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We report on spin-polarized electron reflection experiments on Fe films on Ag(001). Upon reflecting from the Fe film the electron-spin polarization vector 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 interference in the Fe layer, the short period of one monolayer is...
In this work, the reflected part of a spin-polarized electron beam is examined. A spin-polarized electron beam was obtained from a strained GaAs-type source by optically pumping the crystal with circularly polarized light. The beam was incident at a 45deg angle with respect to the surface of the ferromagnetic film. To get the maximal spin motion of the reflected electrons, it is necessary to choose...
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