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

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

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FAUST, Thomas, Johannes RIEGER, Maximilian J. SEITNER, Jörg P. KOTTHAUS, Eva M. WEIG, 2014. Signatures of two-level defects in the temperature-dependent damping of nanomechanical silicon nitride resonators. In: Physical Review B. 89(10), 100102(R). ISSN 1098-0121. eISSN 1095-3795

@article{Faust2014Signa-30913, title={Signatures of two-level defects in the temperature-dependent damping of nanomechanical silicon nitride resonators}, year={2014}, doi={10.1103/PhysRevB.89.100102}, number={10}, volume={89}, issn={1098-0121}, journal={Physical Review B}, author={Faust, Thomas and Rieger, Johannes and Seitner, Maximilian J. and Kotthaus, Jörg P. and Weig, Eva M.}, note={Article Number: 100102(R)} }

<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:bibo="http://purl.org/ontology/bibo/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:dcterms="http://purl.org/dc/terms/" xmlns:xsd="http://www.w3.org/2001/XMLSchema#" > <rdf:Description rdf:about="https://kops.uni-konstanz.de/rdf/resource/123456789/30913"> <dc:language>eng</dc:language> <dc:contributor>Faust, Thomas</dc:contributor> <dcterms:issued>2014</dcterms:issued> <dc:creator>Rieger, Johannes</dc:creator> <dc:contributor>Seitner, Maximilian J.</dc:contributor> <bibo:uri rdf:resource="http://kops.uni-konstanz.de/handle/123456789/30913"/> <dc:creator>Weig, Eva M.</dc:creator> <dc:contributor>Weig, Eva M.</dc:contributor> <dcterms:title>Signatures of two-level defects in the temperature-dependent damping of nanomechanical silicon nitride resonators</dcterms:title> <dcterms:rights rdf:resource="http://nbn-resolving.de/urn:nbn:de:bsz:352-20150914100631302-4485392-8"/> <dcterms:abstract xml:lang="eng">The 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.</dcterms:abstract> <dc:creator>Seitner, Maximilian J.</dc:creator> <dc:contributor>Kotthaus, Jörg P.</dc:contributor> <dc:date rdf:datatype="http://www.w3.org/2001/XMLSchema#dateTime">2015-05-08T09:53:58Z</dc:date> <dc:creator>Faust, Thomas</dc:creator> <dcterms:available rdf:datatype="http://www.w3.org/2001/XMLSchema#dateTime">2015-05-08T09:53:58Z</dcterms:available> <dc:creator>Kotthaus, Jörg P.</dc:creator> <dc:contributor>Rieger, Johannes</dc:contributor> </rdf:Description> </rdf:RDF>

Dateiabrufe seit 08.05.2015 (Informationen über die Zugriffsstatistik)

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