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16 Αυγ 2023 · Scientific detective work has unearthed evidence that the material is not a superconductor, and clarified its actual properties. The conclusion dashes hopes that LK-99 — a compound of copper ...
7 Αυγ 2023 · Independent groups find no evidence for room-temperature, ambient-pressure superconductivity in a modified form of lead apatite dubbed LK-99, as Margaret Harris reports.
Here we performed a systematic study on LK-99, starting from solid-state synthesis, followed by characterisation and transport measurements. We did not observe any signatures of superconductivity in our samples of LK-99. Introduction . In the dynamic field of LK-99, in just three weeks after first preprints, over 3 dozen of follow-up works emerge.
24 Αυγ 2023 · Newly-published, pre-print theoretical research generally continues to support LK-99 as having the properties required to become a superconductor; and now, internet sleuths have discovered a...
We argue that the so-called superconducting behavior in LK-99 is most likely due to a reduction in resistivity caused by the first-order structural phase transition of Cu2S at around 385 K, from the hexagonal structure phase at high temperature to the monoclinic structure phase at low temperature.
2 Αυγ 2023 · Two recent preprints in physics archive (arXiv) have called the attention as they claim experimental evidence that a Cu-substituted apatite material (called LK-99) exhibits superconductivity at...
22 Ιουλ 2023 · For the first time in the world, we succeeded in synthesizing the room-temperature superconductor (Tc above 400 K, 127 oC) working at ambient pressure with a modified lead-apatite (LK-99)...
