Structural and magnetic properties of electrodeposited Ni70Fe30 nanowire array

Jinxia Xu; Keyu Wang

doi:10.1007/s11595-006-4472-5

Journal of Wuhan University of Technology Materials Science Edition ›› 2008, Vol. 23 ›› Issue (4) : 472 -474. DOI: 10.1007/s11595-006-4472-5

Article

Structural and magnetic properties of electrodeposited Ni₇₀Fe₃₀ nanowire array

Jinxia Xu ¹^,^{^{^a}}
, Keyu Wang ²

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Abstract

Ordered Ni₇₀Fe₃₀ nanowire array was fabricated in a porous alumina template by alternating current electrodeposition. The structural and magnetic properties of the as-obtained nanowire array were investigated by SEM, TEM, XRD, EDS and VSM. The results indicate that the as-obtained Ni₇₀Fe₃₀ nanowires exhibit a diameter of about 69.9 nm and aspect ratio of more than 60. Meanwhile, a preferred orientation [110] of bcc lattice was observed. The as-obtained nanowire array has an obvious magnetic anisotropy, of which the easy direction is perpendicular to the surface of the array. Moreover, after annealed, the Ni₇₀Fe₃₀ nanowire array exhibits an enhanced magnetic anisotropy.

Keywords

Ni₇₀Fe₃₀ / nanowire array / preferential orientation / magnetic anisotropy

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Jinxia Xu, Keyu Wang. Structural and magnetic properties of electrodeposited Ni₇₀Fe₃₀ nanowire array. Journal of Wuhan University of Technology Materials Science Edition, 2008, 23(4): 472-474 DOI:10.1007/s11595-006-4472-5

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