INFLUENCE OF OPTICAL PROPERTIES ON THE SPIN POLARIZATION OFCu3PPHOTOELECTRONS

A. Chassé () and L. Niebergall
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A. Chassé: Department of Physics, Martin-Luther-University Halle-Wittenberg, D-06099 Halle, Germany
L. Niebergall: Department of Physics, Martin-Luther-University Halle-Wittenberg, D-06099 Halle, Germany

Surface Review and Letters (SRL), 2002, vol. 09, issue 02, 1173-1177

Abstract: We have investigated the influence of optical properties of Cu(001) on the spin polarization inCu3pphotoelectron diffraction patterns. The refraction and absorption of light have been taken into account in the calculation of the dipole transition matrix element. Therefore, a general polarization vector of light is defined within a macroscopic theory of electromagnetic fields.Results are shown and discussed forCu3pphotoelectrons excited by linearly or circularly polarized light, respectively. It is shown that the optical behavior of crystals may cause a symmetry breaking in the angular dependence of the photoelectron intensity. Besides, there are strong quantitative changes in the related spin polarization ofCu3pphotoelectrons.

Date: 2002
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DOI: 10.1142/S0218625X02003470

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