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Local electronic properties of the graphene-protected giant Rashba-split BiAg<sub>2</sub> surface

Local electronic properties of the graphene-protected giant Rashba-split BiAg2 surface

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TESCH, Julia, Elena VOLOSHINA, Milan JUBITZ, Yuriy DEDKOV, Mikhail FONIN, 2017. Local electronic properties of the graphene-protected giant Rashba-split BiAg2 surface. In: Physical Review B. 95(15), 155428. ISSN 2469-9950. eISSN 2469-9969

@article{Tesch2017Local-38615, title={Local electronic properties of the graphene-protected giant Rashba-split BiAg2 surface}, year={2017}, doi={10.1103/PhysRevB.95.155428}, number={15}, volume={95}, issn={2469-9950}, journal={Physical Review B}, author={Tesch, Julia and Voloshina, Elena and Jubitz, Milan and Dedkov, Yuriy and Fonin, Mikhail}, note={Article Number: 155428} }

Dedkov, Yuriy Jubitz, Milan 2017-04-26T07:56:30Z We report the preparation of an interface between graphene and a strong Rashba-split BiAg<sub>2</sub> surface alloy and an investigation of its structure as well as the electronic properties by means of scanning tunneling microscopy/spectroscopy and density functional theory calculations. Upon evaluation of the quasiparticle interference patterns, an unperturbed linear dispersion for the π band of n-doped graphene is observed. Our results also reveal the intact nature of the giant Rashba-split surface states of the BiAg<sub>2</sub> alloy, which demonstrate only a moderate downward energy shift due to the presence of graphene. This effect is explained in the framework of density functional theory by an inward relaxation of the Bi atoms at the interface and subsequent delocalization of the wave function of the surface states. Our findings demonstrate a realistic pathway to prepare a graphene-protected giant Rashba-split BiAg<sub>2</sub> for possible spintronic applications. Voloshina, Elena Fonin, Mikhail 2017 Voloshina, Elena eng Local electronic properties of the graphene-protected giant Rashba-split BiAg<sub>2</sub> surface 2017-04-26T07:56:30Z Tesch, Julia Dedkov, Yuriy Tesch, Julia Jubitz, Milan Fonin, Mikhail

Dateiabrufe seit 26.04.2017 (Informationen über die Zugriffsstatistik)

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