Superconductivity above 130 K in the Hg-Ba-Ca-Cu-O system

Superconductivity above 130 degrees K in a material containing HgBa2Ca2Cu3O1 plus x, HgBa2CaCu2O6 plus x and an ordered superstructure comprising a defined sequence of the unit cells of these phases is detailed. The maximum transition temperature of approximately 133 degrees K is significantly highe...

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Bibliographic Details
Published inNature (London) Vol. 363; no. 6424; pp. 56 - 58
Main Authors Schilling, A, Cantoni, M, Guo, J. D, Ott, H. R
Format Journal Article
LanguageEnglish
Published London Nature Publishing 06.05.1993
Nature Publishing Group
Subjects
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Exact sciences and technology
Physics
Properties of type I and type II superconductors
Superconductivity
Transition temperatures
Barium Calcium Copper Mercury Oxides Mixed
Electrical conductivity
Transition metal Compounds
Superstructure
Experimental study
Lattice parameters
Thermal annealing
High temperature superconductor
Superconducting transition
Inorganic compound
Magnetic susceptibility
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Summary:Superconductivity above 130 degrees K in a material containing HgBa2Ca2Cu3O1 plus x, HgBa2CaCu2O6 plus x and an ordered superstructure comprising a defined sequence of the unit cells of these phases is detailed. The maximum transition temperature of approximately 133 degrees K is significantly higher than the previous record of 125-127 degrees K observed in Tl2Ba2Ca2Cu3O10.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ISSN:0028-0836
1476-4687
DOI:10.1038/363056a0