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Detection of Subterahertz Oscillations Using an Antiferromagnet/Heavy-Metal Heterostructure

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Abstract

A model of a detector of subterahertz electromagnetic waves based on an array of heterostructures containing an antiferromagnet and a heavy metal has been studied. It is shown that the operating frequency of the detector can be tuned by a dc magnetic field applied along the easy magnetization axis of an antiferromagnet. The dependence of the rectified voltage on the frequency of an external electromagnetic wave in different dc magnetic fields is resonant, and an increase in the dc magnetic field leads to an increase in the resonance peak. It is demonstrated that the use of a comb-shaped antiferromagnetic array makes it possible to increase the rectified output voltage.

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Funding

This study was carried out within the framework of the project “Development of Signal Forming, Receiving, and Processing Devices Based on Magnetic Nanostructures” and supported by a grant of National Research University “Moscow Power Engineering Institute” for the implementation of the research programs “Energy,” “Electronics, Radio Engineering, and IT,” and “Technologies 4.0 for Industry and Robotics” in 2020−2022.

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Authors and Affiliations

  1. Kotelnikov Institute of Radio Engineering and Electronics, Russian Academy of Sciences, 125009, Moscow, Russia

    E. E. Kozlova & A. R. Safin

  2. National Research University “Moscow Power Engineering Institute,”, 111250, Moscow, Russia

    E. E. Kozlova & A. R. Safin

Authors
  1. E. E. Kozlova
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  2. A. R. Safin
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Correspondence to E. E. Kozlova.

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The authors declare that they have no conflicts of interest.

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Translated by E. Bondareva

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Kozlova, E.E., Safin, A.R. Detection of Subterahertz Oscillations Using an Antiferromagnet/Heavy-Metal Heterostructure. Tech. Phys. Lett. 48, 128–132 (2022). https://doi.org/10.1134/S1063785022040095

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  • DOI: https://doi.org/10.1134/S1063785022040095

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