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Room-temperature, ambient-pressure superconductor

Hydrides under megabar pressure superconduct at over 200 K, but only inside diamond anvils. Claims of ambient-pressure room-temperature superconductivity have repeatedly failed replication: the 2023 LK-99 claim was explained by copper sulfide impurities within weeks, and several high-profile hydride papers were retracted. The problem has a clean verifier: zero resistance and a Meissner effect, reproduced in independent labs.

What would settle it

Four-probe zero resistance plus Meissner effect, independently replicated

Sources

Materials · Chemistry and matter

Relations

Relations to this page

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