Diamond nitrogen-vacancy quantum sensing microscope non-destructively maps magnetic fields/ internal current paths in sub-2nm gates

https://www.eurekalert.org/news-releases/1136831

"metrology tool for semiconductor foundries debugging yield/ current leakage in gate-all-around (eliminates current leakage/ short-channel effect) 2-layer chromium sulfur bromide van der Waals magnetic spin transistors, which combine logic switching/ non-volatile memory in 1 crystal... leverages space-charge-limited conduction dynamics, achieving 1M% electrical on/off ratio, 3K% magnetic on/off ratio... instant-on processors bypassing von Neumann memory bottleneck without interface losses"