Reports

Synthesis and Properties of a Cuprate Superconductor Containing Double Mercury-Oxygen Layers

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Science  15 Jul 1994:
Vol. 265, Issue 5170, pp. 380-383
DOI: 10.1126/science.265.5170.380

Abstract

A cuprate superconductor containing double mercury layers was synthesized with a high-pressure, high-temperature technique. The compound, with chemical formula Hg2Ba2-Y1-xCaxCu2O8-δ, contains a double HgO layer with structure similar to that of rock salt. The prototype compound Hg2Ba2YCu2O8-δ is an insulator. Superconductivity is induced in the system by partially replacing yttrium with calcium.

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