Universal relationship between the penetration depth and the normal-state conductivity in YBaCuO
epl : a letters journal exploring the frontiers of physics. Bd. 48. H. 1. 1999 S. 73 - 78
Erscheinungsjahr: 1999
ISBN/ISSN: 1286-4854 ; 0302-072X
Publikationstyp: Zeitschriftenaufsatz
Sprache: Englisch
Doi/URN: 10.1209/epl/i1999-00116-1
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Inhaltszusammenfassung
The absolute values of the conductivity in the normal state ?n and of the low-temperature penetration depths ?(0) were measured for a number of different samples of the YBaCuO family. We found a striking correlation between ?n and ??2 regardless of doping, oxygen reduction or defects, thus providing a simple method to predict the superconducting penetration depth and to have an estimate of the sample quality by measuring the normal-state conductivity.
Autoren
Klassifikation
DFG Fachgebiet:
Physik der kondensierten Materie
DDC Sachgruppe:
Physik
