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US Scientists Announce Breakthrough in High-Temperature Superconductivity

University of Miami researchers have developed a new theory that could make high-temperature superconductivity possible. “Understanding how superconductivity works at higher temperatures will make it easier to know how to look for such superconductors, how to engineer them, and then how to integrate them into new technologies,” stated associate professor of physics Josef Ashkenazi, the study’s lead author. Superconductivity typically occurs at very low temperatures. The researchers found that when heated slightly above the critical temperature, an effect occurs that makes a cuprate, a material created primarily from copper and oxygen, a superconductor again. This could also occur with materials such as iron pnictides, known as iron-based superconductors, and chalcogenides. The researchers say their work will let them recreate the phenomenon in different materials and in a wider temperature range, ultimately enabling smaller, more powerful and energy efficient technologies. The specific types of technologies were not described. They are slated to publish their work in Europhysics Letters. (PhysOrg)(EurekAlert)(arXiv)

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