About: Terahertz thermal spectroscopy of a NbN superconductor

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	We report far-infrared optical properties of a NbN superconductor. Transmission through a high-quality NbN film grown on a birefringent sapphire substrate above and below its superconducting transition down to the zero-temperature limit is measured at six different frequencies from 0.4 to 2.5 THz both above and below its optical gap. The experimental results agree with theoretical calculations developed based on utilization and extension of the BCS model of Zimmermann et al. [Physica C 183, 99 (1991)] applied for the NbN film. Full quantitative agreement over the entire ranges of temperature and frequencies is found based solely on the physical properties of this NbN film sample and on the parameters of an identical sapphire substrate as measured in time-domain spectroscopy experiments, without use of any additional fitting parameters. We report far-infrared optical properties of a NbN superconductor. Transmission through a high-quality NbN film grown on a birefringent sapphire substrate above and below its superconducting transition down to the zero-temperature limit is measured at six different frequencies from 0.4 to 2.5 THz both above and below its optical gap. The experimental results agree with theoretical calculations developed based on utilization and extension of the BCS model of Zimmermann et al. [Physica C 183, 99 (1991)] applied for the NbN film. Full quantitative agreement over the entire ranges of temperature and frequencies is found based solely on the physical properties of this NbN film sample and on the parameters of an identical sapphire substrate as measured in time-domain spectroscopy experiments, without use of any additional fitting parameters. (en)
Title	Terahertz thermal spectroscopy of a NbN superconductor Terahertz thermal spectroscopy of a NbN superconductor (en)
skos:prefLabel	Terahertz thermal spectroscopy of a NbN superconductor Terahertz thermal spectroscopy of a NbN superconductor (en)
skos:notation	RIV/68378271:_____/11:00367191!RIV12-AV0-68378271
http://linked.open...avai/riv/aktivita	P S Z
http://linked.open...avai/riv/aktivity	P(GAP204/11/0015), P(ME10069), S, Z(AV0Z10100521), Z(MSM0021620834)
http://linked.open...iv/cisloPeriodika	13
http://linked.open...vai/riv/dodaniDat	2012
http://linked.open...aciTvurceVysledku	Koláček, Jan Tesař, Roman Šindler, Michal
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Fyzikální ústav AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	234772
http://linked.open...ai/riv/idVysledku	RIV/68378271:_____/11:00367191
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	response to electromagnetic fields; optical properties; superconducting films; low-dimensional structures (en)
http://linked.open.../riv/klicoveSlovo	optical properties low-dimensional structures response to electromagnetic fields superconducting films
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[0F1F7FC95647]
http://linked.open...i/riv/nazevZdroje	Physical Review. B
http://linked.open...in/vavai/riv/obor	BM
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	6 (xsd:int)
http://linked.open...vavai/riv/projekt	Engineering in Superconductivity Superconductivity out of equilibrium
http://linked.open...UplatneniVysledku	2011
http://linked.open...v/svazekPeriodika	84
http://linked.open...iv/tvurceVysledku	Koláček, Jan Skrbek, L. Il'in, K. Siegel, M. Tesař, Roman Šindler, Michal
http://linked.open...ain/vavai/riv/wos	000296657900002
http://linked.open...n/vavai/riv/zamer	Physics and technology of nanostructures, surfaces and thin films Condensed Matter Physics – New Materials and Technologies
issn	1098-0121
number of pages	4 (xsd:int)
http://bibframe.org/vocab/doi	10.1103/PhysRevB.84.132506

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