Epitaxial Ba--Y--Cu--O ceramic superconductor film on perovskite

Details Epitaxial Ba--Y--Cu--O ceramic superconductor film on perovskite Epitaxial Ba--Y--Cu--O ceramic superconductor film on perovskite

1988-08-15

1991-07-09

Ryan, Patrick

Superconductor technology: apparatus, material, process

High temperature , per se

Having tc greater than or equal to 150 k

505701, 505702, 505703, 505704, 428697, 428688, 428701, 428702, 428910, 428930, 156610, 20419224, B32B 900

Patent

active

050306138

ABSTRACT:
Superconducting Ba--Y--Cu--O ceramic thin film is epitaxially deposited on a crystal substrate of LaAlO.sub.3, LaGaO.sub.3, PrGaO.sub.3 and NdGaO.sub.3.

REFERENCES:
Chem. Abs., CA 110(6):49431v, Sandstrom et al.
Appl. Phys. Lett. 51, 852 (1987), Oh et al., "Critical Current Densities and Transport in Superconducting YBa.sub.2 Cu.sub.3 O.sub.7-.delta. Films Made By . . . etc."
Phys. Rev. Lett. 58, 908 (1987), Wu et al., "Superconductivity at 93 K in a New Mixed-Phase Y--Ba--Cu--O Compound System at Ambient Pressure".
Appl. Phys. Lett. 52, 2077 (1988), A. Gupta et al., "Superconducting Oxide Films with High Transition Temperature Prepared from . . . etc."
Appl. Phys. Lett. 52, 2072 (1988), M. D. Kirk et al., "Scanning Tunneling Microscopy of the a-b Planes of Bi.sub.2 (Ca,Sr).sub.3 Cu.sub.2 O.sub.8+.delta. Single Crystal . . . etc."
Appl. Phys. Lett. 52, 2068 (1988), A. Mogro-Campero et al., "Characterization of Thin Films of Y--B--Cu--O on Oxidized Silicon with . . . etc."
Appl. Phys. Lett. 52, 1992 (1988), B. T. Sullivan et al., "Bi--Sr--Ca--Cu--Oxide Superconducting Thin Films Deposited by dc Magnetron Sputtering".
Appl. Phys. Lett. 52, 1987 (1988), R. P. Gupta et al., "Y--B--Cu--O Superconducting Film on Oxidized Silicon".
Appl. Phys. Lett. 52, 1904 (1988), J. W. C. DeVries et al., "Preparation, Patterning, and Properties of Thin YBa2Cu.sub.3 O.sub.7-.delta. Films".
J. Cryst, Growth 85, 615 (1987), R. L. Henry et al., "Thin Film Growth of YBa.sub.2 Cu.sub.3 O.sub.x From Nitrate Solutions".
J. Cryst, Growth 85, 619 (1987), A. S. Edelstein et al., "Formation of the Structure of the Superconducting Phase of La--Sr--Cu--O by DC Sputtering".
Appl. Phys. Lett. 51, 861 (1987), X. D. Wu et al., "Epitaxial Ordering of Oxide Superconductor Thin Films on (100) SrTiO.sub.3 Prepared by . . . etc."
Appl. Phys. Lett. 52, 1834 (1988), D. M. Hwang et al., "Transmission Electron Microscopy Studies of Superconducting Y--Ba--Cu--O Films Prepared by . . . etc."
Appl. Phys. Lett. 51, 1194 (1987), S. J. Lee et al., "Preparation of Y--Ba--Cu--O Thin Films on M.sub.g O by dc Magnetron Sputtering from . . . etc."
J. Phys. 21, 10 (k1988), Zh Qi et al., "An Investigation of the Film Growth of Y--Ba--Cu--O by DC Magnetron Sputtering".
Appl. Phys. Lett. 53, 156 (1988), S. A. Kramer et al., "Highly Oriented Superconducting Thin Films Derived From the Sol-Gel Process".
J. Appl. Phys. 60, 1640 (1986), R. Fischer et al., "Material Properties of High Quality GaAs Epitaxial Layers Grown on Si Substrates".

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