Precursor preparation for mercury alkaline-earth cuprate films by pulsed laser deposition

A. Brazdeikis; Bernhard Hirschauer; A. S. Flodstrom; I. Bryntse

doi:10.1117/12.206274

10 April 1995 Precursor preparation for mercury alkaline-earth cuprate films by pulsed laser deposition

A. Brazdeikis, Bernhard Hirschauer, A. S. Flodstrom, I. Bryntse

Proceedings Volume 2403, Laser-Induced Thin Film Processing; (1995) https://doi.org/10.1117/12.206274
Event: Photonics West '95, 1995, San Jose, CA, United States

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 Ba₂CaCu₂O_x 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 HgBa₂CaCu₂O_6+(delta ) with a c-axis of 12.65 angstrom and T_c (onset) of 110 K as determined from magnetic measurements.

Citation Download Citation

A. Brazdeikis, Bernhard Hirschauer, A. S. Flodstrom, and 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); https://doi.org/10.1117/12.206274

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