Tunable Strong Coupling of Mechanical Resonance between Spatially Separated FePS3Nanodrums

Makars Šiškins, Ekaterina Sokolovskaya, Martin Lee, Samuel Mañas-Valero, Dejan Davidovikj, Herre S.J. Van Der Zant, Peter G. Steeneken

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Abstract

Coupled nanomechanical resonators made of two-dimensional materials are promising for processing information with mechanical modes. However, the challenge for these systems is to control the coupling. Here, we demonstrate strong coupling of motion between two suspended membranes of the magnetic 2D material FePS3. 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 between drums by amplitude modulation. Finally, we also study the temperature dependence of the coupling and how it is affected by the antiferromagnetic phase transition characteristic of this material. The presented electrical coupling of resonant magnetic 2D membranes holds the promise of transferring mechanical energy over a distance at low electrical power, thus enabling novel data readout and information processing technologies.

Original languageEnglish
JournalNano Letters
DOIs
Publication statusPublished - 2021

Keywords

  • Coupling
  • Magnetic properties
  • Membranes
  • Oscillation
  • Resonance structures
  • Two-dimensional materials

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