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Showing 1–4 of 4 results
Advanced filters: Author: Ilari J. Maasilta Clear advanced filters

  • The coupling of mechanical displacements with electric fields in piezoelectric materials enables tunneling of acoustic waves across vacuum, but the conditions to achieve complete tunneling are still unexplored. This work demonstrates complete tunneling of acoustic waves occurring when leaky surface waves are excited, for arbitrary orientations of the anisotropic crystals.

    • Zhuoran Geng
    • Ilari J. Maasilta
    ResearchOpen Access
    Communications Physics
    Volume: 6, P: 1-7

  • Controlling thermal transport is commonly achieved by introducing scattering centres. Here, the authors demonstrate that coherent band structure effects can also be used to control phonon transport, viathe use of periodically nanostructured phononic crystals.

    • Nobuyuki Zen
    • Tuomas A. Puurtinen
    • Ilari J. Maasilta
    ResearchOpen Access
    Nature Communications
    Volume: 5, P: 1-9

  • A clever phononic crystal design produces a wide band gap for hypersonic phonons.

    • Ilari J. Maasilta
    News & Views
    Nature Nanotechnology
    Volume: 17, P: 905

  • Modeling artificial nanostructures in terms of effective materials parameters is important for gaining physical insight into their behavior and facilitating their optimization. Here, an analytical effective medium theory for the heat capacity of holey phononic crystals is derived, revealing the effect of the emergent anisotropic elastic response of the metasolid.

    • Tuomas A. Puurtinen
    • Ilari J. Maasilta
    ResearchOpen Access
    Communications Materials
    Volume: 4, P: 1-9