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Cited by 549

The DOI matches its Crossref record; 25 of the 25 references it cites were found in a registry or an index.

Spin–orbit proximity effect in graphene

Open access
Avsar, A., Tan, J. Y., Taychatanapat, T., Balakrishnan, J., Koon, G.K.W., Yeo, Y., Lahiri, J., Carvalho, A., Rodin, A. S., O’Farrell, E.C.T., Eda, G., Castro Neto, A. H., Özyilmaz, B.·2014·Nature Communications

Abstract

The development of spintronics devices relies on efficient generation of spin-polarized currents and their electric-field-controlled manipulation. While observation of exceptionally long spin relaxation lengths makes graphene an intriguing material for spintronics studies, electric field modulation of spin currents is almost impossible due to negligible intrinsic spin–orbit coupling of graphene. In this work, we create an artificial interface between monolayer graphene and few-layer semiconducting tungsten disulphide. In these devices, we observe that graphene acquires spin–orbit coupling up to 17 meV, three orders of magnitude higher than its intrinsic value, without modifying the structure of the graphene. The proximity spin–orbit coupling leads to the spin Hall effect even at room temperature, and opens the door to spin field effect transistors. We show that intrinsic defects in tungsten disulphide play an important role in this proximity effect and that graphene can act as a probe to detect defects in semiconducting surfaces. Spin–orbit coupling in graphene is small, which makes controlling spin currents in this otherwise useful spintronic material difficult. Avsar et al.now demonstrate that combining graphene with few-layer tungsten disulphide increases its spin–orbit coupling by three orders of magnitude

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Crossref · 10.1038/ncomms5875

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Metadata

Authors
Avsar, A., Tan, J. Y., Taychatanapat, T., Balakrishnan, J., Koon, G. K. W., Yeo, Y., Lahiri, J., Carvalho, A., Rodin, A. S., O’Farrell, E. C. T., Eda, G., Castro Neto, A. H., & Özyilmaz, B.
Venue
Nature Communications
Published
2014-09-26
Volume
5
Issue
1
Pages
4875-4875
ISSN
2041-1723 (ISSN-L)
OpenAlex
W2074872657
Cited by
549
References
25
FWCI
20.70
Type
journal article
Language
en
Open access
bronze

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