Effect Of Inserting A Ferromagnetic Layer On The Giant Magnetoresistance Of Spin-Valve Sandwiches

JOURNAL OF APPLIED PHYSICS(2003)

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摘要
By extending a previous semi-classical model, we investigate the effects of inserting a second ferromagnetic material at the interface or in the interior of the ferromagnetic layer in NiFe/Cu/NiFe and/or Co/Cu/Co sandwiched structures on their giant magnetoresistance (GMR). The calculated GMR was found to be consistent with experimental results, indicating that our model is applicable even for complicated spin-valve multilayers. Moreover, some theoretical predictions are given in this letter that allow us to propose ways to optimize spin-valve structures. (C) 2003 American Institute of Physics.
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关键词
magnetic properties,giant magnetoresistance
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