Superior CoO/SiC nanowire field emitters with substantially increased stable emission sites: ultralow turn-on field, high current density and high stability
Kai Song, Xiaoxiao Li, Weijun Li, Lin Wang, Chuangchuang Gong, Hu Feng, Fengmei Gao, Fang He, Shanliang Chen
Abstract
We explored high-performance field emitters with numerous CoO nanoparticles surrounding SiC nanowires for increasing emission sites, which exhibited ultralow turn-on field (0.40 V μm −1 ), high current density (18.6 mA cm −2 ) and high emission stability.
Topics & Concepts
Materials scienceField electron emissionNanowireCurrent densityField (mathematics)Current (fluid)Stability (learning theory)OptoelectronicsNanotechnologyElectronElectrical engineeringEngineeringMathematicsPure mathematicsMachine learningPhysicsComputer scienceQuantum mechanicsCarbon Nanotubes in CompositesDiamond and Carbon-based Materials ResearchSemiconductor materials and devices