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Applied Physics Letters / Volume 100 / Issue 5 / MAGNETICS AND SPINTRONICS

Appl. Phys. Lett. 100, 052402 (2012); http://dx.doi.org/10.1063/1.3681136 (3 pages)

Fabrication and magnetic properties of free-standing Ni nanotube arrays with controllable wall thickness

Y. L. Li, S. L. Tang, R. Xie, Y. Wang, M. Yang, J. L. Gao, W. B. Xia, and Y. W. Du

Nanjing National Laboratory of Microstructures, Jiangsu Provincial Laboratory for Nanotechnology and Department of Physics, Nanjing University, Nanjing 210093, People’s Republic of China

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(Received 6 December 2011; accepted 10 January 2012; published online 31 January 2012)

Free-standing Ni nanotubes were fabricated on silicon substrate using anodic aluminum oxide/polypyrrole composite template. The diameter, length, and wall thickness of the nanotubes can be precisely and independently controlled. Magnetic measurements show that the magnetic anisotropic properties are strongly dependent on the wall thickness of nanotubes. Theoretical analysis and micromagnetic simulation were performed to explain the wall thickness-dependent anisotropic behavior.

© 2012 American Institute of Physics

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KEYWORDS, PACS, and IPC

Keywords

ferromagnetic materials, magnetic anisotropy, micromagnetics, nanofabrication, nanomagnetics, nanotubes, nickel

PACS

International Patent Classification (IPC)

  • B82B1/00

    Nano-structures

  • B82B3/00

    Manufacture or treatment of nano-structures

  • H01F1/00

    Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties

ARTICLE DATA

Digital Object Identifier
http://dx.doi.org/10.1063/1.3681136

PUBLICATION DATA

ISSN

0003-6951 (print)  
1077-3118 (online)

Publisher

$abstract.society.value is a Member of CrossRef American Institute of Physics

For access to fully linked references, you need to log in.
    L. Li, Y. W. Yang, X. H. Huang, G. H. Li, R. Ang, and L. D. Zhang, Appl. Phys. Lett. 88, 103119 (2006)APPLAB000088000010103119000001.

    D. Zhou, M. G. Zhu, M. G. Zhou, Z. H. Guo, and W. Li, J. Appl. Phys. 109, 07B720 (2011)JAPIAU00010900000707B720000001.


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