ArticleNanomaterials (Basel, Switzerland)2019
Coherent Thermal Conduction in Silicon Nanowires with Periodic Wings.
Article in Nanomaterials (Basel, Switzerland), 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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3 citing papers in PubMed.
- Phonon Engineering of Micro- and Nanophononic Crystals and Acoustic Metamaterials: A Review.Small science · 2023Article
- Enhancing the Coherent Phonon Transport in SiGe Nanowires with Dense Si/Ge Interfaces.Nanomaterials (Basel, Switzerland) · 2022Article
- Thermal Transport Evolution Due to Nanostructural Transformations in Ga-Doped Indium-Tin-Oxide Thin Films.Nanomaterials (Basel, Switzerland) · 2021Article
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2 authors.
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Abstract
Artificial periodic nanostructures, known as phononic crystals, promise to control the thermal properties of nanostructures in the coherent regime, which can be achieved in semiconductors at low temperatures. Here, we study coherent thermal conduction in silicon nanowires with added periodic wings at sub-Kelvin temperature. Our simulations show that the added periodic wings flatten the phonon dispersion and thus reduce the thermal conductance. We investigate the dependence of this reduction on the size of the wings and conclude that the reduction is mainly caused by the periodicity of the wings, rather than by local resonances in them. These findings help to better understand the mechanisms controlling coherent heat conduction in periodic resonant nanostructures.
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