Synthesis and magnetic properties of Fe100-xMox alloy nanowire arrays

doi:10.1088/1674-1056/20/5/057502

中国物理B ›› 2011, Vol. 20 ›› Issue (5): 57502-057502.doi: 10.1088/1674-1056/20/5/057502

• CONDENSED MATTER: ELECTRONIC STRUCTURE, ELECTRICAL, MAGNETIC, AND OPTICAL PROPERTIES • 上一篇下一篇

Synthesis and magnetic properties of Fe_100-xMo_x alloy nanowire arrays

高华, 高大强, 薛德胜

Key Laboratory for Magnetism and Magnetic Materials of the Ministry of Education, Lanzhou University, Lanzhou 730000, China

收稿日期:2010-09-09 修回日期:2011-01-25 出版日期:2011-05-15 发布日期:2011-05-15
基金资助:
Project supported by the National Science Fund for Distinguished Young Scholars, China (Grant No. 50925103), the Key Program of the Chinese Ministry of Education (Grant No. 309027), and the Fund for Academic Newcomer of Ph. D. of Lanzhou University, China

Synthesis and magnetic properties of Fe_100-xMo_x alloy nanowire arrays

Gao Hua (高华), Gao Da-Qiang (高大强), Xue De-Sheng (薛德胜)

Key Laboratory for Magnetism and Magnetic Materials of the Ministry of Education, Lanzhou University, Lanzhou 730000, China

Received:2010-09-09 Revised:2011-01-25 Online:2011-05-15 Published:2011-05-15
Supported by:
Project supported by the National Science Fund for Distinguished Young Scholars, China (Grant No. 50925103), the Key Program of the Chinese Ministry of Education (Grant No. 309027), and the Fund for Academic Newcomer of Ph. D. of Lanzhou University, China.

摘要/Abstract

摘要： The Fe_100-xMo_x (13 < x < 25) alloy nanowire arrays are synthesized by electrodeposition of Fe^{2 +}and Mo^{2 +}with different ionic ratios into the anodic aluminum oxide templates. The crystals of Fe_100-xMo_x alloy nanowires gradually change from polycrystalline phase to amorphous phase with the increase of the Mo content and the nanowires are of amorphous structure when the Mo content reaches 25 at%, which are revealed by the X-ray diffraction and the selected area electron diffraction patterns. As the Mo content increases, the magnetic hysteresis loops of Fe_100-xMo_x alloy nanowires in parallel to the nanowire axis are not rectangular and the slopes of magnetic hysteresis loops increase. Those results indicate that the magnetostatic interactions between nanowires and the magnetocrystalline anisotropy both have significant influences on the magnetization reversal process of the nanowire arrays.

Abstract: The Fe_100-xMo_x (13 < x < 25) alloy nanowire arrays are synthesized by electrodeposition of Fe^{2 +}and Mo^{2 +}with different ionic ratios into the anodic aluminum oxide templates. The crystals of Fe_100-xMo_x alloy nanowires gradually change from polycrystalline phase to amorphous phase with the increase of the Mo content and the nanowires are of amorphous structure when the Mo content reaches 25 at%, which are revealed by the X-ray diffraction and the selected area electron diffraction patterns. As the Mo content increases, the magnetic hysteresis loops of Fe_100-xMo_x alloy nanowires in parallel to the nanowire axis are not rectangular and the slopes of magnetic hysteresis loops increase. Those results indicate that the magnetostatic interactions between nanowires and the magnetocrystalline anisotropy both have significant influences on the magnetization reversal process of the nanowire arrays.

Key words: amorphous materials, Fe_100-xMo_x, magnetic properties

中图分类号: (Amorphous and quasicrystalline magnetic materials)

75.50.Kj

75.50.Bb (Fe and its alloys) 75.30.Gw (Magnetic anisotropy)

高华, 高大强, 薛德胜. Synthesis and magnetic properties of Fe_100-xMo_x alloy nanowire arrays[J]. 中国物理B, 2011, 20(5): 57502-057502.

Gao Hua (高华), Gao Da-Qiang (高大强), Xue De-Sheng (薛德胜). Synthesis and magnetic properties of Fe_100-xMo_x alloy nanowire arrays[J]. Chin. Phys. B, 2011, 20(5): 57502-057502.

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Synthesis and magnetic properties of Fe_100-xMo_x alloy nanowire arrays

Synthesis and magnetic properties of Fe_100-xMo_x alloy nanowire arrays

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