Lk 99, Superconductivity, Quantum Physics, Science, Innovation.
peer-reviewed processes. Chemical Properties and Structure of LK-99 LK-99 is a gray-black, polycrystalline compound with a chemical composition approximated as Pb9Cu(PO4)6O. This indicates that about a quarter of Pb(II) ions in position 2 of the apatite structure are replaced by Cu(II) ions. Its