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Título: | Quantum-well-induced giant spin-orbit splitting |
Autor: | Mathias, S.; Bihlmayer, Gustav; Chulkov, Eugene V. CSIC ORCID; Koroteev, Yuri M.; Echenique, Pedro M. CSIC ORCID | Fecha de publicación: | 2010 | Editor: | American Physical Society | Citación: | Physical Review Letters 104: 066802 (2010) | Resumen: | We report on the observation of a giant spin-orbit splitting of quantum-well states in the unoccupied electronic structure of a Bi monolayer on Cu(111). Up to now, Rashba-type splittings of this size have been reported exclusively for surface states in a partial band gap. With these quantum-well states we have experimentally identified a second class of states that show a huge spin-orbit splitting. First-principles electronic structure calculations show that the origin of the spin-orbit splitting is due to the perpendicular potential at the surface and interface of the ultrathin Bi film. This finding allows for the direct possibility to tailor spin-orbit splitting by means of thin-film nanofabrication. | Descripción: | 4 páginas, 3 figuras.-- PACS numbers: 73.21.Fg, 71.70.Ej, 79.60.Dp.-- et al. | Versión del editor: | http://dx.doi.org/10.1103/PhysRevLett.104.066802 | URI: | http://hdl.handle.net/10261/39154 | DOI: | 10.1103/PhysRevLett.104.066802 | ISSN: | 0031-9007 | E-ISSN: | 1079-7114 |
Aparece en las colecciones: | (CFM) Artículos |
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Quantum-well.pdf | 2,28 MB | Adobe PDF | Visualizar/Abrir |
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