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A New High-T<sub>c</sub> Oxide Superconductor without a Rare Earth Element
Japanese Journal of Applied Physics · 1988 · Vol. 27(2A) · pp. L209–L209
Hiroshi Maeda✉(Institute of Metals Research)Yoshiaki Tanaka(Institute of Metals Research)Masao Fukutomi(Institute of Metals Research)Toshihisa Asano(Institute of Metals Research)
Abstract
We have discovered a new high- T c oxide superconductor of the Bi-Sr-Ca-Cu-O system without any rare earth element. The oxide BiSrCaCu 2 O x has T c of about 105 K, higher than that of YBa 2 Cu 3 O 7 by more than 10 K. In this oxide, the coexistence of Sr and Ca is necessary to obtain high T c .
Physics of Superconductivity and MagnetismSuperconducting Materials and ApplicationsIron-based superconductors researchRare-earth elementOxideSuperconductivityRare earthMaterials scienceAlkaline earth metalElement (criminal law)CrystallographyHigh-temperature superconductivityMineralogy
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References
Superconductivity at 93 K in a new mixed-phase Y-Ba-Cu-O compound system at ambient pressure
Physical Review Letters · 1987 · 7,070 citations
High T<sub>c</sub>Superconductivity of La-Ba-Cu Oxides
Japanese Journal of Applied Physics · 1987 · 490 citations
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