Stable field emission of electrons from liquid metal

Experiments were carried out on the field emission of electrons from Ga-In-Sn liquid alloy and a stable DC emission was observed in addition to the pulse explosion already reported. The emission stability depended on the apex radius of the tungsten tip to which the liquid metal adhered to form a con...

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Bibliographic Details
Published in:Japanese Journal of Applied Physics 1987-06, Vol.26 (6), p.L896-L898
Main Authors: HATA, K, OHYA, R, NISHIGAKI, S, TAMURA, H, NODA, T
Format: Article
Language:English
Subjects:
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Cross-disciplinary physics: materials science
rheology
Electron and ion emission by liquids and solids
impact phenomena
Exact sciences and technology
Field emission, ionization, evaporation, and desorption
Materials science
Metals, semimetals and alloys
Optical properties and condensed-matter spectroscopy and other interactions of matter with particles and radiation
Other interactions of matter with particles and radiation
Physics
Specific materials
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Description
Summary:Experiments were carried out on the field emission of electrons from Ga-In-Sn liquid alloy and a stable DC emission was observed in addition to the pulse explosion already reported. The emission stability depended on the apex radius of the tungsten tip to which the liquid metal adhered to form a cone. When we used an emitter with an apex radius smaller than 0.5 µm, Fowler-Nordheim plots in the DC mode were heavily influenced by the adhesive state at its surface.
ISSN:0021-4922
1347-4065
DOI:10.1143/jjap.26.l896