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Integrated magnetoelectric devices: Filters, pico-Tesla magnetometers, and ultracompact acoustic antennas

  • Hwaider Lin (a1), Michael R. Page (a2), Michael McConney (a3), John Jones (a4), Brandon Howe (a5) and Nian X. Sun (a6)...

Abstract

Strong strain-mediated magnetoelectric (ME) coupling in magnetic/ferroelectric heterostructures has great potential for different high-frequency multiferroic devices. In this article, we present the most recent progress in integrated multiferroic devices. Integrated magnetic tunable inductors with a wide operation frequency range, integrated nonreciprocal bandpass filters with dual magnetic and electric-field tunability based on magnetostatics surface waves, and novel radio-frequency nanomechanical ME resonators with pico-Tesla sensitivity for direct current magnetic fields are presented. Finally, a new antenna miniaturization mechanism, acoustically actuated nanomechanical ME antennas, which can successfully miniaturize the size by 1–2 orders, is introduced. With the advantages of high magnetic field sensitivity, highest antenna gain among all nanoscale antennas at similar frequency, integrated capability with complementary metal oxide semiconductor technology, and ground-plane immunity from metallic surfaces and the human body, ME antennas have a bright future for biomedical applications, wearable antennas, and the Internet of Things due to their unique and particular properties.

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Integrated magnetoelectric devices: Filters, pico-Tesla magnetometers, and ultracompact acoustic antennas

  • Hwaider Lin (a1), Michael R. Page (a2), Michael McConney (a3), John Jones (a4), Brandon Howe (a5) and Nian X. Sun (a6)...

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