Possible Meissner effect near room temperature: copper-substituted lead apatite(arxiv.org)

687 points by zaikunzhang 2 years ago | 287 comments

arXiv preprint reporting possible Meissner effect near room temperature in copper-substituted lead apatite (LK-99-type material), based on magnetization measurements.

Ferromagnetic half levitation of LK-99-like synthetic samples(arxiv.org)

317 points by platz 3 years ago | 276 comments

arXiv preprint reporting that LK-99-like samples show half levitation due to soft ferromagnetism, with no evidence of superconductivity.

Absence of superconductivity in LK-99 at ambient conditions(arxiv.org)

126 points by spekcular 3 years ago | 55 comments

Some remarks on possible superconductivity of composition Pb9CuP6O25(arxiv.org)

168 points by rsfern 3 years ago | 74 comments

Semiconducting Transport in LK99 reproduction attempt(arxiv.org)

576 points by spekcular 3 years ago | 240 comments

arXiv preprint reporting a synthesis of the LK-99 compound Pb10-xCux(PO4)6O that shows semiconducting rather than superconducting transport.

Room-Temperature Ambient-Pressure Superconductor LK-99 preprint revision 2(arxiv.org)

444 points by lnyan 3 years ago | 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.