Affiliation: | a SEMICUAM, Departamento de Física de Materiales, Universidad Autónoma de Madrid, Cantoblanco, E28049 Madrid, Spain b LASMEA, CNRS, Université Blaise-Pascal Clermont Ferrand II, 24, av des Landais, 63177, Aubière, France c St. Petersburg State Polytechnical University, 29, Politechnicheskaya, 195251, St Petersburg, Russia d A.F. Ioffe Physico-Technical Institute, RAS, 26, Politechnicheskaya, 194021, St Petersburg, Russia e Department of Physics and Astronomy, University of Southampton, SO17 1BJ Southampton, UK f Lab. Spectrométrie Physique (CNRS), Université Joseph Fourier 1, F-38402 Grenoble, France |