Abstract
The room temperature magnetoresistance (MR) and hysteresis in the wire arrays of Fe/［NiFe/Cu］30 muitilayer were investigated. These arrays were fabricated by laser lithography and ion beam etching techniques. The magnetic properties of the wire array is distinctly different compared with the continous film. the maximum MR ratio is increased for some arrays, and for some other arrays this MR ratio is decreased. A marked increased in coercivity of some arrays is seen for the field applied along the wire axis, but for some other arrays the coercivity almost remains constant. These results depend on the defferene in interlayer exchange coupling for original continous films and also depend on the uniaxial anisotroy and the other change caused by the wire fabrication of array.
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