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May 28, 2019
6:12PM

Scientists break record for highest-temperature superconductor

Representational Pic
Scientists says, they have discovered superconductivity at the highest temperatures ever recorded. Superconductivity is the ability to conduct electricity perfectly. The researchers at the University of Chicago in the US studied a class of materials in which they observed superconductivity at temperatures of about minus 23 degrees Celsius, a jump of about 50 degrees compared to the previous confirmed record. 

Though the superconductivity happened under extremely high pressure, the result still represents a big step towards creating superconductivity at room temperature, the ultimate goal for scientists to be able to use this phenomenon for advanced technologies. Just as a copper wire conducts electricity better than a rubber tube, certain kinds of materials are better at becoming superconductive, a state defined by two main properties.

According to the results published in the journal Nature, the material offers zero resistance to electrical current and cannot be penetrated by magnetic fields. However, scientists have previously only been able to create superconducting materials when they are cooled to extremely cold temperatures initially, minus 240 degrees Celsius and more recently about minus 73 degrees Celsius.

Since such cooling is expensive, it has limited their applications in the world at large. Recent theoretical predictions have shown that a new class of materials of superconducting hydrides could pave the way for higher-temperature superconductivity.

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