Superconductor technology: apparatus – material – process – High temperature – per se – Having tc greater than or equal to 150 k
Patent
1990-03-29
1991-08-13
Kunemund, Robert
Superconductor technology: apparatus, material, process
High temperature , per se
Having tc greater than or equal to 150 k
505729, 156621, 156623R, C30B 708
Patent
active
050396536
ABSTRACT:
A bismuth-strontium calcium cuprate material shows commercial promise as a high-T.sub.c superconductor material, means are desired for producing such (as well as isostructural) superconductor material in the form of macroscopic single-crystal bodies. The invention provides for the growth of such bodies from a fluxed melt, in bulk or epitaxially on a substrate, the fluxing agent being chosen to include sodium chloride, potassium chloride, or a mixture of sodium chloride and potassium chloride.
REFERENCES:
patent: 4685995 (1987-08-01), Hirano
patent: 4746396 (1988-05-01), Marner
Katsui, "Single Crystal Growth of Superconducting BaPbBiO.sub.3 from PbO.sub.2 -Bi.sub.2 O.sub.3 -BaPbO.sub.3 Solution", Japanese Journal of Applied Physics, vol. 21, No. 9, Sep. 1982, pp. L553-L554.
Ginsberg et al, "Two Types of Measurements on Single Crystal YBaCuO . . . ", Extended Abstracts, High Tc Superconductors (II), Apr. 5-9, 1988, Symposium Support M.R.S., pp. 217-220.
Schneemeyer et al. (I) "Superconductivity in YBaCuO Single Crystals", Nature, vol. 328, Aug. 13, 1987, pp. 601-603.
Schneemeyer et al. (II), "Growth of Superconducting Crystals in the Bi-Sr-Ca-Cu-O . . . ", Nature, vol. 332, Mar. 31, 1988, pp. 422-424.
Dover et al., "Critical Current Densities in Single Crystal BiSrCaCuO", Applied Physics Letters, 52(22) May 30, 1988, pp. 1910-1912.
Holland et al, "Interplay of Synthesis, Structure, Microstructure and Properties", Chemistry of High Temperature Superconductors, American Chemical Society, 1987, pp. 102-113.
Katsui et al. '88, "Solution Growth of Bi-Sr-Ca-Cu-O Compounds Using Alkali Chlorides", Journal of Crystal Growth, 91 (1988), pp. 261-263.
"A New High-Temperature Superconductor: Bi.sub.2 Sr.sub.3-x Ca.sub.x Cu.sub.2 O.sub.8+y ", Science, vol. 239, pp. 1015-1017, by M. A. Subramanian et al.
Jackson Kenneth A.
Schneemeyer Lynn F.
AT&T Bell Laboratories
Kunemund Robert
Pacher E. E.
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