Surface layers and far infrared spectra of high-Tc superconductors

Xavier Gerbaux

doi:10.1117/12.2298723

30 November 2017 Surface layers and far infrared spectra of high-Tc superconductors

Xavier Gerbaux

Proceedings Volume 2104, 18th International Conference on Infrared and Millimeter Waves; 210483 (2017) https://doi.org/10.1117/12.2298723
Event: 18th International Conference on Infrared and Millimeter Waves, 1993, Colchester, United Kingdom

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 (e.g.to =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... .. Ã¢â‚¬Â¢ _ _ _ _ _ _ _ _ . . _

Citation Download Citation

Xavier Gerbaux "Surface layers and far infrared spectra of high-Tc superconductors", Proc. SPIE 2104, 18th International Conference on Infrared and Millimeter Waves, 210483 (30 November 2017); https://doi.org/10.1117/12.2298723

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