New aspects of electronic excitations at the bismuth surface: Topology, thermalization and coupling to coherent phonons

Abstract : We review measurements of angle and time resolved photoelectron spectroscopy on the surface states of the Bi(1 1 1) surface. The work covers several aspects of these surface states, discussing the topological properties, the strong anisotropy of the spin–orbit splitting and the dynamical relaxation of photoexcited electrons. Since time resolved experiments disentagle interaction processes in real time, the reported data offer a novel perspective on the motion of charge carriers in surface states and will serve as an unuseful reference for other systems with strong spin–orbit coupling.
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Journal of Electron Spectroscopy and Related Phenomena, Elsevier, 2015, 〈10.1016/j.elspec.2014.12.004〉
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Contributeur : Jérôme Faure <>
Soumis le : jeudi 26 novembre 2015 - 11:33:05
Dernière modification le : jeudi 10 mai 2018 - 01:59:16

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L Perfetti, Jérôme Faure, E Papalazarou, J Mauchain, M Marsi, et al.. New aspects of electronic excitations at the bismuth surface: Topology, thermalization and coupling to coherent phonons. Journal of Electron Spectroscopy and Related Phenomena, Elsevier, 2015, 〈10.1016/j.elspec.2014.12.004〉. 〈hal-01229249〉

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