Understanding the surface structure evolution and electron emission behaviors during the activation of Ir-coated dispenser cathodes
Xiaoyang Chen, Hexiong Liu, Yongfeng Cai, Wenyuan Zhou, Shuqun Chen, Jian Peng, Yunfei Yang, Jinshu Wang
Topics & Concepts
CathodeTungstenIridiumWork functionMaterials scienceCoatingCurrent densityLayer (electronics)AdsorptionDensity functional theoryChemical physicsChemical engineeringNanotechnologyChemistryMetallurgyPhysical chemistryComputational chemistryBiochemistryPhysicsEngineeringCatalysisQuantum mechanicsSemiconductor materials and devicesMolecular Junctions and NanostructuresZnO doping and properties