Hidden atomic dichotomy drives superconductivity in ultra-thin compound

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Mar 4, 2026 - 23:19

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Hidden atomic dichotomy drives superconductivity in ultra-thin compound

Physicists in China have unveiled new clues to the origins of high-temperature superconductivity in an iron-based material just a single unit-cell thick. Led by Qi-Kun Xue and Lili Wang at Tsinghua University, the team's experiments show that the effect emerges through a striking dichotomy between two atomic "sublattices" in the material—offering deeper insight into how superconductivity arises. Their results are published in Physical Review Letters.