Process of making an oriented polycrystal superconductor

Details Process of making an oriented polycrystal superconductor Process of making an oriented polycrystal superconductor

1988-09-06

1991-02-05

Lieberman, Paul

Superconductor technology: apparatus, material, process

High temperature , per se

Having tc greater than or equal to 150 k

148108, 252521, 264 24, 264108, 505803, B01L 3912, H01F 110

Patent

active

049904930

ABSTRACT:
A superconductive polycrystalline body is produced having a composition selected from the group consisting of Y.sub.1-x (Ln).sub.x Ba.sub.2 Cu.sub.3 O.sub.7-7, La.sub.1-x (Ln).sub.x Ba.sub.2 Cu.sub.3 O.sub.7-y and a combination thereof wherein x ranges from about 0.01 to about 0.5, y ranges up to about 0.3, and where Ln is selected from the group consisting of Nd, Sm, Eu, Gd, Dy, Ho, Er, Tm, Yb and a combination thereof.

REFERENCES:
patent: 3596350 (1971-08-01), Steingroever
patent: 3615915 (1971-10-01), Luiten
patent: 3676273 (1972-07-01), Graves
patent: 3867299 (1975-02-01), Rohatgi
patent: 4222814 (1980-09-01), Reitz
Murphy "New Superconducting Cuprate Peroskites", Phy. Rev. Lttrs. vol. 58, No. 18, May 4, 1987, p. 1888-1890.
Tsurumi "High-T.sub.1 Superconductivities of (Y.sub.1-x Yb.sub.x).sub.2 Ba.sub.2 Cu.sub.6 O", Jap. Jnl. App. Phys., vol. 26, No. 5, May 1987, pp. L704-L705.
Solin, "Field-Induced Orientation of Nonlevitated Microcrystals", Phys. Rev. Lttrs., vol. 60, No. 8, Feb. 22, 1988, pp. 744-747.
Ferreira "Magnetic Field Alignment of High-Tc Super", . . . Appl. Phys. A 47, pp. 105-110.
Stripp "Lab vs. Factory: Fabrication of Products . . . ", Wall Street Journal, Jul. 9, 1987, pp. 1 and 23.
McKinnon, "Rare-Earth Doping of High Tc Superconducting . . . ", Proceeding MRS Conference, Apr., 1987, p. 185-187.
Kishio, "Superconductivity Acheived at Over Liquid . . . ", Jap. Jnl of Appl. Phys., vol. 26, No. 5, May 1987, pp. L694-696.
Lee, "Microstructural Details and Magnetic Properties of . . . ", Proceedings: MRS Conference, Apr., 1987, pp. 263-266.
Thompson, "Magnetization and Susceptibility Studies . . . ", Physical Review B [Preprint] Jul. 1, 1987.
Tranquada, "Observation of Alignment of Superconducting . . . ", Physical Review B vol. 37(1), Jan. 1, 1988, pp. 519-521.
Varadaraju, "Effect of Chemical Substitution on the . . . ", Physica 148 (B) 1987, pp. 417-418.
Suzuki, "Rare-Earth (RE)-Barium Solubility . . . ", Jap. Jnl. App. Phys., vol. 27, No. 5, May 1988, pp. L792-794.
Sampathkumaran, "Absence of Solid Solution of the Type . . . ", Jap. Jnl. Appl. Phys., vol. 17, No. 4, Apr. 1988, pp. L584-586.
"University New", Superconductor News, Mar./Apr. 1988, p. 7.
"Getting Warmer", Scientific American, Oct. 1987, pp. 33-34.
Solin, "X-ray Studies of Field-Induced Orientations . . . ", Physica C, 153-155 (Pt. 1) 1988, pp. 986-987 (Abstract).

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