Effect of nominal composition on the superconductivity in La2CuO4-y

S. M. Fine, M. Greenblatt, S. Simizu, S. A. Friedberg

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Abstract

Samples of La2CuO4 prepared with a nominal stoichiometry slightly deficient in lanthanum (i.e., La1.9CuO4) show a greater diamagnetic susceptibility and a sharper resistive transition than samples prepared from stoichiometric amounts of starting materials. The effect of adding K2CO3 to the reaction mixture is also discussed.

Original languageEnglish (US)
Pages (from-to)5716-5718
Number of pages3
JournalPhysical Review B
Volume36
Issue number10
DOIs
StatePublished - 1987

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics

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