Magnetic investigations of post-annealed metallic Fe nanowires via electrodeposition method

被引：15
作者：
Irfan, Muhammad [1 ]
Khan, U. [1 ]
Li, Wenjing [1 ]
Adeela, N. [2 ]
Javed, K. [1 ]
Han, X. F. [1 ]
机构：
[1] Chinese Acad Sci, Inst Phys, Beijing Natl Lab Condensed Matter Phys, Beijing 100190, Peoples R China
[2] Univ Punjab, Ctr High Energy Phys, Lahore 54000, Pakistan
来源：
MATERIALS LETTERS | 2016年 / 180卷
基金：
中国国家自然科学基金;
关键词：
Electrodeposition; Nanowires; Annealing treatment; Magnetic response; SHELL;
D O I：
10.1016/j.matlet.2016.05.131
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Smooth and long Fe nanowire (NW) arrays were successfully fabricated inside nano-channels of anodic aluminum oxide (AAO) template with DC electrodeposition method at room temperature. As-synthesized Fe NWs were investigated by scanning electron microscopy (SEM), energy-dispersive X-ray (EDX) methods and X-Ray diffraction (XRD) for morphology, elemental analysis and structural information, respectively. It has been observed that embedded Fe NWs have bcc crystal structure and polycrystalline nature. Shape anisotropy played the dominant role to orient the magnetic moments along the nanowires long axes. Low squarness (Mr/Ms) values for in-plane magnetization loops demonstrate the presence of dipole interaction field between the nanowires due to high pore density or small inter-pore distance (similar to 125 nm). Annealing treatment improved the magnetic properties of Fe nanowires. The possible magnetic discussions in nano-geometry have been presented in detail. (C) 2016 Elsevier B.V. All rights reserved.
引用
收藏
页码：235 / 238
页数：4
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