A stable LaB<sub>6</sub> nanoneedle field-emission point electron source
Shuai Tang, Jie Tang, Jun Uzuhashi, Tadakatsu Ohkubo, Wataru Hayami, Jinshi Yuan, Masaki Takeguchi, Masanori Mitome, Lu‐Chang Qin
Abstract
), small energy spread (0.2 eV), and especially high emission stability (<1% fluctuation in 16 hours without decay). It can now be used practically as a next-generation field-emission point electron source.
Topics & Concepts
Field electron emissionElectronWork functionCathode rayAtomic physicsNanoneedlePhysicsMaterials scienceElectron beam-induced depositionBrightnessOpticsOptoelectronicsNanotechnologyLayer (electronics)NanostructureQuantum mechanicsAdvanced Materials Characterization TechniquesSemiconductor materials and devicesAdvanced Electron Microscopy Techniques and Applications