Direct Writing of Shape-Gradient Magnetic Alloy Microwire Arrays with Meniscus-Confined Electrodeposition Process

Weiye Nie, Yu Lei, Yifan Zhang, Qingqing Gao, Jiangang Chen, Xianyun Zhang, Lifeng Yuan, Yuchuan Cheng, Aihua Sun, Gang Wang, Gaojie Xu, Jianjun Guo

Research output: Contribution to journalArticlepeer-review

2 Scopus citations


Gradient magnetic micro/nanowire arrays have attracted widespread attention due to their interesting properties. However, fabricating such an ordered array of gradient micro/nanowires with controllable diameters and compositions is still a great challenge to most of the current methods. Here, meniscus-confined electrodeposition (MCED) technique is adopted for the rapid prototyping of the shape-gradient magnetic Cu/Co-alloy microwire arrays by adjusting the printing speed continuously, which provides a novel idea for the preparation and performance research of shape-gradient magnetic alloy microwire arrays with well-defined structures. It is found that the key to fabricating controllable gradient alloy micro/nano structures by increasing the printing speed is to continuously stretch the meniscus within the stable range of the meniscus. In the range of incremental speed in this study, the shape-gradient magnetic alloy wires with stable and uniform compositions and dense internal structures can be successfully prepared, and the gradient ratio can be adjusted from 0 to about 0.025. Compared with the uniform-diameter array, the shape-gradient magnetic alloy array shows an improvement in remanence and coercive force.
Original languageEnglish (US)
Pages (from-to)2200024
JournalAdvanced Materials Technologies
StatePublished - May 20 2022

Bibliographical note

KAUST Repository Item: Exported on 2022-05-26
Acknowledgements: Financially supported by the National Natural Science Foundation of China (Grant No. 11574331), and the Ningbo Science & Technology Bureau (Grant No. 2020Z049).


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