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One group claimed that their sample of LK-99 went superconducting at ~110K: https://arxiv.org/abs/2308.01192 https://arxiv.org/abs/2308.01192
by floxy 3y ago
One group claimed that their sample of LK-99 went superconducting at ~110K:
https://arxiv.org/abs/2308.01192 https://arxiv.org/abs/2308.01192
- zamadatix 3y agoThe conclusion is a bit clearer: they think they observed what seemed like zero resistance at the temperature but they are unsure it was actually superconducting, hence the title being the measured resistivity instead of superconductivity directly. It's also possible (and far more likely IMO) them reaching the noise floor of the instrument was not the same as the sample actually having 0 resistance. Superconductors have a sharp dropoff at the critical temperature whereas their sample seemed to just continually have less resistance until the noise floor of the tool. It'd be cool to find it was superconducting at a temperature near that high though. That'd still be one of the best high temperature superconductors we've found.