Templated assembly of magnetic cobalt nanowire arrays

A. K. Srivastava; R. S. Singh; K. E. Sampson; V. P. Singh; R. V. Ramanujan

doi:10.1007/s11661-007-9096-7

Templated assembly of magnetic cobalt nanowire arrays

A. K. Srivastava, R. S. Singh, K. E. Sampson, V. P. Singh, R. V. Ramanujan^*

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

26 Citations (Scopus)

Abstract

A template-assisted assembly technique combined with a chemical synthesis approach has been used to produce high density magnetic cobalt nanowire arrays. Cobalt nanowires were formed using chemical synthesis techniques, by borohydride reduction of cobalt salt in the pores of anodic aluminum oxide (AAO) templates; the samples were annealed in order to achieve nanowires with hcp crystal structure. The morphology and the crystal structure were controlled by the template geometry and annealing conditions, respectively. Magnetic property measurements showed the influence of morphology and crystal structure on the magnetic properties of the arrays.

Original language	English
Pages (from-to)	717-724
Number of pages	8
Journal	Metallurgical and Materials Transactions A: Physical Metallurgy and Materials Science
Volume	38
Issue number	4
DOIs	https://doi.org/10.1007/s11661-007-9096-7
Publication status	Published - Apr 2007
Externally published	Yes

ASJC Scopus Subject Areas

Condensed Matter Physics
Mechanics of Materials
Metals and Alloys

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AU - Sampson, K. E.

AU - Singh, V. P.

AU - Ramanujan, R. V.

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N2 - A template-assisted assembly technique combined with a chemical synthesis approach has been used to produce high density magnetic cobalt nanowire arrays. Cobalt nanowires were formed using chemical synthesis techniques, by borohydride reduction of cobalt salt in the pores of anodic aluminum oxide (AAO) templates; the samples were annealed in order to achieve nanowires with hcp crystal structure. The morphology and the crystal structure were controlled by the template geometry and annealing conditions, respectively. Magnetic property measurements showed the influence of morphology and crystal structure on the magnetic properties of the arrays.

AB - A template-assisted assembly technique combined with a chemical synthesis approach has been used to produce high density magnetic cobalt nanowire arrays. Cobalt nanowires were formed using chemical synthesis techniques, by borohydride reduction of cobalt salt in the pores of anodic aluminum oxide (AAO) templates; the samples were annealed in order to achieve nanowires with hcp crystal structure. The morphology and the crystal structure were controlled by the template geometry and annealing conditions, respectively. Magnetic property measurements showed the influence of morphology and crystal structure on the magnetic properties of the arrays.

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Templated assembly of magnetic cobalt nanowire arrays

Abstract

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