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Phonon-tunnelling dissipation in mechanical resonators

Microscale and nanoscale mechanical resonators have recently emerged as ubiquitous devices for use in advanced technological applications, for example, in mobile communications and inertial sensors, and as novel tools for fundamental scientific endeavours. Their performance is in many cases limited...

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Detalles Bibliográficos
Autores principales: Cole, Garrett D., Wilson-Rae, Ignacio, Werbach, Katharina, Vanner, Michael R., Aspelmeyer, Markus
Formato: Texto
Lenguaje:English
Publicado: Nature Publishing Group 2011
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3072094/
https://www.ncbi.nlm.nih.gov/pubmed/21407197
http://dx.doi.org/10.1038/ncomms1212
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author Cole, Garrett D.
Wilson-Rae, Ignacio
Werbach, Katharina
Vanner, Michael R.
Aspelmeyer, Markus
author_facet Cole, Garrett D.
Wilson-Rae, Ignacio
Werbach, Katharina
Vanner, Michael R.
Aspelmeyer, Markus
author_sort Cole, Garrett D.
collection PubMed
description Microscale and nanoscale mechanical resonators have recently emerged as ubiquitous devices for use in advanced technological applications, for example, in mobile communications and inertial sensors, and as novel tools for fundamental scientific endeavours. Their performance is in many cases limited by the deleterious effects of mechanical damping. In this study, we report a significant advancement towards understanding and controlling support-induced losses in generic mechanical resonators. We begin by introducing an efficient numerical solver, based on the 'phonon-tunnelling' approach, capable of predicting the design-limited damping of high-quality mechanical resonators. Further, through careful device engineering, we isolate support-induced losses and perform a rigorous experimental test of the strong geometric dependence of this loss mechanism. Our results are in excellent agreement with the theory, demonstrating the predictive power of our approach. In combination with recent progress on complementary dissipation mechanisms, our phonon-tunnelling solver represents a major step towards accurate prediction of the mechanical quality factor.
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spelling pubmed-30720942011-04-20 Phonon-tunnelling dissipation in mechanical resonators Cole, Garrett D. Wilson-Rae, Ignacio Werbach, Katharina Vanner, Michael R. Aspelmeyer, Markus Nat Commun Article Microscale and nanoscale mechanical resonators have recently emerged as ubiquitous devices for use in advanced technological applications, for example, in mobile communications and inertial sensors, and as novel tools for fundamental scientific endeavours. Their performance is in many cases limited by the deleterious effects of mechanical damping. In this study, we report a significant advancement towards understanding and controlling support-induced losses in generic mechanical resonators. We begin by introducing an efficient numerical solver, based on the 'phonon-tunnelling' approach, capable of predicting the design-limited damping of high-quality mechanical resonators. Further, through careful device engineering, we isolate support-induced losses and perform a rigorous experimental test of the strong geometric dependence of this loss mechanism. Our results are in excellent agreement with the theory, demonstrating the predictive power of our approach. In combination with recent progress on complementary dissipation mechanisms, our phonon-tunnelling solver represents a major step towards accurate prediction of the mechanical quality factor. Nature Publishing Group 2011-03-08 /pmc/articles/PMC3072094/ /pubmed/21407197 http://dx.doi.org/10.1038/ncomms1212 Text en Copyright © 2011, Nature Publishing Group, a division of Macmillan Publishers Limited. All Rights Reserved. http://creativecommons.org/licenses/by-nc-sa/3.0/ This work is licensed under a Creative Commons Attribution-NonCommercial-Share Alike 3.0 Unported License. To view a copy of this license, visit http://creativecommons.org/licenses/by-nc-sa/3.0/
spellingShingle Article
Cole, Garrett D.
Wilson-Rae, Ignacio
Werbach, Katharina
Vanner, Michael R.
Aspelmeyer, Markus
Phonon-tunnelling dissipation in mechanical resonators
title Phonon-tunnelling dissipation in mechanical resonators
title_full Phonon-tunnelling dissipation in mechanical resonators
title_fullStr Phonon-tunnelling dissipation in mechanical resonators
title_full_unstemmed Phonon-tunnelling dissipation in mechanical resonators
title_short Phonon-tunnelling dissipation in mechanical resonators
title_sort phonon-tunnelling dissipation in mechanical resonators
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3072094/
https://www.ncbi.nlm.nih.gov/pubmed/21407197
http://dx.doi.org/10.1038/ncomms1212
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