10 April 1995 Precursor preparation for mercury alkaline-earth cuprate films by pulsed laser deposition
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Abstract
Pulsed laser deposition have been adapted for precursor fabrication of Hg-Ba-Ca-Cu-O thin films. The preparation involves a sequential deposition of HgO and Ba2CaCu2Ox thin layers at 200 degree(s)C on MgO and SrTiO3 substrates. Processing parameters were optimized by studying surface morphology of the individual layers and by strict Hg content control. Ex-situ thermal postannealing and oxygen content have not yet been optimized. The obtained films show almost single phase HgBa2CaCu2O6+(delta ) with a c-axis of 12.65 angstrom and Tc (onset) of 110 K as determined from magnetic measurements.
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A. Brazdeikis, Bernhard Hirschauer, A. S. Flodstrom, I. Bryntse, "Precursor preparation for mercury alkaline-earth cuprate films by pulsed laser deposition", Proc. SPIE 2403, Laser-Induced Thin Film Processing, (10 April 1995); doi: 10.1117/12.206274; https://doi.org/10.1117/12.206274
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