Spin-polarized photoelectron diffraction using circularly polarized x rays

G. D. Waddill; J. G. Tobin; X. Guo; S. Y. Tong

doi:10.1103/PhysRevB.50.6774

Spin-polarized photoelectron diffraction using circularly polarized x rays

G. D. Waddill, J. G. Tobin, X. Guo, and S. Y. Tong

Phys. Rev. B 50, 6774 – Published 1 September 1994

Abstract

The observation of spin-dependent photoelectron diffraction using circularly polarized x rays is reported for Fe films on Cu(001). Circularly polarized x rays produce spin-polarized photoelectrons from the Fe 2p doublet, and intensity asymmetries in the 2 $p_{3 / 2}$ level are observed. Fully spin-specific multiple-scattering calculations reproduce the experimentally determined energy and angular dependences. An analytical procedure is introduced which removes exchange shift contributions to the Fe 2p asymmetry, and focuses instead upon intensity variations due to spin-dependent diffraction.

Received 17 May 1994

DOI:https://doi.org/10.1103/PhysRevB.50.6774

Authors & Affiliations

G. D. Waddill and J. G. Tobin

Chemistry and Materials Science Department, Lawrence Livermore National Laboratory, P.O. Box 808, L-357, Livermore, California 94550

X. Guo and S. Y. Tong

Laboratory for Surface Studies and Department of Physics, University of Wisconsin–Milwaukee, Milwaukee, Wisconsin 53201

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Vol. 50, Iss. 10 — 1 September 1994

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