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AN INVESTIGATION OF THE NEW HIGH-TC TL-V-SR-CA-CU-O AND TL-V-SR-CA-Y-CU-O SUPERCONDUCTORS

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Author(s)

R S LIU, W ZHOU, R JANES, P P EDWARDS

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Abstract

Superconductivity up to 105K has been achieved in the Tl-V-Sr-Ca-Cu-O and Tl-V-Sr-Ca-Y-Cu-O systems. The partial substitution of vanadium for thallium in the crystal lattice stabilizes the TlSr2CaCu2O7 phase and enhances superconductivity up to 80K. Importantly, 20% of Y3+ replacement of Ca2+ sites in the (Tl,V)Sr2CaCu2O(y) compound reduces the excess hole concentration and increases superconductivity by about 20K.

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Original languageEnglish
Pages (from-to)S310-S312
Number of pages3
JournalSuperconductor Science and Technology
Volume4
Issue number1S
Publication statusPublished - Jan 1991

    Research areas

  • SYSTEM

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