New aspects of electronic excitations at the bismuth surface: Topology, thermalization and coupling to coherent phonons - Archive ouverte HAL Access content directly
Journal Articles Journal of Electron Spectroscopy and Related Phenomena Year : 2015

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

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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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hal-01229249 , version 1 (26-11-2015)

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L Perfetti, Jérôme Faure, E Papalazarou, Julien 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, 2015, ⟨10.1016/j.elspec.2014.12.004⟩. ⟨hal-01229249⟩
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