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Piezo voltage controlled planar hall effect devices

Zhang, Bao; Meng, Kang-Kang; Yang, Mei-Yin; Edmonds, K.W.; Zhang, Hao; Cai, Kai-Ming; Sheng, Yu; Zhang, Nan; Ji, Yang; Zhao, Jian-Hua; Zheng, Hou-Zhi; Wang, Kai-You

Authors

Bao Zhang

Kang-Kang Meng

Mei-Yin Yang

KEVIN EDMONDS kevin.edmonds@nottingham.ac.uk
Associate Professor & Reader in Physics

Hao Zhang

Kai-Ming Cai

Yu Sheng

Nan Zhang

Yang Ji

Jian-Hua Zhao

Hou-Zhi Zheng

Kai-You Wang



Abstract

The electrical control of the magnetization switching in ferromagnets is highly desired for future spintronic applications. Here we report on hybrid piezoelectric (PZT)/ferromagnetic (Co2FeAl) devices in which the planar Hall voltage in the ferromagnetic layer is tuned solely by piezo voltages. The change of planar Hall voltage is associated with magnetization switching through 90° in the plane under piezo voltages. Room temperature magnetic NOT and NOR gates are demonstrated based on the piezo voltage controlled Co2FeAl planar Hall effect devices without the external magnetic field. Our demonstration may lead to the realization of both information storage and processing using ferromagnetic materials.

Citation

Zhang, B., Meng, K., Yang, M., Edmonds, K., Zhang, H., Cai, K., …Wang, K. (2016). Piezo voltage controlled planar hall effect devices. Scientific Reports, 6(1), https://doi.org/10.1038/srep28458

Journal Article Type Article
Acceptance Date Jun 6, 2016
Online Publication Date Jun 22, 2016
Publication Date Jun 22, 2016
Deposit Date Mar 7, 2017
Publicly Available Date Mar 7, 2017
Journal Scientific Reports
Print ISSN 2045-2322
Electronic ISSN 2045-2322
Publisher Nature Publishing Group
Peer Reviewed Peer Reviewed
Volume 6
Issue 1
Article Number 28458
DOI https://doi.org/10.1038/srep28458
Public URL http://eprints.nottingham.ac.uk/id/eprint/39501
Publisher URL http://www.nature.com/articles/srep28458
Related Public URLs http://www.nature.com/articles/srep28458
Copyright Statement Copyright information regarding this work can be found at the following address: http://creativecommons.org/licenses/by/4.0

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Copyright Statement
Copyright information regarding this work can be found at the following address: http://creativecommons.org/licenses/by/4.0





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