Superconductivity in the Nd-Sr-Ce-Cu-O System

Abstract
A new high-T c superconductor Nd-Sr-Ce-Cu-O system has been found by the resistivity and magnetization measurements. The highest onset transition temperature is about 28 K. The superconducting phase may be described as (Nd1-x Sr x-y Ce y )2CuO4-δ.

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