Spin-Polarized Standing Waves in the Fermi Surface of a Ferromagnetic Thin Film

2005/04/26 by J. A. Schaefer, J. Schaefer, Schaefer, J. +9
Physics and Astronomy · #FOS: Physical sciences #Magnetic properties of thin films #Other Condensed Matter (cond-mat.other) #Quantum and electron transport phenomena #Surface and Thin Film Phenomena #cond-mat.other

paper · pdf · doi:10.48550/arxiv.cond-mat/0504670

4 pages, 4 figures

arxiv created 2005/04/26 · openalex publication_date 2005/04/26 · arxiv updated 2009/12/01 · openalex created_date 2016/06/24 · openalex updated_date 2026/07/28

Abstract

The spin-selective electron reflection at a ferromagnetic-paramagnetic interface is investigated using Fe films on a W(110) substrate. Angle-resolved photoemission of the majority and minority Fermi surfaces of the Fe film is used to probe standing wave formation. Intense quantum well states resulting from interfacial reflection are observed exclusively for majority states. Such high spin polarization is explained by the Fermi surface topology of the connecting substrate, and we argue that Fe/W is a particularly suitable interface for that purpose.

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