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; M. G. Kanatzidis

doi:10.1038/srep35313

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, M. G. Kanatzidis

Northwestern University

Research output: Contribution to journal › Article › peer-review

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 e_so 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 language	English
Article number	35313
Journal	Scientific reports
Volume	6
DOIs	https://doi.org/10.1038/srep35313
Publication status	Published - Oct 12 2016

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@article{25c036ddd6084fa78b55de78472ecd58,

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

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.",

author = "L. Fang and J. Im and W. Degottardi and Y. Jia and A. Glatz and Matveev, {K. A.} and Kwok, {W. K.} and Crabtree, {G. W.} and Kanatzidis, {M. G.}",

note = "Funding Information: Synthesis and user facilities of the Center for Nanoscale Materials were supported by the Department of Energy, Office of Basic Energy Sciences, under Contract No. DE-AC02-06CH11357. Theoretical calculations were supported by the Korea Research Institute of Chemical Technology, under the project No. KN1502-I00(JI).",

year = "2016",

month = oct,

day = "12",

doi = "10.1038/srep35313",

language = "English",

volume = "6",

journal = "Scientific Reports",

issn = "2045-2322",

publisher = "Nature Publishing Group",

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T1 - Large spin-orbit coupling and helical spin textures in 2D heterostructure [Pb2BiS3[[AuTe2]]

AU - Fang, L.

AU - Im, J.

AU - Degottardi, W.

AU - Jia, Y.

AU - Glatz, A.

AU - Matveev, K. A.

AU - Kwok, W. K.

AU - Crabtree, G. W.

AU - Kanatzidis, M. G.

N1 - Funding Information: Synthesis and user facilities of the Center for Nanoscale Materials were supported by the Department of Energy, Office of Basic Energy Sciences, under Contract No. DE-AC02-06CH11357. Theoretical calculations were supported by the Korea Research Institute of Chemical Technology, under the project No. KN1502-I00(JI).

PY - 2016/10/12

Y1 - 2016/10/12

N2 - 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.

AB - 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.

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