Strain-restricted transfer of ferromagnetic electrodes for constructing reproducibly superior-quality spintronic devices

Lidan Guo, Xianrong Gu, Shunhua Hu, Wenchao Sun, Rui Zhang, Yang Qin, Ke Meng, Xiangqian Lu, Yayun Liu, Jiaxing Wang, Peijie Ma, Cheng Zhang, Ankang Guo, Tingting Yang, Xueli Yang, Guorui Wang, Yaling Liu, Kai Wang, Wenbo Mi, Chuang Zhang, Lang Jiang, Luqi Liu, Kun Zheng, Wei Qin (), Wenjing Yan and Xiangnan Sun ()
Additional contact information
Lidan Guo: CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology
Xianrong Gu: CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology
Shunhua Hu: CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology
Wenchao Sun: Tianjin University
Rui Zhang: CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology
Yang Qin: CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology
Ke Meng: CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology
Xiangqian Lu: Shandong University
Yayun Liu: CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology
Jiaxing Wang: Faculty of Materials and Manufacturing, Beijing University of Technology
Peijie Ma: Faculty of Materials and Manufacturing, Beijing University of Technology
Cheng Zhang: CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology
Ankang Guo: CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology
Tingting Yang: CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology
Xueli Yang: CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology
Guorui Wang: University of Science and Technology of China
Yaling Liu: CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology
Kai Wang: Ministry of Education, Beijing Jiaotong University
Wenbo Mi: Tianjin University
Chuang Zhang: Chinese Academy of Sciences
Lang Jiang: Chinese Academy of Sciences
Luqi Liu: CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology
Kun Zheng: Faculty of Materials and Manufacturing, Beijing University of Technology
Wei Qin: Shandong University
Wenjing Yan: University of Nottingham
Xiangnan Sun: CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology

Nature Communications, 2024, vol. 15, issue 1, 1-10

Abstract: Abstract Spintronic device is the fundamental platform for spin-related academic and practical studies. However, conventional techniques with energetic deposition or boorish transfer of ferromagnetic metal inevitably introduce uncontrollable damage and undesired contamination in various spin-transport-channel materials, leading to partially attenuated and widely distributed spintronic device performances. These issues will eventually confuse the conclusions of academic studies and limit the practical applications of spintronics. Here we propose a polymer-assistant strain-restricted transfer technique that allows perfectly transferring the pre-patterned ferromagnetic electrodes onto channel materials without any damage and change on the properties of magnetism, interface, and channel. This technique is found productive for pursuing superior-quality spintronic devices with high controllability and reproducibility. It can also apply to various-kind (organic, inorganic, organic-inorganic hybrid, or carbon-based) and diverse-morphology (smooth, rough, even discontinuous) channel materials. This technique can be very useful for reliable device construction and will facilitate the technological transition of spintronic study.

Date: 2024
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DOI: 10.1038/s41467-024-45200-7

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