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'Unconventional' Nickel Superconductor Excites Physicists
Tuesday February 18, 2025. 04:35 PM , from Slashdot
![]() Nickelates now join two groups of ceramics -- copper-based cuprates and iron-based pnictides -- as 'unconventional superconductors' that operate at room pressure and temperatures as high as 150K (-123C). This new data point could help physicists to finally explain how high-temperature superconductors work, and ultimately to design materials that operate under ambient conditions. This would make technologies, such as magnetic resonance imaging, radically cheaper and more efficient. How unconventional superconductors operate at warmer temperatures remains largely a mystery, whereas the mechanism behind how some metals can carry electricity without resistance at colder temperatures, or extreme pressures, has been understood since 1957. The ability of the Sustech researchers to precisely engineer the material's properties is huge boon in trying to use nickelates to unravel the theory behind unconventional superconductivity, says Lilia Boeri, a physicist at the Sapienza University of Rome. 'The idea that you have a system that you can sort of tune experimentally, is something quite exciting.' Read more of this story at Slashdot.
https://science.slashdot.org/story/25/02/18/1535250/unconventional-nickel-superconductor-excites-phy...
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