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Yamamoto T, Nozaki T, Imamura H, et al. Voltage-Driven Magnetization Switching Controlled by Microwave Electric Field Pumping. Nano Lett. 2020;20(8):6012-6017doi: 10.1021/acs.nanolett.0c02022.
Yamamoto, T., Nozaki, T., Imamura, H., Tamaru, S., Yakushiji, K., Kubota, H., Fukushima, A., & Yuasa, S. (2020). Voltage-Driven Magnetization Switching Controlled by Microwave Electric Field Pumping. Nano letters, 20(8), 6012-6017. https://doi.org/10.1021/acs.nanolett.0c02022
Yamamoto, Tatsuya, et al. "Voltage-Driven Magnetization Switching Controlled by Microwave Electric Field Pumping." Nano letters vol. 20,8 (2020): 6012-6017. doi: https://doi.org/10.1021/acs.nanolett.0c02022
Yamamoto T, Nozaki T, Imamura H, Tamaru S, Yakushiji K, Kubota H, Fukushima A, Yuasa S. Voltage-Driven Magnetization Switching Controlled by Microwave Electric Field Pumping. Nano Lett. 2020 Aug 12;20(8):6012-6017. doi: 10.1021/acs.nanolett.0c02022. Epub 2020 Jul 14. PMID: 32649831.
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Nano Lett. 2020 Aug 12;20(8):6012-6017. doi: 10.1021/acs.nanolett.0c02022. Epub 2020 Jul 14.

Voltage-Driven Magnetization Switching Controlled by Microwave Electric Field Pumping.

Nano letters

Tatsuya Yamamoto, Takayuki Nozaki, Hiroshi Imamura, Shingo Tamaru, Kay Yakushiji, Hitoshi Kubota, Akio Fukushima, Shinji Yuasa

Affiliations

  1. National Institute of Advanced Industrial Science and Technology (AIST), Spintronics Research Center, Tsukuba, Ibaraki 305-8568, Japan.

PMID: 32649831 DOI: 10.1021/acs.nanolett.0c02022

Abstract

We study the dynamic switching properties of a nanomagnet under microwave electric field pumping. The periodic modulation of an anisotropy field induced by microwave electric field pumping efficiently excites the uniform magnetization oscillation, allowing for precise control of magnetization switching. Accurate shaping of the pumping voltage waveform also enables us to investigate the transient reaction of magnetization to the relative phase difference of the pumping signal. We demonstrate both experimentally and theoretically the existence of a

Keywords: Parametric excitation; magnetic tunnel junction; magnetization switching; voltage-controlled magnetic anisotropy

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