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Superconductivity studies on the MTlSrCaCuO (M = Rate Earth, Sc, Y, Pb, Bi, Th) system
K. Antony Thomas,
Published in
1990
Volume: 25
   
Issue: 4
Pages: 465 - 476
Abstract
Studies on MTl2 Sr2 Ca2 Cu3 Oy (M = Rare Earth, Y, Sc, Pb, Bi and Th) show that superconductivity in the range 40-77K can be achieved in this system depending on the M-ion. The minimum amount of rare earth required to show a Tc ∼ 70K appears to be 25 mole percent. X-ray studies confirm the single phase material responsible for high Tc superconductivity to be 1212 type. It appears that Pb, Bi and Th substitute at the Tl- site whereas the rare earths, Y and Sc prefer the Ca- site. © 1990.
About the journal
JournalMaterials Research Bulletin
ISSN00255408
Open AccessNo
Concepts (7)
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    HIGH TEMPERATURE SUPERCONDUCTORS--TRANSITION TEMPERATURE
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    OXIDES--SUPERCONDUCTIVITY
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    RARE EARTH COMPOUNDS
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    SUPERCONDUCTIVITY--COMPOSITION EFFECTS
  •  related image
    MIXED THALLIUM - COPPER OXIDES
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    Oxide superconductors
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    Superconducting materials