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.
Tognolini, S., Achilli, S., Longetti, L., Fava, E., Mariani, C., Trioni, M., Pagliara, S., Rashba Spin-Orbit Coupling in Image Potential States, <<PHYSICAL REVIEW LETTERS>>, 2015; 115 (4): 046801-046805. [doi:10.1103/PhysRevLett.115.046801] [http://hdl.handle.net/10807/68531]
Rashba Spin-Orbit Coupling in Image Potential States
Tognolini, Silvia;Achilli, Simona;Pagliara, Stefania
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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