Ceramic substrate useful for the preparation of superconducting

Details Ceramic substrate useful for the preparation of superconducting Ceramic substrate useful for the preparation of superconducting

1997-09-05

1999-01-05

Yamnitzky, Marie

Superconductor technology: apparatus, material, process

High temperature devices, systems, apparatus, com- ponents,...

Substrate for supporting superconductor

505238, 505701, 428697, 428701, 428702, 428930, H01L 3900

Patent

active

058562761

ABSTRACT:
A novel ceramic substrate useful for the preparation of superconducting films, said substrate having the formula REBa.sub.2 MO.sub.6 where RE represents rare earth metals--Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu and M represents metals Nb, Sb, Sn, Hf, Zr; and a process for the preparation of superconducting YBa.sub.2 Cu.sub.3 O.sub.7-.delta. thick films on new ceramic substrate.

REFERENCES:
patent: 5314871 (1994-05-01), Nakamura
patent: 5741747 (1998-04-01), Koshy et al.
Low Surface Resistance YBCO Thick Films by M. McN Alford, T.W. Button and D. Opie (1991), pp. 433-435, Supercond. Sci. Technol., vol. 4.
Grain Growth Enhancement in Silver-Doped YBa.sub.2 Cu.sub.3 O.sub.7-x Superconductor by G. Kozlowski, S. Rele, D. F. Lee and K. Salama, pp. 1056-1060, J. Mater. Sci., vol. 26 (1991).
RF Squid Behaviour in YBCO Thick Films Up To 85 K by Andraj Khare, A.K. Gupta, Sangeeta Chaudhry and V.S. Tomar (Feb. 1991), pp. 107-109, Supercond. Sci. Technol., vol. 4.
Preparation of Perovskite Oxides for High T.sub.c Superconductor Substrates by C.D. Brandle and V.J. Fratello (Oct. 1990), pp. 2160-2164, J. Mater. Res., vol. 5, No. 10.
High-T.sub.c of Undoped and Fluorine-Doped YBa.sub.2 Cu.sub.3 O.sub.y Films On Ceramic Substrates By Screen Printing by Narottam P. Bansal (Feb. 1992), pp. 7-11, Materials Letters, vol. 13.
Low Surface Resistance in YBa.sub.2 CU.sub.3 O.sub.x Melt-Processed Thick Films by N. Mc N. Alford, T.W. Button, M.J. Adams, S. Hedges, B. Nicholson and W.A. Philips (Feb. 1991), pp. 680-683, Nature, vol. 349.
Chemical Interaction Between Ba.sub.2 CU.sub.3 O.sub.7-.delta. and Substrate Materials In The Solid State by Hideomia Koinuma, Kunio Fukuda, Takuya Hashimoto and Kazuo Fueki (Jul. 1988), pp. 1216-1218, Jap. Journal of Applied Physics, vol. 27, No. 7.
Y-Ba-Cu-O Superconducting Films Grown on (100) Magnesia and Sapphire Substrates By A Melt Growth Method Without Crucible by L.H. Perng, T.S. Chin, K.C. Chen and C.H. Lin (1990), pp. 233-237, Superconduct. Sci. Technol., vol. 3.
Brousse et al, "Superconducting Screen Printed Thick Films of YBa.sub.2 Cu.sub.3 O.sub.7 and Bi.sub.1-6 Pb.sub.0-4 Sr.sub.1-6 Co.sub.2-4 Cu.sub.3 O.sub.10 on polycrystalline substrates", Appl. Phys. A49, pp. 217-220 (1989).

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