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Proceedings Paper

Far Infrared Reflectivity Of Ceramic High-Tc Superconductors And Of An Oriented YBa2Cu307 Thin Film
Author(s): K. F. Renk; W. Ose; J. Schutzmann; T. Zetterer; H. H. Otto; J. Keller; B. Roas; L. Schultz
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Paper Abstract

A far infrared study for ceramic high-Tc superconductors, T12Ba2CaCu208 and YBa2Cu307, and for an oriented YBa2Cu307 thin film is reported. We present for the ceramics, that consist of strongly anisotropic crystallites, a new method of analysis that allows to extract properties of phonons and of charge carriers. We find that the dynamical conductivity of both the ceramics and the film in the normal state can be described by Drude's theory. The reflectivity of the film in the superconducting state corresponds to a Mattis-Bardeen like behavior with an energy gap 2Δ(0)/kTc = 4.2.

Paper Details

Date Published: 18 November 1989
PDF: 2 pages
Proc. SPIE 1039, 13th Intl Conf on Infrared and Millimeter Waves, (18 November 1989); doi: 10.1117/12.978433
Show Author Affiliations
K. F. Renk, Universitat Regensburg (FRG)
W. Ose, Universitat Regensburg (FRG)
J. Schutzmann, Universitat Regensburg (FRG)
T. Zetterer, Universitat Regensburg (FRG)
H. H. Otto, Universitat Regensburg (FRG)
J. Keller, Universitat Regensburg (FRG)
B. Roas, Siemens AG (FRG)
L. Schultz, Siemens AG (FRG)

Published in SPIE Proceedings Vol. 1039:
13th Intl Conf on Infrared and Millimeter Waves
Richard J. Temkin, Editor(s)

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