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Fabrication and Mossbauer Study of FeCo Alloy Nanotube Array |
| ZHOU Dong;LI Zhi-Wei;YANG Xu;WEN Fu-Sheng;LI Fa-Shen |
| Institute of Applied Magnetics, Key Laboratory for Magnetism and Magnetic Materials of the Ministry of Education, Lanzhou University, Lanzhou 730000 |
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| Cite this article: |
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ZHOU Dong, LI Zhi-Wei, YANG Xu et al 2008 Chin. Phys. Lett. 25 1865-1867 |
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Abstract Arrays of FeCo nanotubes are fabricated in the pores of porous anodic aluminium oxide templates. Transmission electron microscopic result shows that the nanotubes are regular and uniform. Magnetic hysteresis loops measured at room temperature are different from those of nanowires with the same composition, which are caused by the unique shape of nanotubes. The Mossbauer spectra show that the hyperfine field is smaller than that of the bulk's and increases with decrease of measuring temperature. However, the areas of the doublets appeared in Mossbauer spectra decrease with
decrease of measuring temperature.
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| Keywords:
75.50.Bb. 75.75.+a
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Received: 28 January 2008
Published: 29 April 2008
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