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Surface Morphology and Profile Analysis for Five-Layer YBaCuO Thick Films Prepared by Low-Fluorine Metallorganic Deposition.
- Source :
-
Journal of Superconductivity & Novel Magnetism . Aug2016, Vol. 29 Issue 8, p1969-1973. 5p. - Publication Year :
- 2016
-
Abstract
- Thick YBaCuO (YBCO) films grown by metallorganic deposition (MOD) are very significant for high-performance superconducting wires. In the present work, the modified MOD method with reduced fluorine content in precursor solution (namely LF-MOD in the following) is applied to prepare the YBCO films with the purpose of reducing the processing time as well as increasing thickness. Five-layer YBCO films with a thickness of more than 2.5 μm are achieved after the effect of high-temperature annealing time ( t) on the morphology and texture of YBCO films is systematically investigated. It is suggested that an annealing time as long as 6 h appears necessary to achieve a good performance for such a thick YBCO film. To understand the evolution of texture with thickness, plasma etching is employed to characterize the profile morphology at different depths inside the films, revealing the a-axis grains together with the impurity phases arising from the incomplete reaction mostly present at the top surface only. [ABSTRACT FROM AUTHOR]
- Subjects :
- *SURFACE morphology
*THICK films
*FLUORINE
*CHEMICAL precursors
*ANNEALING of metals
Subjects
Details
- Language :
- English
- ISSN :
- 15571939
- Volume :
- 29
- Issue :
- 8
- Database :
- Academic Search Index
- Journal :
- Journal of Superconductivity & Novel Magnetism
- Publication Type :
- Academic Journal
- Accession number :
- 116645198
- Full Text :
- https://doi.org/10.1007/s10948-016-3495-1