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Proceedings Paper

Surface layers and far infrared spectra of high-Tc superconductors
Author(s): Xavier Gerbaux
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Paper Abstract

It is possible to increase significantly the acuracy of Far IR (FIR) transmission spectra of High-Tc superconductorsby depositing a very thin oriented film (e.g. t = 300 A), of either YBaCuO or GdBaCuO on a very thin MgO plate ( =90 rim). Such very thin films of superconductors are very fragile and FIR transmission either at 300 K or 10 K increasesdramatically after a few weeks. A phenomenological model is however possible to explain all spectra at differenttemperatures from 300 to 10 K if we consider a thin layer of insulating barium cuprate (e.g. GdBaCuO6) due to a progressiveloss of oxygen... .. • _ _ _ _ _ _ _ _ . . _

Paper Details

Date Published: 30 November 2017
PDF: 1 pages
Proc. SPIE 2104, 18th International Conference on Infrared and Millimeter Waves, 210483 (30 November 2017); doi: 10.1117/12.2298723
Show Author Affiliations
Xavier Gerbaux, Lab. Infrarouge Lointain (France)

Published in SPIE Proceedings Vol. 2104:
18th International Conference on Infrared and Millimeter Waves
James R. Birch; Terence J. Parker, Editor(s)

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