AVS 51st International Symposium
    Magnetic Interfaces and Nanostructures Wednesday Sessions
       Session MI-WeA

Paper MI-WeA1
Spin-Dependent Quantum Size Effects in Ultrathin Co Single Crystals

Wednesday, November 17, 2004, 2:00 pm, Room 304A

Session: Exchange Coupling, Surfaces, and Interfaces
Presenter: R. Zdyb, Arizona State University
Authors: R. Zdyb, Arizona State University
E. Bauer, Arizona State University
Correspondent: Click to Email
We have prepared micron-sized ultrathin (0001)-oriented Co single crystals with thicknesses varying between 1 and 10 monolayers by epitaxy on W(110) and studied the spin-dependent reflectivity of electrons with energies up to about 20 eV in spin-polarized low energy electron microscope. Similar to our previous study of ultrathin (110)-oriented Fe single crystals@footnote 1@ , quantum size effects allow the determination of the exchange splitting of the sp band above the vacuum level. We will also report the results of our attempts to understand the apparent oscillatory spin reorientation transition in ultrathin Co films@footnote 2@. @FootnoteText@ @footnote 1@ R. Zdyb and E. Bauer, Phys. Rev. Lett. 9 (2002) 1485. @footnote 2@ T. Duden and E. Bauer, Phys. Rev. Lett. 77 (1996) 2308.