Effect of external magnetic field on magnetic properties of Co-Pt nanotubes and nanowires

J. Y. Chen; H. R. Liu; N. Ahmad; Y. L. Li; Z. Y. Chen; W. P. Zhou; X. F. Han

doi:10.1063/1.3565205

Effect of external magnetic field on magnetic properties of Co-Pt nanotubes and nanowires

J. Y. Chen, H. R. Liu, N. Ahmad, Y. L. Li, Z. Y. Chen, W. P. Zhou, X. F. Han

Electrical and Computer Engineering

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

30 Scopus citations

Abstract

Well-ordered Co₉₀Pt₁₀ nanotubes and nanowires have been fabricated into anodic aluminum oxide (AAO) templates by using a dc electrodeposition method. The effects of an external magnetic field on the magnetic properties of Co₉₀Pt₁₀ nanotubes and nanowires are investigated. The results show that the external magnetic field during electrodeposition has a significant effect on Co₉₀Pt₁₀ nanowires, as well as nanotubes. The external magnetic field induces good texture and large grain size in Co₉₀Pt₁₀ nanowires, causing a reduction of coercivity. An obvious uniaxial anisotropy is induced in Co₉₀Pt₁₀ nanotubes, causing the crossover of the easy axis along the directions of an external magnetic field.

Original language	English (US)
Article number	07E157
Journal	Journal of Applied Physics
Volume	109
Issue number	7
DOIs	https://doi.org/10.1063/1.3565205
State	Published - Apr 1 2011

Bibliographical note

Funding Information:
The project was supported by the State Key Project of Fundamental Research of Ministry of Science and Technology (MOST, No. 2010CB934400) and National Natural Science Foundation of China (NSFC, Grant Nos. 10934099, 10874225 and 51021061), and the partial support of Graduate Education Project of Beijing Municipal Commission of Education and K. C. Wong Education Foundation, Hong Kong.

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title = "Effect of external magnetic field on magnetic properties of Co-Pt nanotubes and nanowires",

abstract = "Well-ordered Co90Pt10 nanotubes and nanowires have been fabricated into anodic aluminum oxide (AAO) templates by using a dc electrodeposition method. The effects of an external magnetic field on the magnetic properties of Co90Pt10 nanotubes and nanowires are investigated. The results show that the external magnetic field during electrodeposition has a significant effect on Co90Pt10 nanowires, as well as nanotubes. The external magnetic field induces good texture and large grain size in Co90Pt10 nanowires, causing a reduction of coercivity. An obvious uniaxial anisotropy is induced in Co90Pt10 nanotubes, causing the crossover of the easy axis along the directions of an external magnetic field.",

author = "Chen, {J. Y.} and Liu, {H. R.} and N. Ahmad and Li, {Y. L.} and Chen, {Z. Y.} and Zhou, {W. P.} and Han, {X. F.}",

note = "Funding Information: The project was supported by the State Key Project of Fundamental Research of Ministry of Science and Technology (MOST, No. 2010CB934400) and National Natural Science Foundation of China (NSFC, Grant Nos. 10934099, 10874225 and 51021061), and the partial support of Graduate Education Project of Beijing Municipal Commission of Education and K. C. Wong Education Foundation, Hong Kong.",

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T1 - Effect of external magnetic field on magnetic properties of Co-Pt nanotubes and nanowires

AU - Chen, J. Y.

AU - Liu, H. R.

AU - Ahmad, N.

AU - Li, Y. L.

AU - Chen, Z. Y.

AU - Zhou, W. P.

AU - Han, X. F.

N1 - Funding Information: The project was supported by the State Key Project of Fundamental Research of Ministry of Science and Technology (MOST, No. 2010CB934400) and National Natural Science Foundation of China (NSFC, Grant Nos. 10934099, 10874225 and 51021061), and the partial support of Graduate Education Project of Beijing Municipal Commission of Education and K. C. Wong Education Foundation, Hong Kong.

PY - 2011/4/1

Y1 - 2011/4/1

N2 - Well-ordered Co90Pt10 nanotubes and nanowires have been fabricated into anodic aluminum oxide (AAO) templates by using a dc electrodeposition method. The effects of an external magnetic field on the magnetic properties of Co90Pt10 nanotubes and nanowires are investigated. The results show that the external magnetic field during electrodeposition has a significant effect on Co90Pt10 nanowires, as well as nanotubes. The external magnetic field induces good texture and large grain size in Co90Pt10 nanowires, causing a reduction of coercivity. An obvious uniaxial anisotropy is induced in Co90Pt10 nanotubes, causing the crossover of the easy axis along the directions of an external magnetic field.

AB - Well-ordered Co90Pt10 nanotubes and nanowires have been fabricated into anodic aluminum oxide (AAO) templates by using a dc electrodeposition method. The effects of an external magnetic field on the magnetic properties of Co90Pt10 nanotubes and nanowires are investigated. The results show that the external magnetic field during electrodeposition has a significant effect on Co90Pt10 nanowires, as well as nanotubes. The external magnetic field induces good texture and large grain size in Co90Pt10 nanowires, causing a reduction of coercivity. An obvious uniaxial anisotropy is induced in Co90Pt10 nanotubes, causing the crossover of the easy axis along the directions of an external magnetic field.

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Effect of external magnetic field on magnetic properties of Co-Pt nanotubes and nanowires

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