Structural and angular dependence of coercivity and magnetic remanence of electrochemical ferromagnetic nanowires

Details Structural and angular dependence of coercivity and magnetic remanence of electrochemical ferromagnetic nanowires Structural and angular dependence of coercivity and magnetic remanence of electrochemical ferromagnetic nanowires

2008-06-17

arxiv.org/abs/0806.2826v1

Physics

Condensed Matter

Materials Science

34 pages, 17 figures

Scientific paper

A novel method for controlling nanowire magnetic properties and growth from filling time profile is presented. The wires are grown with an electrodeposition method ("Template synthesis") with a wide selection of pore diameters. We show that stray-fields presence in ferromagnetic nanowires are entirely dependent on the nanowire diameter. Besides a crossover effect in the reversal mechanism is observed with change in diameter. In this work, theory and experiment agree and confirm that according to the variety of hysteresis loop measured, about four ranges of values of pore diameter control the orientation of nanowire magnetization easy axis with respect to the geometrical axis.

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