Article comprising an intermetallic superconductor material

Details Article comprising an intermetallic superconductor material Article comprising an intermetallic superconductor material

1993-12-10

2000-08-01

Wyszomierski, George

Alloys or metallic compositions

Palladium base

420901, 505805, C22C 504

Patent

active

060962631

ABSTRACT:
A novel intermetallic superconductor with surprisingly high transition temperature is disclosed. The material comprises B and C, and can form a bulk superconductor. Exemplary of the novel superconductors is material of nominal composition YPd.sub.5 B.sub.3 C.sub.x, with x chosen such that the C:B ratio is in the range 0.05-2. An exemplary bulk sample of such composition has T, (onset) of 22.5 K, with more than 15 volume % of the sample being superconducting.

REFERENCES:
patent: 4264358 (1981-04-01), Johnson et al.
patent: 4722828 (1988-02-01), Liu
"Superconductivity at 12 K IN Y-Ni-B System", by C. Mazumdar et al., Solid State Communications, vol. 87, No. 5, pp. 413-416, 1993.

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