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Structure and magnetic properties of Fe 96− x Zr x B 4 nanowire arrays
2013
Fe96−x Zr x B4 (1nanowires were prepared by electrodepositing into anodic aluminum oxide templates. The diameter of nanowires used is 100 nm and the aspect ratio is 75. The structure of the nanowire arrays was studied by selected area electron diffraction, X-ray diffraction and Mossbauer spectrometer. The phase structure of Fe96−x Zr x B4 nanowires is changed from a crystalline phase to a homogenous amorphous phase with the increasing of Zr content. The Fe96−x Zr x B4 nanowires are composed of α-Fe-like and Zr-rich FeZrB phases. With the increasing of Zr composition, the atoms of Fe site in both phases are more disorderly, and the α-Fe-like phase decreasing with the FeZrB phase increasing. The anisotropy of Fe96−x Zr x B4 nanowires becomes more obvious with the increasing of Zr content, and the easy magnetizing axis is parallel to the nanowire arrays.
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