Eco-friendly ultra-thin bismuth remains stable from near absolute zero to room temperature, enabling highly stable electronic components

https://phys.org/news/2025-03-ultra-thin-bismuth-unexpected-green.html#google_vignette

"non-toxic, biocompatible... temperature-independent anomalous Hall effect in 68-nm-thick bismuth flake... patterned microscopic trenches onto semiconductor wafer, mechanically shaved off thin layers... bismuth's atomic structure constrains electron movement mimicing topological materials' behavior... highly efficient, could revolutionize computing... future: explore whether bismuth's AHE can be converted into its quantum counterpart for higher temperature function... electronic components/ devices: space exploration, medical"