Chemical vapor deposition of superconducting Bi-Sr-Ca-Cu-O films using fluorocarbon-based precursors
- 31 January 1990
- journal article
- Published by Springer Nature in Journal of Materials Research
- Vol. 5 (1) , 1-4
- https://doi.org/10.1557/jmr.1990.0001
Abstract
Superconducting Bi-Sr-Ca-Cu-O thin films have been prepared for the first time by chemical vapor deposition using triphenyl bismuth and fluorocarbon-based chelates such as bis(hexafluoroacetylacetonate)strontium, bis(hexafluoroacetylacetonate)calcium, and bis(hexafluoroacetylacetonate)copper. After annealing in air, x-ray diffraction data reveal that the films deposited on (001) SrTiO3 substrates have preferential orientation of their crystalline c-axis perpendicular to the substrate surface. Four-probe resistivity measurements reveal the onset of superconductivity at 80 K and zero resistivity at 50 K.Keywords
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