Noise behaviour of field emission cathode based on lead pencil graphite

Autor: Dinara Sobola, Miroslav Horáček, Alexandr Knápek, Josef Sikula, Tomas Kuparowitz, Frantisek Hruby
Rok vydání: 2017
Předmět:
Zdroj: 2017 30th International Vacuum Nanoelectronics Conference (IVNC).
DOI: 10.1109/ivnc.2017.8051642
Popis: The paper describes electrical noise of experimental field emission cathodes based on “polymer” pencil leads which have a high content of hybridized carbon with a low degree of surface oxidation and silicon monoxide (SiO). Charge transport within experimental samples is evaluated based on results provided by the noise spectroscopy method. The paper also briefly describes the experimental preparation method of graphite tips based on ion milling which allow obtaining ultrasharp tips of a diameter lower than 100 nm.
Databáze: OpenAIRE