Giant magnetoresistance (GMR) is often studied in multilayers (MLs) composed of mutually immiscible pairs of metals. Low miscibility is expected also in Fe/W and Co/W couples where the heat of compound formation is ΔH ~0. Therefore, the GMR in these types of MLs was studied in this work. The MLs were UHVe-beam deposited onto Si, number of periods being 5 or 10. The substrate temperature was kept between 70 and 2008C. The layer thicknesses of Fe, Co and W were between 1 and 7 nm, resulting in different designs. The samples were analyzed by the X-ray diffraction, X-ray reflectivity and grazing incidence X-ray diffuse scattering. The GMR was measured in the field <5 T.

Giant Magnetoresistance in Evaporated Nanometer Scale Fe/W and Co/W Multilayers

D'ANNA, Emilia;LUCHES, Armando;MARTINO, Maurizio
2005-01-01

Abstract

Giant magnetoresistance (GMR) is often studied in multilayers (MLs) composed of mutually immiscible pairs of metals. Low miscibility is expected also in Fe/W and Co/W couples where the heat of compound formation is ΔH ~0. Therefore, the GMR in these types of MLs was studied in this work. The MLs were UHVe-beam deposited onto Si, number of periods being 5 or 10. The substrate temperature was kept between 70 and 2008C. The layer thicknesses of Fe, Co and W were between 1 and 7 nm, resulting in different designs. The samples were analyzed by the X-ray diffraction, X-ray reflectivity and grazing incidence X-ray diffuse scattering. The GMR was measured in the field <5 T.
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11587/300178
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