LFZ Growth of (Bi,Pb)-Sr-Ca-Cu-O Superconducting Fibers
Powder x-ray diffraction, d.c. and a.c. susceptibilities, and SEM have been used to study (Bi 1-xPb x) 2Sr 2Ca 2Cu 3O 10+δ fibers grown by the Laser Floating Zone method. The well-oriented, long-grained superconductor fiber properties are shown to be highly dependent on the partial pressure of oxygen in the growth atmosphere, as well as on fiber pulling rate. Slowly grown fibers contain initially the 2212 (80 K) phase; the 2223 (110 K) phase also appears upon annealing in air. Faster growth rates result in fibers that contain a mixture of the 2212 and 2201 phases and, in this case, long annealing procedures are necessary to observe the 2223 phase.
G. F. de la Fuente and R. B. Navarro and F. Lera and C. Rillo and J. J. Bartolomé and A. Badía and D. Beltran and R. Ibanez and A. Beltran and E. Sinn, "LFZ Growth of (Bi,Pb)-Sr-Ca-Cu-O Superconducting Fibers," Journal of Materials Research, Materials Research Society, Jan 1991.
The definitive version is available at https://doi.org/10.1557/JMR.1991.0699
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