1 October 1991 Far-infrared study of phonon anomalies in RBa2Cu3O7-δ and YBa2Cu4O8 superconductors
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Proceedings Volume 1576, 16th International Conference on Infrared and Millimeter Waves; 15760D (1991) https://doi.org/10.1117/12.2297726
Event: 16th International Conference on Infrared and Millimeter Waves, 1991, Lausanne, Switzerland
Abstract
We present experimental results of far-infrared reflectivity investigations of RBa2Cu3O7-δ (R=Er, Tm, Dy) and YBa2Cu4O8 superconducting materials in the temperature range 10-300 K. In order to determine the phonon parameters such as frequency, half-width and oscillator strength, we performed a Kramers-Kronig transform of the reflectivity spectra and than fitted the bands in the conductivity spectra to lorentzian lineshapes.
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A. P. Litvinchuk, "Far-infrared study of phonon anomalies in RBa2Cu3O7-δ and YBa2Cu4O8 superconductors", Proc. SPIE 1576, 16th International Conference on Infrared and Millimeter Waves, 15760D (1 October 1991); doi: 10.1117/12.2297726; https://doi.org/10.1117/12.2297726
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