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Microwave functionality of spintronic devices implemented in a hybrid complementary metal oxide semiconductor and magnetic tunnel junction technology

Abstract : This letter presents magnetic tunnel junction based spintronic devices completely implemented in a hybrid semiconductor process that comprises a complementary metal oxide semiconductor and a magnetic tunnel junction technology. To demonstrate the coexistence of both complementary metal oxide semiconductor circuits and magnetic tunnel junction based spintronic devices, a proof-of-concept circuit prototype comprising 40 spintronic devices and a digital complementary metal oxide semiconductor serial peripheral interface is fabricated. According to measurement results, a selected spintronic device from the magnetic tunnel junction array, when surrounded by an external out-ofplane magnetic field of 1 kOe, emitted microwave signals from 2.235 to 2.464 GHz with an output power from 0.88 to 0.72 nW, when the DC current was increased from 0.6 to 1.0 mA. To the authors' best knowledge, this is the first work demonstrating the functionality of spintronic oscillators fully integrated in complementary metal oxide semiconductor circuit implemented in a hybrid complementary metal oxide semiconductor and magnetic tunnel junction process.
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https://hal.archives-ouvertes.fr/hal-03192766
Contributor : Ioan Lucian Prejbeanu <>
Submitted on : Thursday, April 8, 2021 - 12:33:09 PM
Last modification on : Saturday, April 10, 2021 - 3:18:37 AM

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Rui Ma, Ahmed Sidi El Valli, Martin Kreißig, Gregory Di Pendina, Florian Protze, et al.. Microwave functionality of spintronic devices implemented in a hybrid complementary metal oxide semiconductor and magnetic tunnel junction technology. Electronics Letters, IET, 2021, 57 (6), pp.264 - 266. ⟨10.1049/ell2.12103⟩. ⟨hal-03192766⟩

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