Microstructure and properties of the 90-K superconductor Bi2Sr3-xCaxCu2O8+

Z. Iqbal, H. Eckhardt, F. Reidinger, A. Bose, J. C. Barry, B. L. Ramakrishna

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Phases with superconducting onset temperatures of 60, 87, and 112 K have been identified in the new superconductor Bi2Sr3-xCaxCu2O8+. The microstructures of two crystal types, one associated with the 87- and 60-K phases, and the other probably with the 112-K phase, have been examined by electron microscopy. The first crystal type has a superlattice structure which is incommensurate for the lower-temperature preparations. The second type of crystal, which forms at higher temperatures, has no superlattice structure.

Original languageEnglish (US)
Pages (from-to)859-862
Number of pages4
JournalPhysical Review B
Issue number1
StatePublished - 1988
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics


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