Studies of electrical resistivity and magnetic properties of CuFe and CuNiFe films prepared by magnetron sputtering

Author:

Shahzad Muhammad Saqib1ORCID,Wang Xiao1ORCID,Hu Yinglin1,Li Xiaona1ORCID,Jiang Qiao1,Li Min1,Li ZhuMin2,Liu Renwei3,Zheng Rui3,Dong Chuang14

Affiliation:

1. Key Laboratory of Materials Modification by Laser, Ion and Electron Beams (Ministry of Education), School of Materials Science and Engineering, Dalian University of Technology 1 , Dalian 116024, China

2. School of Materials Science and Engineering, Anhui Polytechnic University 2 , Wuhu 241000, China

3. Shimadzu China Co. Ltd 3 , Shanghai 200233, China

4. School of Materials Science and Engineering, Dalian Jiaotong University 4 , Dalian 116024, China

Abstract

The Cu-Fe binary alloys exhibit severe elemental segregation, resulting in an inhomogeneous microstructure, which leads to differences in microregion magnetic properties, thus affecting their application. Employing magnetron sputtering to produce films is advantageous for achieving a consistent dispersion of Fe within the Cu matrix. Furthermore, the addition of Ni will result in a more uniform distribution of Fe and facilitate the formation of the ferromagnetic Ni3Fe phase. In this study, Cu100−xFex and Cu100−x(Ni3/4Fe1/4)x series films were prepared by magnetron sputtering technique. The magnetic properties of films are closely related to their ferromagnetic element content. An increase in the content of ferromagnetic elements leads to an improvement in the saturation magnetization (MS) strength and a decrease in the coercivity (HC). The formation of Fe-Fe pairs is more favorable for magnetic properties compared to Ni-Fe pairs. Meanwhile, by comparing with bulk alloys, the distribution of the magnetic elements severely affects the magnetic properties. Moreover, the resistivity of Cu100−xFex films (20.3–96.7 μΩ cm) is much higher than that of Cu100−x(Ni3/4Fe1/4)x films (15.6–60.6 μΩ cm), which depends on the magnetic properties. This study systematically analyzes the effect of the content and distribution of magnetic elements on magnetic and electrical properties.

Funder

National Natural Science Foundation of China

Publisher

American Vacuum Society

Cited by 1 articles. 订阅此论文施引文献 订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献

1. The Study of the Electrochemical Corrosion Behavior of Cu-30%Fe Nanoalloy;Journal of Metastable and Nanocrystalline Materials;2024-08-19

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