Listening to noise in specially designed transistors identifies and characterizes atomic-scale defects in hexagonal boron nitride

https://www.eurekalert.org/news-releases/1062361

"detects: carbon replacing boron atoms... analyzing tiny/ rhythmic fluctuations in electrical current... atomically thin structure, excellent insulating properties... overcomes electronic property degradation... transistor sandwiching 2D molybdenum disulfide between hBN layers, cryogenic cooling/ applying precise electrical voltages... analyzing signals at different temperatures/ voltages determining energy levels/ spatial defect locations... create more perfect quantum material, single-photon emitters for secure communications"