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Märstetten-Dorf, Switzerland

Frantzeskakis E.,Institute Of Physique Of La Matire Condensee | Crepaldi A.,Institute Of Physique Of La Matire Condensee | Pons S.,Institute Of Physique Of La Matire Condensee | Pons S.,CNRS Jean Lamour Institute | And 3 more authors.
Journal of Electron Spectroscopy and Related Phenomena | Year: 2010

We discuss two different approaches for tuning the giant spin-orbit splitting of a BiAg2 surface alloy. The first approach consists of electron doping by alkaline metal deposition in order to shift the energy position of the spin-split surface states, while the second is based on the novel Si(1 1 1)-Ag-BiAg2 trilayer system. In both cases the spin-polarized structure near the Fermi level can be controlled by an external parameter, while the second approach permits coupling the concept of giant spin-splitting with a semiconducting substrate. © 2010 Elsevier B.V.

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