DIFFRACTION OF SPIN-POLARIZEDCu3pPHOTOELECTRONS

Ch. Roth, T. Kinoshita, H. B. Rose, F. U. Hillebrecht and E. Kisker
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Ch. Roth: Institut für Angewandte Physik, Heinrich-Heine-Universität Düsseldorf, 40225 Diisseldorf, Germany
T. Kinoshita: Institut für Angewandte Physik, Heinrich-Heine-Universität Düsseldorf, 40225 Diisseldorf, Germany;
H. B. Rose: Institut für Angewandte Physik, Heinrich-Heine-Universität Düsseldorf, 40225 Diisseldorf, Germany
F. U. Hillebrecht: Institut für Angewandte Physik, Heinrich-Heine-Universität Düsseldorf, 40225 Diisseldorf, Germany
E. Kisker: Institut für Angewandte Physik, Heinrich-Heine-Universität Düsseldorf, 40225 Diisseldorf, Germany

Surface Review and Letters (SRL), 1997, vol. 04, issue 05, 911-914

Abstract: We measured the spin–orbit-induced spin polarization in Cu 3p photoemission for fixed angle between light incidence and electron collection, while varying the emission angle relative to the crystal lattice. The polarization is found to vary strongly with emission direction in both sublevels. However, theratiobetween the polarizations of thej=3/2andj=1/2sublevels is close to-1/2for all emission directions. The spin polarization and its dependence on emission direction can both be viewed as arising from the angular momentum character of the final state wave which is imposed by the excitation conditions.

Date: 1997
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DOI: 10.1142/S0218625X97001024

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