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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 ...
4 Αυγ 2023 · Claimed superconductor LK-99 is an online sensation — but replication efforts fall short. Social media is abuzz with chatter about the material, but some scientists are pushing back on the...
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...
synthesised LK-99 samples are heterogeneous, with a small fraction of ‘flaky’ fragments exhibiting ‘half-levitation’ over permanent magnet at room temperature28. Magnetisation measurements of these fragments (and even of the samples that did not half-levitate) show magnetic response, e.g., 0.00055
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 ...
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...
Lk99 is supposed to be a copper (Cu) doped Lead Apatite with the formula Pb9CuP6O25 or Pb9Cu (PO4)6O [2]. The undoped form is Pb10 (PO4)6O. So essentially, a Pb atom is replaced/doped with the Cu atom in LK99. A study from India was able to synthesize the Cu-doped Lead Apatite from the precursors: Cu3P and Pb2SO5 [3].
