DataVXAdvanced Materials InterfacesPaper
journal article·2022-05

Voltage Manipulation of Synthetic Antiferromagnetism in CoFeB/Ta/CoFeB Heterostructure for Spintronic Application

Wanjun Peng, Lei Wang, Yaojin Li, Yujing Du, Zhexi He, Chenying Wang, Yifan Zhao, Zhuangde Jiang, Ziyao Zhou, Ming Liu

Advanced Materials Interfaces· Volume 9· Issue 14
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Source abstract

Abstract

Abstract The synthetic antiferromagnets (SAFs) with inserted heavy metal tantalum (Ta) are attracting an increasing interest due to the relatively large spin Hall angles, resulting in a much lower driven current for low‐power consumption, and the conduciveness to high magnetoresistance, showing more suitability for an application. Here, stable and reversible switching behavior is experimentally realized between antiferromagnetic (AFM) coupling and ferromagnetic (FM) coupling in Co40Fe40B20/Ta/Co40Fe40B20/(011) Pb(Mg1/3Nb2/3)O3‐PbTiO3 (PMN‐PT) multiferroic heterostructures after applying an external voltage, proved by vibrating sample magnetometer (VSM) and ferromagnetic resonance (FMR) measurements. The indirect interaction shows no periodical oscillation with the layer thicknesses variation of FM layer or nonmagnetic (NM) layer experimentally, which is consistent with the previous reports in theoretical calculation. This work is instructive and guiding for a better understanding of SAFs and realizing the next generation of AFM spintronic devices.
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Research context

OpenAlex topics: Magnetic properties of thin films · Multiferroics and related materials · Magnetic and transport properties of perovskites and related materials

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Electronic Materials Research Laboratory Key Laboratory of the Ministry of Education & International Center for Dielectric Research School of Electronic Science and Engineering State Key Laboratory for Manufacturing Systems Engineering Collaborative Innovation Center of High‐End Manufacturing Equipment Xi'an Jiaotong University Xi'an 710049 China

Center for Spintronics and Quantum Systems State Key Laboratory for Mechanical Behavior of Materials Xi'an Jiaotong University Xi'an 710049 China

The International Joint Laboratory for Micro/Nano Manufacturing and Measurement Technology Xi'an Jiaotong University Xi'an 710049 China

Funding

National Natural Science Foundation of China · Fundamental Research Funds for the Central Universities · Higher Education Discipline Innovation Project · China Postdoctoral Science Foundation

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