We investigate the magnetoresistance (MR) responses in a ferromagnetic rectangular ring structure using a four-point probe technique. The measured MR curves are strongly dependent on the electrical contact geometries used. The associated MR characteristics are elucidated by a combination of...

We have investigated the evolution in the magnetization reversal mechanism of lithographically defined Ni80Fe20 nanowire arrays with varied film thicknesses. The nanowire array of width 185 nm and spacing 35 nm were fabricated using deep ultraviolet lithography at 248 nm exposing wavelength....