Template Preparation and Magnetic Properties of Cobalt Nanowires

Chem. J. Chinese Universities

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Template Preparation and Magnetic Properties of Cobalt Nanowires

WEN Ge-Hui, REN Fang-Xing, DENG Yong-Feng, ZHAO Qiang, ZOU Guang-Tian

National Laboratory of Superhard Materials, Jilin University, Changchun 130012, China

Received:2005-11-17 Revised:1900-01-01 Online:2006-09-10 Published:2006-09-10
Contact: WEN Ge-Hui

Abstract

Abstract:

Porous anodic aluminium oxide(AAO) template was fabricated by two-step anodization. Cobalt nanowires were formed in the pores of AAO template by using dc electrochemical deposition. The structure and magnetic properties of the sample were studied by scanning electron microscopy(SEM), X-ray diffraction(XRD) and vibrating sample magnetometer(VSM). The results show that the pores of the template were straight and had nearly the same diameter. Cobalt nanowires are hcp polycrystal. The cobalt nanowires show a clear magnetic anisotropy. This is mainly due to shape anisotropy.

Key words: Porous anodic aluminium oxide, Electrochemical deposition, Nanowire, Shape anisotropy

CLC Number:

O646
O488

TrendMD:

WEN Ge-Hui, REN Fang-Xing, DENG Yong-Feng, ZHAO Qiang, ZOU Guang-Tian. Template Preparation and Magnetic Properties of Cobalt Nanowires[J]. Chem. J. Chinese Universities, doi: .

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Template Preparation and Magnetic Properties of Cobalt Nanowires

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