Reference : High temperature crossover in paraconductivity of granular Y1Ba2Cu3O7-y

	Document type :	Scientific journals : Article
	Discipline(s) :	Physical, chemical, mathematical & earth Sciences : Physics
	To cite this reference:	http://hdl.handle.net/2268/131156

Title :	High temperature crossover in paraconductivity of granular Y1Ba2Cu3O7-y
Language :	English
Author, co-author :	Ausloos, Marcel [Université de Liège - ULg > Département de physique > Département de physique > >]
	Gillet, François [Université de Liège - ULg > Département des sciences de la vie > Génétique]
	Laurent, Christian [Université de Liège - ULg > Institut d'Electricité Montefiore B28 > > >]
	Clippe, Paulette [Université de Liège - ULg > Département de physique > Physique statistique appliquée et des matériaux]
Publication date :	1991
Journal title :	Zeitschrift für Physik. B, Condensed Matter
Volume :	84
Issue/season :	1
Pages :	13-16
Audience :	International
ISSN :	0722-3277
Abstract :	[en] We have examined the deviation from linearity of the temperature dependence of the electrical resistivity of a YBaCuO ceramics. We have observed at high temperature a crossover behavior toward a logarithmic temperature dependence at lower temperature. It seems relevant to attribute the origin of such a term to a pair breaking mechanism contribution, thus to give a lower bound to the existence of superconductivity fluctuations onset temperature. Our findings also implies that carriers are bosons above T(c).
Target :	Researchers ; Professionals
Permalink :	http://hdl.handle.net/2268/131156

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