Abstract
Fe 48 Co 52 nanowire arrays with various diameters and interpore distances were fabricated by electrochemical deposition. The dependences of the permanent magnetic properties on the diameter and interpore distance of the nanowire were investigated. The magnetic dipolar interaction among nanowires was employed to explain the experimental results. After annealing at 550°C, the excellent permanent magnetic properties were obtained. The coercivity Hc is 3.99kOe, the squareness Mr∕Ms is 0.96, and the maximum energy product of the whole composite film (BH)mf is estimated to be 7.1MGOe, which avails Fe–Co nanowire arrays prospective as a kind of potential permanent magnet film.
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