Byrne, FN, Monzon, LMA, Stamenov, P, Venkatesan, M, Coey, JMD, Influence of an Au capping layer on the magnetic properties of CoPt nanowires, APPLIED PHYSICS LETTERS, 98, 25, 252507, 2011
APPLIED PHYSICS LETTERS 98 25, 252507
Equiatomic CoPt nanowires with a gold cap layer have been fabricated by electrochemical template synthesis. Au improves the structural and magnetic properties of the L10 ordered CoPt, leading to coercivities of up to 1.43 T. The anisotropy constant K1 was estimated as 3.9(9)‰ÛâMJ‰Ûäm‰öÕ3 from the approach to saturation, and four effective anisotropy constants were determined from analysis of torque curves in a 14 T field. Multisegmented magnetic nanowires are produced using gold interlayers.
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