Issue |
Europhys. Lett.
Volume 51, Number 6, September II 2000
|
|
---|---|---|
Page(s) | 667 - 673 | |
Section | Condensed matter: electronic structure, electrical, magnetic, and optical properties | |
DOI | https://doi.org/10.1209/epl/i2000-00390-9 | |
Published online | 01 September 2002 |
Scaling between superconducting critical temperature
and structural coherence length in
films
1
Département de Physique, Ecole Polytechnique Fédérale de Lausanne (EPFL)
1015 Lausanne, Switzerland
2
MASPEC-Consiglio Nazionale delle Ricerche - Parco Area delle Scienze 37a
43010 Parma-Fontanini, Italy
Received:
27
September
1999
Accepted:
21
July
2000
Measurements of critical temperature in superconducting
films with reduced long-range structural order show the validity of the empirical
scaling relation
between disorder-induced reduction of
and structural coherence length
in the ab-plane. This result is quantitatively explained
by the disorder-induced confinement of the charge carriers within each ordered
domain of size
. Our analysis of the data based on this picture enables
us to precisely determine the Ginzburg-Landau superconducting coherence length
in the ab-plane,
.
PACS: 74.62.-c – Transition temperature variations / 61.43.-j – Disordered solids / 74.72.-h – High- compounds
© EDP Sciences, 2000
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