About: Analysis of Critical State Response in Thin Films by ac Susceptibility Measurements

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Low frequency ac magnetic response of the Nb thin film in perpendicular oscillating applied fields is detected by continuously reading SQUID magnetometer. Harmonic analysis of the temperature dependence of the nonlinear ac susceptibility gives excellent agreement with the susceptibility calculated on basis of model of the hysteretic critical state in 2D disk. This complete analytical model relates to Bean's critical state described by the critical depinning current density. We map the experimental and model data and we trace the temperature dependence of the critical current density. The model fits up to temperature 0.9997Tc above which nonlinear response turns to linear one. This technique is also suitable for characterization of HTS thin films. Low frequency ac magnetic response of the Nb thin film in perpendicular oscillating applied fields is detected by continuously reading SQUID magnetometer. Harmonic analysis of the temperature dependence of the nonlinear ac susceptibility gives excellent agreement with the susceptibility calculated on basis of model of the hysteretic critical state in 2D disk. This complete analytical model relates to Bean's critical state described by the critical depinning current density. We map the experimental and model data and we trace the temperature dependence of the critical current density. The model fits up to temperature 0.9997Tc above which nonlinear response turns to linear one. This technique is also suitable for characterization of HTS thin films. (en)
Title	Analysis of Critical State Response in Thin Films by ac Susceptibility Measurements Analysis of Critical State Response in Thin Films by ac Susceptibility Measurements (en)
skos:prefLabel	Analysis of Critical State Response in Thin Films by ac Susceptibility Measurements Analysis of Critical State Response in Thin Films by ac Susceptibility Measurements (en)
skos:notation	RIV/00216208:11320/08:00206064!RIV10-MSM-11320___
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GA102/05/0942), Z(AV0Z10100520), Z(MSM0021620834)
http://linked.open...iv/cisloPeriodika	2
http://linked.open...vai/riv/dodaniDat	2010
http://linked.open...aciTvurceVysledku	Švindrych, Zdeněk Youssef, Ahmed Elmetwally
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	Univerzita Karlova v Praze / Matematicko-fyzikální fakulta
http://linked.open...dnocenehoVysledku	355798
http://linked.open...ai/riv/idVysledku	RIV/00216208:11320/08:00206064
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Analysis; Critical; State; Response; Films; Susceptibility; Measurements (en)
http://linked.open.../riv/klicoveSlovo	Measurements Response Critical State Analysis Susceptibility Films
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[9AFF25612CD1]
http://linked.open...i/riv/nazevZdroje	IEEE Transactions on Applied Superconductivity
http://linked.open...in/vavai/riv/obor	BM
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...vavai/riv/projekt	Issue of design of superconducting traction transformer
http://linked.open...UplatneniVysledku	2008
http://linked.open...v/svazekPeriodika	18
http://linked.open...iv/tvurceVysledku	Janů, Zdeněk Švindrych, Zdeněk Hadač, Jan Youssef, Ahmed Elmetwally
http://linked.open...ain/vavai/riv/wos	000256625700364
http://linked.open...n/vavai/riv/zamer	Specific effects in condensed systems with reduced dimension and broken symmetry Condensed Matter Physics – New Materials and Technologies
issn	1051-8223
number of pages	4 (xsd:int)
http://localhost/t...ganizacniJednotka	11320

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