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Abstract
In this paper, the first principle non-collinear transport calculation for Cu/Co (111) including interfacial spin-flipping was performed. We modeled spin-flipping at the interface by assuming a non-collinear magnetic structure with random magnetization orientation which satisfied the Gaussian distribution along the average magnetization direction. The relationship between spin-dependent conductance including interfacial spin-flipping and random magnetization orientation distribution width was obtained. For certain distribution width, our defined spin-flipping ratio coincides with the range of experimental spin-flipping probability P = 1-e-δ, where δ = 0.25±0.1. The magnetoresistance in the Co/Cu/Co spin-valve system including interfacial spin-flipping has also been calculated.
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