Synthesis of YBa2Cu3O7−&dgr;films from separate oxide targets
作者:
B. W. Hussey,
A. Gupta,
期刊:
Journal of Applied Physics
(AIP Available online 1992)
卷期:
Volume 72,
issue 1
页码: 287-289
ISSN:0021-8979
年代: 1992
DOI:10.1063/1.352132
出版商: AIP
数据来源: AIP
摘要:
Synthesis of YBa2Cu3O7−&dgr;(YBCO) has been achieved using laser ablation of separate oxide targets YBa2Oxand CuO, as well as Y2Cu2O5and BaCuO2. Results obtained using two synchronized lasers to ablate from the two targets show that high quality epitaxial YBCO films can be obtained independent of the laser pulse delay settings. The facile formation of the YBCO phase, irrespective of the nature of the reacting precursors, points to its high thermodynamic stability under conditions used forinsitugrowth of films.
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