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各层对钕/铁/聚酰胺66三层同轴纳米电缆各向异性磁性能的影响

Effect of Each Layer on Anisotropic Magnetic Properties of Nd/Fe/Polyamide 66 Three-Layer Coaxial Nanocables.

作者信息

Li Xiao-Ru, Wang Xiao-Xiong, Ma Li-Chun, Peng Zhi, Yang Chao, Han Ping, Li Hong-Yan, Miao Yu-Cong, Long Yun-Ze, Song Guo-Jun

机构信息

Institute of Polymer Materials, College of Physics, and College of Chemistry and Chemical Engineering, Qingdao University, No. 308 Ningxia Road, Qingdao 266071, China.

出版信息

ACS Omega. 2018 Mar 30;3(3):3617-3621. doi: 10.1021/acsomega.8b00171. eCollection 2018 Mar 31.

DOI:10.1021/acsomega.8b00171
PMID:31458612
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC6641482/
Abstract

One-dimensional (1D) Nd/Fe/polyamide 66 (Nd/Fe/PA66) three-layer coaxial nanocable arrays with high aspect ratio and highly anisotropic magnetization were successfully prepared via layer-by-layer deposition in the anodic aluminum oxide template. The morphology, chemical composition, and magnetic properties of Nd/Fe/PA66 nanocables were characterized by scanning electron microscopy, transmission electron microscopy, X-ray diffraction, and vibrating sample magnetometry . The effects of 1D nanocables on the magnetic properties of the assembled ordered arrays have been systematically investigated. The structural properties of these nanostructures are investigated as a function of the geometrical parameters. The magnetic anisotropy of Nd/Fe/PA66 nanocables has been significantly enhanced owing to the doped Nd that possesses a larger spin-orbital coupling and leads to a synergistic effect with Fe to enhance anisotropy energy.

摘要

通过在阳极氧化铝模板中逐层沉积，成功制备了具有高纵横比和高度各向异性磁化强度的一维（1D）钕/铁/聚酰胺66（Nd/Fe/PA66）三层同轴纳米电缆阵列。通过扫描电子显微镜、透射电子显微镜、X射线衍射和振动样品磁强计对Nd/Fe/PA66纳米电缆的形貌、化学成分和磁性能进行了表征。系统研究了一维纳米电缆对组装有序阵列磁性能的影响。研究了这些纳米结构的结构性质与几何参数的关系。由于掺杂的钕具有较大的自旋轨道耦合，并与铁产生协同效应以增强各向异性能量，Nd/Fe/PA66纳米电缆的磁各向异性得到了显著增强。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/34f1/6641482/458a0575d995/ao-2018-00171f_0006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/34f1/6641482/00de8003141c/ao-2018-00171f_0001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/34f1/6641482/73fd3f73dd60/ao-2018-00171f_0002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/34f1/6641482/2085791f5dd6/ao-2018-00171f_0003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/34f1/6641482/d5a1d2da8ad8/ao-2018-00171f_0004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/34f1/6641482/2484d33ad71d/ao-2018-00171f_0005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/34f1/6641482/458a0575d995/ao-2018-00171f_0006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/34f1/6641482/00de8003141c/ao-2018-00171f_0001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/34f1/6641482/73fd3f73dd60/ao-2018-00171f_0002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/34f1/6641482/2085791f5dd6/ao-2018-00171f_0003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/34f1/6641482/d5a1d2da8ad8/ao-2018-00171f_0004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/34f1/6641482/2484d33ad71d/ao-2018-00171f_0005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/34f1/6641482/458a0575d995/ao-2018-00171f_0006.jpg

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