Domainlike defects observed in the high-temperature superconductor Y-Ba-Cu-O

Transmission-electron microscopy of the high-superconductivity-transition-temperature oxide Y sub 1 Ba sub 2 Cu sub 3 O sub x reveals the presence of planar defects along (110) direction more-or-less uniformly spaced (spacing approx 300 A) and dispersed throughout the specimens. These defects persis...

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Bibliographic Details
Published in:Physical review. B, Condensed matter Condensed matter, 1987-10, Vol.36 (10), p.5669-5671
Main Authors: PANDE, C. S, SINGH, A. K, TOTH, L, GUBSER, D. U, WOLF, S
Format: Article
Language:English
Subjects:
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Exact sciences and technology
Physics
Properties of type I and type II superconductors
Superconductivity
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Summary:Transmission-electron microscopy of the high-superconductivity-transition-temperature oxide Y sub 1 Ba sub 2 Cu sub 3 O sub x reveals the presence of planar defects along (110) direction more-or-less uniformly spaced (spacing approx 300 A) and dispersed throughout the specimens. These defects persisted on cooling down to the transition temperature (93K), but disappeared on heating > 400 deg C in in situ experiments inside the electron microscope. The possible role of these "domains" or interfaces in superconductivity is discussed. 6 ref.--AA
ISSN:0163-1829
1095-3795
DOI:10.1103/PhysRevB.36.5669