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Title: Spin-Orbit Effects in Spin-Resolved L2,3 Core Level Photoemission of 3d Ferromagnetic Thin Films

We present spin-resolved 2p core level photoemission for the 3d transition metal films of Fe and Co grown on Cu(100). We observe clear spin asymmetry in the main 2p core level photoemission peaks of Fe and Co films consistent with trends in the bulk magnetic moments. The spin polarization can be strongly enhanced, by variation of the experimental geometry, when the photoemission is undertaken with circularly polarized light, indicating that spin-orbit interaction can have a profound in spin polarized photoemission. Further spin polarized photoemission studies using variable circularly polarized light at high photon energies, high flux are indicated, underscoring the value of synchrotron measurements at facilities with increased beam stability.
Authors:
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Publication Date:
OSTI Identifier:
992278
Report Number(s):
UCRL-JRNL-235324
TRN: US1007725
DOE Contract Number:
W-7405-ENG-48
Resource Type:
Journal Article
Resource Relation:
Journal Name: Journal of Vacuum Science and Technology A, vol. 28, no. 6, October 13, 2010, pp. 1371; Journal Volume: 28; Journal Issue: 6
Research Org:
Lawrence Livermore National Laboratory (LLNL), Livermore, CA
Sponsoring Org:
USDOE
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; ASYMMETRY; GEOMETRY; L-S COUPLING; MAGNETIC MOMENTS; PHOTOEMISSION; PHOTONS; POLARIZATION; SPIN; STABILITY; SYNCHROTRONS; THIN FILMS; TRANSITION ELEMENTS