UNSPECIFIED (1994) SUPERCONDUCTING PROPERTIES OF BA(PB, BI)O3 SINGLE-CRYSTALS AND MELT-PROCESSED (BA, K)BIO3. PHYSICA C, 226 (3-4). pp. 288-292. ISSN 0921-4534

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Abstract

Single crystals of the superconductor BaPb1-xBixO3 With nominal compositions of x=0.25, were grown by cooling from the melt using an excess of PbO. The superconducting transitions have been measured on the grown crystals as a function of oxygen annealing and sharp transitions with T(conset) at 12 K have been observed. The related perovskite Ba1-xKxBiO3 superconductor (x = 0.4) has been synthesized by a new melt-processing technique using an infra-red image furnace. The melt-processed material on post annealing, is superconducting with T(conset) approximately 25 K. The superconducting properties of these two families of superconductors are presented.

Item Type:	Journal Article
Subjects:	Q Science > QC Physics
Journal or Publication Title:	PHYSICA C
Publisher:	ELSEVIER SCIENCE BV
ISSN:	0921-4534
Date:	10 June 1994
Volume:	226
Number:	3-4
Number of Pages:	5
Page Range:	pp. 288-292
Publication Status:	Published
URI:	http://wrap.warwick.ac.uk/id/eprint/20588

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