A new high-entropy alloy superconductor developed

Since the discovery of superconductivity, scientists have been striving to create a material that could conduct

Electric current without resistance at atmospheric pressure and at a temperature as close as possible to room temperature.

High-entropy alloys retainsuperconducting characteristics up to extremely high pressures. The new superconductor has a superconducting transition at 8K, which is a relatively high temperature for alloys.

The researchers used a method to createbased on high-entropy alloys, where certain areas in simple crystal structures can be occupied by five or more elements. It is expected that in the future such a “discovery platform” may become one of the main tools in the production of new ones. 

Only instead of copper, the researchers useda “cocktail” of different transition metals, and instead of aluminum, zirconium atoms. After studying several compositions, the authors settled on Co0.2Ni0.1Cu0.1Rh0.3Ir0.3Zr2. It turned out that such a material goes into a superconducting state at 8 Kelvin (about -265 Celsius).

This is a low temperature, but scientists see great promise for this material as a platform for creating other superconductors. 

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