Nano-scale modification and doping of diamond: interesting science and promising technology
作者： Rafi Kalish
关键词: Field electron emission 、 Optoelectronics 、 Material properties of diamond 、 Chemistry 、 Nanotechnology 、 Surface conductivity 、 Electron affinity 、 Doping 、 Secondary emission 、 Diamond 、 Nanoelectronics
摘要: Diamond is a unique material with outstanding physical and chemical properties. Among these are very unusual properties of the diamond surface; i.e., its negative electron affinity when hydrogen terminated (i.e., 'negative work-function') p-type 2D electrical conductivity it shows (when exposed to different atmospheres). These make choice for fundamental study variety electron-emission processes as well their application, on nano-scale, point cold devices various nano-size electronic devices. The uniqueness surface, discussed. Results emission electrons from induced by an external electric field (field emission) electron-impact (secondary ion-impact (ion-induced electron-emission) reviewed. Modifications nano-scale single ion-impacts localised fields (from STM tip) demonstrated. Stunning results huge ion-induced rapid degradation presented explained. possible application utilising surface resulting quantisation discussed enabling realisation low dimensional (line point) including sources nano scale
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