Exploring magnetic properties of ultrathin epitaxial magnetic structures using magneto-optical techniques |
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Authors: | C A Ballentine R L Fink J Araya-Pochet J L Erskine |
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Institution: | (1) Department of Physics, University of Texas, TX78712 Austin, USA |
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Abstract: | We describe magneto-optic Kerr effect studies of ultrathin Fe and Ni films on single crystal surfaces of Ag and Cu. Monolayer Fe films on Ag(100) exhibit the theoretically predicted spin-orbit anisotropy, but also yield some interesting discrepancies between behavior predicted by Kerr effect and by spin-polarized photoemission experiments. Layer-dependent studies of the magnetic moment of Ni on Ag(111) and Ag(100) suggest sp-d hybridization effects quench the first layer magnetic moment on Ag(111) but not on Ag(100). Temperature dependent studies of thin film magnetization obtained from Kerr effect measurements yield thickness dependent Curie temperatures, and critical exponents for several thin film systems. |
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Keywords: | 75 30 Gw 75 70 Ak 75 40 Cx |
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