Superconductor technology: apparatus – material – process – High temperature – per se – Having tc greater than or equal to 150 k
Patent
1991-06-07
1993-10-12
Lieberman, Paul
Superconductor technology: apparatus, material, process
High temperature , per se
Having tc greater than or equal to 150 k
252521, 505778, 505779, C01F 1102, C01F 1700, C01G 302, H01L 3912
Patent
active
052525449
ABSTRACT:
An oxide superconductor which has a composition expressed by the following general formula and whose crystal structure is 1222-phase structure.
REFERENCES:
Maeda, "New Lead-Based Layered Cuprate Superconductors", AIP Conf. Proc., 219 (Supercond. Its Appl.), 1991, (Abstract only).
Kharlanov, "The New Family of Complex Copper Oxides . . . ", Physica C, vol. 169(5-6), Aug. 15, 1990, pp. 469-475.
Subramanian, "Superconductivity near Liquid Nitrogen Temperature . . . ", Physica C, vol. 157, Jan. 1, 1989, pp. 124-130.
Gai, "Grain Boundary Atomic Structure and Microstructure . . . ", Mat. Res. Soc. Symp. Proc., vol. 138, 1989, pp. 151-156.
Rouillon, "Pb.sub.2 Sr.sub.2 LnCeCu.sub.3 O.sub.10+.delta., a New Member . . . ", Physica C; vol. 167, Apr. 15, 1990, pp. 107-111.
Nobumasa, "Layered Copper Oxide Designed by the Combination . . . ", Z. Phys. B--Condensed Matter, vol. 83, Apr. 1991, pp. 19-22.
Nature, vol. 336, Nov. 17, 1988, pp. 211-214, R. J. Cava, et al., Superconductivity Near 70 K in a New Family of Layered Copper Oxides.
Physics C, 159, pp. 201-209, T. Rouillon, et al., Superconductivity Up to 100 K in Lead Cuprates: A New Superconductor, Apr. 26, 1989.
Physics C, 161, pp. 459-467, A. Tokiwa et al., Crystal Structure and Phase Transition of PbBaSrYCu.sub.x O.sub.y (y=7.about.8.4), Oct. 6, 1983.
Japanese Journal of Applied Physics, vol. 29, No. 6, Jun. 1990, pp. 890-892, Superconductivity in "1201" Lead Cuprate, Seijji Adachi, et al.
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Chemical Abstracts, vol. 114, No. 2, Jan. 14, 1991, pp. 469-475, abstract No. 15701a, Columbus, Ohio, U.S.; A. Kharlanov et al.: "The New Family of Complex Copper Oxides with Possible Superconducting Properties: Lead Stronitium Rare Earth Cerium Copper Oxide (Pb.sub.2 Sr.sub.2 R.sub.1.33 Ce.sub.0.67 Cu.sub.3 O.sub.10+.delta.)", & Physica C, (Amsterdam), 1990, vol. 169, No. 5-6, pp. 469-475.
Chemical Abstracts, vol. 112, No. 4, Jan. 22, 1990, abstract No. 29249e, Columbus, Ohio, U.S.; & CN-A-87102231 (Faming Zhuanli Shenqing Gongkai Shuomingshu) Oct. 12, 1988.
Ichinose Ataru
Koriyama Shin-ichi
Maeda Toshihiko
Sakuyama Kazuhiro
Tanaka Shoji
Boyd John
Central Research Institute of Electric Power Industry
International Superconductivity Technology Center
Kyocera Corporation
Lieberman Paul
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