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Studies of anisotropic and giant magnetoresistance in Co/Cu(111) epitaxial multilayers
Journal of Applied Physics
Co/Cu͑111͒ multilayers, ͓Co͑17 Å͒/Cu͑8 ÅϽt Cu Ͻ14 Å͔͒ 30 , have been prepared on Co͑70 Å͒ buffer layers on Al 2 O 3 ͑0001͒ substrates by molecular beam epitaxy. From the longitudinal and transverse magnetoresistance ͑MR͒ measurements, it is observed that MRs consist of two components with a small anisotropic MR ͑Ͻ2%͒ component at low field sitting on top of the giant MR ͑up to 22%͒ component at higher field. The AMR effect strongly correlates with the abundance of hcp stacking of Co, whichdoi:10.1063/1.362035 fatcat:ulvhyfv56bhi7cehsiqn6yzray