Particulates reduction in laser-ablated YBa2Cu3O7-δ thin films by laser-induced plume heating

Experimental demonstration of reduction in the number and size of particulates formed in the laser ablation deposition of YBa2Cu3O7−δ thin films is obtained by the use of a second laser which further heats and fragments the blowoff material in the plume formed by the first laser. This results in a s...

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Bibliographic Details
Published in:Applied physics letters 1990-05, Vol.56 (21), p.2144-2146
Main Authors: KOREN, G, BASEMAN, R. J, GUPTA, A, LUTWYCHE, M. I, LAIBOWITZ, R. B
Format: Article
Language:English
Subjects:
Condensed matter: structure, mechanical and thermal properties
Exact sciences and technology
Physics
Surfaces and interfaces
thin films and whiskers (structure and nonelectronic properties)
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Summary:Experimental demonstration of reduction in the number and size of particulates formed in the laser ablation deposition of YBa2Cu3O7−δ thin films is obtained by the use of a second laser which further heats and fragments the blowoff material in the plume formed by the first laser. This results in a smoother film with higher critical current density as compared to that obtained without the second laser irradiation of the plume.
ISSN:0003-6951
1077-3118
DOI:10.1063/1.103239