Researchers report that a material (hexagonal HP-BaCoO3) made under high-pressure (6 GPa, 1200 °C) and was tested at ambient-pressure. The material (with a 2H crystal structure) has a short intrachain Co–Co distance of about 2.07 Å. The magnetization investigation revealed robust diamagnetic behavior below approximately 130 K when the material was exposed to weak applied magnetic fields (10 Oe) and a distinct “half-levitation” phenomenon below that temperature, as is often observed for superconductors. Its field-dependent magnetization profile, however, unveils the characteristics of ferromagnetism, marked by a substantial magnetic retentivity of 0.22(1) μB/Co at a temperature of 2 K. Electrical resistivity measurements indicate that HP-BaCoO3 is a ferromagnetic insulator, not a superconductor.
The material had what looked like superconductor characteristics but it was not a superconductor.
The research was in the Journal of the American Chemical Society. The researchers were from Princeton and Michigan State.
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In light of the LK99 developments, we can anticipate that more research on materials with unique and unexpected properties, like hexagonal HP-BaCoO3, will be conducted and reported. The incident has drawn attention to the importance of exploring novel materials and understanding their characteristics thoroughly.
I feel the increased awareness and curiosity within the scientific community may lead to the discovery of more materials with intriguing properties. This is just the start.
Where’s the LK-99 paper?
https://www.nextbigfuture.com/2023/09/a-new-hyun-tak-kim-lk99-superconducting-paper-will-published-in-about-3-5-weeks.html
Came here to ask the same thing
For all those that dissed the first novel non-superconducting prototype LK 99, this is what happens when you uncover a novel new class of materials. The experiments will continue and hopefully something useful will come of it.