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Proceedings Paper

Determination of the penetration depth in YBa2Cu3O7 thin films from far-infrared transmission
Author(s): Nicole Bontemps; Louis-Anne de Vaulchier
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Paper Abstract

Transmission measurements in the range 130 GHz - 500 GHz on YBa2Cu3O7- (delta ) epitaxial thin films are reported and discussed. We deduce the absolute value of the electromagnetic penetration depth (lambda) (T) from the frequency variation of the transmission. We concentrate on our highest quality film, which yields (lambda) (OK) equals (1570 plus or minus 200 angstrom), associated with a linear temperature dependence of (lambda) (T) which maps at low temperature (T less than 20 K) the data on high quality single crystals. We derive the real part of the conductivity from the small difference between the film and the single crystal data.

Paper Details

Date Published: 10 June 1996
PDF: 11 pages
Proc. SPIE 2696, Spectroscopic Studies of Superconductors, (10 June 1996); doi: 10.1117/12.241746
Show Author Affiliations
Nicole Bontemps, Ecole Normale Superieure (France)
Louis-Anne de Vaulchier, Ecole Normale Superieure (France)

Published in SPIE Proceedings Vol. 2696:
Spectroscopic Studies of Superconductors
Ivan Bozovic; Dirk van der Marel, Editor(s)

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