High‐Temperature Electrical Properties of the Bi2.1Sr1.9(Ca1–xYx)Cu2Oy Solid Solution

Byungsun Hong*, Thomas O. Mason

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

6 Scopus citations


By a combination of conventional physical property measurements and high‐temperature electrical property studies, the solid solution limit, transport parameters, and potential defect regimes of the Bi2.1Sr1.9(Ca1 ‐ xYx)Cu2Oy solid solution were established. A continuous solid solution extends to x= 0.7 or 0.8. The electrical properties indicate that the product of the hole density‐of‐states and mobility for semiconducting compositions is approximately an order of magnitude smaller than for the other p‐type superconducting cuprates. A pronounced drop in hole concentration accompanies the tetragonal‐to‐orthorhombic transition at x= 0.5, whereafter superconductivity disappears. The electrical properties also indicate that a composition x change occurred reversibly below 1100°C.

Original languageEnglish (US)
Pages (from-to)635-640
Number of pages6
JournalJournal of the American Ceramic Society
Issue number3
StatePublished - Mar 1993

ASJC Scopus subject areas

  • Ceramics and Composites
  • Materials Chemistry


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