Resonant Tunneling Induced Enhancement of Electron Field Emission by Ultra-Thin Coatings.

ABSTRACT: The emission of electrons from the surface of a material into vacuum depends strongly on the material's work function, temperature, and the intensity of electric field. The combined effects of these give rise to a multitude of related phenomena, including Fowler-Nordheim tunneling and Schottky emission, which, in turn, enable several families of devices, ranging from vacuum tubes, to Schottky diodes, and thermionic energy converters. More recently, nanomembrane-based detectors have found applications in high-resolution mass spectrometry measurements in proteomics. Progress in all the aforementioned applications critically depends on discovering materials with effective low surface work functions. We show that a few atomic layer deposition (ALD) cycles of zinc oxide onto suspended diamond n

SUBMITTER: Henkel C 

PROVIDER: S-EPMC6497713 | biostudies-literature | 2019 May

REPOSITORIES: biostudies-literature