High-efficiency spin polarimetry by very-low-energy electron scattering from Fe(100) for spin-resolved photoemission

Review of Scientific Instruments - Tập 73 Số 3 - Trang 1229-1234 - 2002
F. U. Hillebrecht1, R. Jungblut1, L. Wiebusch1, Ch. Roth1, H. B. Rose1, D. Knabben1, C. Bethke1, N. Weber1, St. Manderla1, U. Rosowski1, E. Kisker1
1Institut für Angewandte Physik, Heinrich-Heine-Universität Düsseldorf, Universitätsstrasse 1, D-40225 Düsseldorf, Germany

Tóm tắt

We describe concept, design, and performance of a novel spin polarimeter based on spin-dependent specular reflection of electrons from a Fe(100) surface. The Fe surface is prepared as an ultrathin film on Ag(100). By tuning the energy of the electrons to a critical point in the Fe band structure, a large spin asymmetry combined with a large scattering efficiency is achieved. The polarimeter yields a figure of merit up to 10−2 for the best Fe(100) surfaces.

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Tài liệu tham khảo

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Review of Scientific Instruments

Tập 73 Số 3

1229-1234

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