure [Pb2BiS3[[AuTe2]]. In: Scientific Reports. 2016 ; Vol. 6.
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AU - Glatz, A.

AU - Matveev, K. A.

AU - Kwok, W. K.

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