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arXiv · 2001.00502

Wireless communication between two magnetic tunnel junctions acting as oscillator and diode

Danijela Marković·Nathan Leroux·Alice Mizrahi·Juan Trastoy·Vincent Cros·Paolo Bortolotti·Leandro Martins·Alex Jenkins·Ricardo Ferreira·Julie Grollier
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Abstract

Magnetic tunnel junctions are nanoscale spintronic devices with microwave generation and detection capabilities. Here we use the rectification effect called "spin-diode" in a magnetic tunnel junction to wirelessly detect the microwave emission of another junction in the auto-oscillatory regime. We show that the rectified spin-diode voltage measured at the receiving junction end can be reconstructed from the independently measured auto-oscillation and spin diode spectra in each junction. Finally we adapt the auto-oscillator model to the case of spin-torque oscillator and spin-torque diode and we show that accurately reproduces the experimentally observed features. These results will be useful to design circuits and chips based on spintronic nanodevices communicating through microwaves.

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Danijela Marković, Nathan Leroux, Alice Mizrahi, Juan Trastoy, Vincent Cros, Paolo Bortolotti, Leandro Martins, Alex Jenkins, Ricardo Ferreira, Julie Grollier. 2020-01-02. Wireless communication between two magnetic tunnel junctions acting as oscillator and diode. https://doi.org/10.1103/physrevapplied.13.044050

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