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Type: Artigo de evento
Title: Linear And Circularly Polarized Light To Study Anisotropy And Resonant Scattering In Magnetic Thin Films
Author: Tolentino H.C.N.
Cezar J.C.
Souza-Neto N.M.
Ramos A.Y.
Abstract: The remarkable polarization properties of synchrotron light have lead to the advent of modern synchrotron-related spectroscopic studies with angular and/or magnetic selectivity. Here an overview is given of the prominent aspects of the polarization of the light delivered by a bending magnet, and some dichroic properties in X-ray absorption spectroscopy (XAS). Two studies developed at the Brazilian Synchrotron Light Laboratory are then reported, exemplifying the profit gained using linear and circular polarization of X-rays for the study of magnetic thin films and multilayers. Angle-resolved XAS was used in strained manganite thin films to certify a model of local distortion limited within the MnO6 polyhedron. A pioneering experience of X-ray magnetic scattering at grazing incidence associated with dispersive XAS in a Co/Gd multilayer draws new perspectives for magnetic studies in thin films and multilayers under atmospheric conditions in the hard X-ray range. © 2005 International Union of Crystallography Printed in Great Britain - all rights reserved.
Rights: aberto
Identifier DOI: 10.1107/S0909049504032753
Date Issue: 2005
Appears in Collections:Unicamp - Artigos e Outros Documentos

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