Signatures of two-level defects in the temperature-dependent damping of nanomechanical silicon nitride resonators

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dc.contributor.authorFaust, Thomasdeu
dc.contributor.authorRieger, Johannesdeu
dc.contributor.authorSeitner, Maximilian
dc.contributor.authorKotthaus, Jörg P.deu
dc.contributor.authorWeig, Eva M.
dc.date.accessioned2013-11-04T10:40:20Zdeu
dc.date.available2013-11-04T10:40:20Zdeu
dc.date.issued2013deu
dc.description.abstractThe damping rates of high quality factor nanomechanical resonators are well beyond intrinsic limits. Here, we explore the underlying microscopic loss mechanisms by investigating the temperature-dependent damping of the fundamental and third harmonic transverse flexural mode of a doubly clamped silicon nitride string. It exhibits characteristic maxima reminiscent of two-level defects typical for amorphous materials. Coupling to those defects relaxes the momentum selection rules, allowing energy transfer from discrete long wavelength resonator modes to the high frequency phonon environment.eng
dc.description.versionpublished
dc.identifier.arxiv1310.3671deu
dc.identifier.ppn395198747deu
dc.identifier.urihttp://kops.uni-konstanz.de/handle/123456789/25032
dc.language.isoengdeu
dc.legacy.dateIssued2013-11-04deu
dc.rightsterms-of-usedeu
dc.rights.urihttps://rightsstatements.org/page/InC/1.0/deu
dc.subject.ddc530deu
dc.titleSignatures of two-level defects in the temperature-dependent damping of nanomechanical silicon nitride resonatorseng
dc.typePREPRINTdeu
dspace.entity.typePublication
kops.citation.bibtex
@unpublished{Faust2013Signa-25032,
  year={2013},
  title={Signatures of two-level defects in the temperature-dependent damping of nanomechanical silicon nitride resonators},
  author={Faust, Thomas and Rieger, Johannes and Seitner, Maximilian and Kotthaus, Jörg P. and Weig, Eva M.}
}
kops.citation.iso690FAUST, Thomas, Johannes RIEGER, Maximilian SEITNER, Jörg P. KOTTHAUS, Eva M. WEIG, 2013. Signatures of two-level defects in the temperature-dependent damping of nanomechanical silicon nitride resonatorsdeu
kops.citation.iso690FAUST, Thomas, Johannes RIEGER, Maximilian SEITNER, Jörg P. KOTTHAUS, Eva M. WEIG, 2013. Signatures of two-level defects in the temperature-dependent damping of nanomechanical silicon nitride resonatorseng
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