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Maroc Maroc - WN.COM - Science - 08/Mar 10:16

High-temperature superconducting dome ‘breakthrough’ mapped in nickelate crystals

Physicists hunting for new superconductors often look for a very specific shape hidden in their data—a dome. In many of the world’s most intriguing superconducting materials, superconductivity appears only within a curved region of a phase diagram, rising to a peak before fading again. Spotting this superconducting dome is often a sign that researchers have stumbled onto the right ingredients for high-temperature superconductivity. Now, a new study reports this telltale feature in thin films of a nickel-based material, La₃Ni₂O₇, offering an important clue about how superconductivity might emerge in a new family of compounds. “Our work was inspired by recent pioneering...

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