Morphology- and quantum-size induced oscillations of the electron-spin precession in Fe films on Ag(001)

L. Tati-Bismaths; L. Joly; A. Bourzami; F. Scheurer; W. Weber

doi:10.1117/12.797607

4 September 2008 Morphology- and quantum-size induced oscillations of the electron-spin precession in Fe films on Ag(001)

L. Tati-Bismaths, L. Joly, A. Bourzami, F. Scheurer, W. Weber

Author Affiliations +

Proceedings Volume 7036, Spintronics; 703606 (2008) https://doi.org/10.1117/12.797607
Event: NanoScience + Engineering, 2008, San Diego, California, United States

Abstract

We report on spin-polarized electron reflection experiments on Fe films on Ag(001). Upon reflecting from the Fe film the electron-spin polarization is found to vary in an oscillatory fashion as a function of the Fe thickness. Two different periods are identified. While the long period is related to the occurrence of quantum-size effects in the Fe layer, the short period of one monolayer is attributed to the periodic variations of the film morphology alternating between filled and incompletely filled atomic layers. This shows - because of total angular momentum conservation - that the transfer of spin-angular momentum from the incident electrons to the ferromagnetic film can be extremely sensitive to the morphology and structure of the film.

Citation Download Citation

L. Tati-Bismaths, L. Joly, A. Bourzami, F. Scheurer, and W. Weber "Morphology- and quantum-size induced oscillations of the electron-spin precession in Fe films on Ag(001)", Proc. SPIE 7036, Spintronics, 703606 (4 September 2008); https://doi.org/10.1117/12.797607

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