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14 July 1998 Laser ablation of YBCO targets and optical-breakdown-assisted PLD for high Tc superconducting thin films deposition
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Proceedings Volume 3423, Second GR-I International Conference on New Laser Technologies and Applications; (1998) https://doi.org/10.1117/12.316620
Event: Second GR-I International Conference on New Laser Technologies and Applications, 1997, Olympia, Greece
Abstract
We report a YBa2Cu3O7 PLD method designed to reduce the oxygen deficiency in the as deposited YBCO superconducting thin films.OPtical dissociation of O2 buffer gas in front of the plume using a second IR laser pulse simultaneously with the UV laser beam producing the ablation plasma is proposed as a method for oxidation enhancement and oxygen enrichment in the deposited film. Oxides enhancement measurements were performed by optical spectroscopy on YO, BaO and CuO lines at large distances from the target surface. Temporal evolution of ionic, neutral and oxide lines was analyzed in 400-620 nm region, in correlation with plasma expansion in the ambient gas.
© (1998) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Ileana Apostol, Razvan Stoian, C. Luculescu, Razvan V. Dabu, Aurel Stratan, S. Udrea, and Catalin Flacau "Laser ablation of YBCO targets and optical-breakdown-assisted PLD for high Tc superconducting thin films deposition", Proc. SPIE 3423, Second GR-I International Conference on New Laser Technologies and Applications, (14 July 1998); https://doi.org/10.1117/12.316620
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