The search in two-dimensional condensed matter systems of Rashba-type spin-polarized electronic states is aimed by the possibility to control and manipulate the spin orientation. In this Letter, for the first time, we report on the experimental evidence of a Rashba-type spin splitting in the n=1 image potential state. The image potential state Rashba splitting here measured at the graphene/Ir(111) interface, as confirmed by theoretical considerations, can be detectable to any metal surface with a significant spin-orbit coupling.
Rashba Spin-Orbit Coupling in Image Potential States / S. Tognolini, S. Achilli, L. Longetti, E. Fava, C. Mariani, M.I. Trioni, S. Pagliara. - In: PHYSICAL REVIEW LETTERS. - ISSN 0031-9007. - 115:4(2015), pp. 046801.1-046801.5. [10.1103/PhysRevLett.115.046801]
Rashba Spin-Orbit Coupling in Image Potential States
S. Achilli;
2015
Abstract
The search in two-dimensional condensed matter systems of Rashba-type spin-polarized electronic states is aimed by the possibility to control and manipulate the spin orientation. In this Letter, for the first time, we report on the experimental evidence of a Rashba-type spin splitting in the n=1 image potential state. The image potential state Rashba splitting here measured at the graphene/Ir(111) interface, as confirmed by theoretical considerations, can be detectable to any metal surface with a significant spin-orbit coupling.
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