DocumentCode
1952885
Title
Density-gradient analysis of effects of geometry on field-emitter characteristics
Author
Ancona, M.G.
fYear
1992
fDate
13-16 Dec. 1992
Firstpage
383
Lastpage
386
Abstract
An approximate approach to quantum transport problems known as density-gradient theory is used to study geometrical and space-charge effects on field emission in planar, cylindrical and spherical geometries. It is shown that significant departures from simple field enhancement ( beta factor) arise for radii of curvature below 50AA and that for many purposes explicit inclusion of space-charge effects is unnecessary especially in non-planar geometries.<>
Keywords
electron field emission; many-body problems; vacuum microelectronics; cylindrical geometries; density-gradient analysis; field-emitter characteristics; nonplanar geometries; planar geometries; quantum transport problems; radii of curvature; space-charge effects; spherical geometries; vacuum microelectronics; Electron emission; Vacuum microelectronics;
fLanguage
English
Publisher
ieee
Conference_Titel
Electron Devices Meeting, 1992. IEDM '92. Technical Digest., International
Conference_Location
San Francisco, CA, USA
ISSN
0163-1918
Print_ISBN
0-7803-0817-4
Type
conf
DOI
10.1109/IEDM.1992.307383
Filename
307383
Link To Document