A team at the Chinese Academy of Sciences slipped organic molecules between the atomic layers of a well-studied quantum crystal, compressed it to extreme pressure, and watched the material's entire electronic roadmap change — producing a superconducting state that shrugs off magnetic fields twice as powerful as classical theory says it should be able to bear. The result, published in Reports on Progress in Physics, is not just a story about one unusual material: it is the latest demonstration that inserting organic spacer molecules between crystal layers is becoming a reliable engineering technique for coaxing bulk quantum materials into exotic quantum states previously thought to require single-atom-thick samples.
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