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Acoustic cavities in 2D heterostructures

Author

Listed:
  • Maxim K. Zalalutdinov

    (US Naval Research Laboratory)

  • Jeremy T. Robinson

    (US Naval Research Laboratory)

  • Jose J. Fonseca

    (NRC Postdoctoral Fellow at Naval Research Laboratory)

  • Samuel W. LaGasse

    (NRC Postdoctoral Fellow at Naval Research Laboratory)

  • Tribhuwan Pandey

    (University of Antwerp)

  • Lucas R. Lindsay

    (Materials Science and Technology Division, Oak Ridge National Laboratory)

  • Thomas L. Reinecke

    (US Naval Research Laboratory)

  • Douglas M. Photiadis

    (US Naval Research Laboratory)

  • James C. Culbertson

    (US Naval Research Laboratory)

  • Cory D. Cress

    (US Naval Research Laboratory)

  • Brian H. Houston

    (US Naval Research Laboratory)

Abstract

Two-dimensional (2D) materials offer unique opportunities in engineering the ultrafast spatiotemporal response of composite nanomechanical structures. In this work, we report on high frequency, high quality factor (Q) 2D acoustic cavities operating in the 50–600 GHz frequency (f) range with f × Q up to 1 × 1014. Monolayer steps and material interfaces expand cavity functionality, as demonstrated by building adjacent cavities that are isolated or strongly-coupled, as well as a frequency comb generator in MoS2/h-BN systems. Energy dissipation measurements in 2D cavities are compared with attenuation derived from phonon-phonon scattering rates calculated using a fully microscopic ab initio approach. Phonon lifetime calculations extended to low frequencies (

Suggested Citation

  • Maxim K. Zalalutdinov & Jeremy T. Robinson & Jose J. Fonseca & Samuel W. LaGasse & Tribhuwan Pandey & Lucas R. Lindsay & Thomas L. Reinecke & Douglas M. Photiadis & James C. Culbertson & Cory D. Cress, 2021. "Acoustic cavities in 2D heterostructures," Nature Communications, Nature, vol. 12(1), pages 1-11, December.
    • Handle: RePEc:nat:natcom:v:12:y:2021:i:1:d:10.1038_s41467-021-23359-7
    DOI: 10.1038/s41467-021-23359-7
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    Cited by:

    1. Aaron H. Barajas-Aguilar & Jasen Zion & Ian Sequeira & Andrew Z. Barabas & Takashi Taniguchi & Kenji Watanabe & Eric B. Barrett & Thomas Scaffidi & Javier D. Sanchez-Yamagishi, 2024. "Electrically driven amplification of terahertz acoustic waves in graphene," Nature Communications, Nature, vol. 15(1), pages 1-7, December.
    2. Renxian Gao & Yonglin He & Dumeng Zhang & Guoya Sun & Jia-Xing He & Jian-Feng Li & Ming-De Li & Zhilin Yang, 2023. "Gigahertz optoacoustic vibration in Sub-5 nm tip-supported nano-optomechanical metasurface," Nature Communications, Nature, vol. 14(1), pages 1-8, December.

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