Semiconducting Transport in LK99 reproduction attempt(arxiv.org)
576 points by spekcular | 240 comments
arXiv preprint reporting a synthesis of the LK-99 compound Pb10-xCux(PO4)6O that shows semiconducting rather than superconducting transport.
First screen, captured .
Looks similar
Possible Meissner effect near room temperature: copper-substituted lead apatite(arxiv.org)
687 points by zaikunzhang | 287 comments
arXiv preprint reporting possible Meissner effect near room temperature in copper-substituted lead apatite (LK-99-type material), based on magnetization measurements.
Room-Temperature Ambient-Pressure Superconductor LK-99 preprint revision 2(arxiv.org)
444 points by lnyan | 268 comments
arXiv preprint (v2) by Lee et al. claiming LK-99, a copper-doped lead apatite, is a room-temperature ambient-pressure superconductor showing levitation.
Observation of zero resistance above 100 K in Pb₁₀₋ₓCuₓ(PO₄)₆O(arxiv.org)
734 points by segfaultbuserr | 348 comments
arXiv preprint reporting zero resistance above 100 K at ambient pressure in a synthesized polycrystalline sample of copper-doped lead apatite (LK-99).
Electronic Structure of LK-99(arxiv.org)
497 points by spekcular | 373 comments
arXiv preprint presenting DFT calculations of the electronic structure of the putative room-temperature superconductor LK-99 (Pb9Cu(PO4)6O), finding flat Cu bands at the Fermi level.
Related stories
Room-Temperature Ambient-Pressure Superconductor LK-99 preprint revision 2(arxiv.org)
444 points by lnyan | 268 comments
arXiv preprint (v2) by Lee et al. claiming LK-99, a copper-doped lead apatite, is a room-temperature ambient-pressure superconductor showing levitation.
Successful room temperature ambient-pressure magnetic levitation of LK-99(arxiv.org)
2308 points by spekcular | 1146 comments
arXiv preprint reporting synthesis of LK-99 crystals that show room-temperature, ambient-pressure magnetic levitation, replicating Sukbae Lee et al.'s claims.
A room-temperature superconductor? New developments(science.org)
1158 points by nneonneo | 735 comments
Derek Lowe's In the Pipeline blog post on Science.org (Aug 2023) discussing new developments around the claimed room-temperature superconductor LK-99.
LK-99 isn’t a superconductor(nature.com)
2063 points by Brajeshwar | 679 comments
Nature news article from August 2023 explaining how researchers determined that LK-99 is not a room-temperature superconductor.
LK-99: The live online race for a room-temperature superconductor(forums.spacebattles.com)
489 points by fofoz | 492 comments
A SpaceBattles forum thread discussing claims of the LK-99 room-temperature, ambient-pressure superconductor and the online efforts to replicate it.
Is the emergence of life an expected phase transition in the evolving universe?(arxiv.org)
416 points by harscoat | 347 comments
arXiv paper by Stuart Kauffman and Andrea Roli arguing that the emergence of life is an expected phase transition, using autocatalytic sets and the theory of the adjacent possible.