Kavli Affiliate: Herre S. J. Van Der Zant
| First 5 Authors: Makars Šiškins, Ekaterina Sokolovskaya, Martin Lee, Samuel Mañas-Valero, Dejan Davidovikj
| Summary:
Coupled nanomechanical resonators made of two-dimensional materials are
promising for processing information with mechanical modes. However, the
challenge for these types of systems is to control the coupling. Here, we
demonstrate strong coupling of motion between two suspended membranes of the
magnetic 2D material FePS$_3$. We describe a tunable electromechanical
mechanism for control over both the resonance frequency and the coupling
strength using a gate voltage electrode under each membrane. We show that the
coupling can be utilized for transferring data from one drum to the other by
amplitude modulation. Finally, we also study the temperature dependence of the
coupling, and in particular how it is affected by the antiferromagnetic phase
transition characteristic of this material. The presented electrical coupling
of resonant magnetic 2D membranes holds promise of transferring mechanical
energy over a distance at low electrical power, thus enabling novel data
readout and information processing technologies.
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