DocumentCode
1908430
Title
Remarkably low value of work function on W(100) produced by Y-O composite layer
Author
Kawakubo, T. ; Saito, Y. ; Miyamoto, N. ; Nakane, H. ; Adachi, H.
Author_Institution
Dept. of Electr. & Electron. Eng., Muroran Inst. of Technol., Japan
fYear
2003
fDate
7-11 July 2003
Firstpage
117
Lastpage
118
Abstract
Electrical dipoles on a metal surface is believed to reduce the work function of the metal remarkably. Here, it is shown that slight yttrium layer with oxygen remarkably reduce the work function on W(100) surface. The reduced amount is much larger than Zr-O dipole on W(100). We believe YO/W(100) surface has a potential ability much better than the ZrO/W(100), which is widely adopted for scanning electron microscopes as bright cathodes.
Keywords
composite materials; scanning electron microscopy; tungsten; work function; yttrium compounds; Y-O composite layer; YO-W; YO-W(100) surface; cathodes; electrical dipoles; scanning electron microscopy; work function; yttrium layer; Electron emission; Equations; Fluorescence; Heating; Needles; Scanning electron microscopy; Tungsten; Voltage; Yttrium; Zirconium;
fLanguage
English
Publisher
ieee
Conference_Titel
Vacuum Microelectronics Conference, 2003. Technical Digest of the 16th International
Conference_Location
Osaka, Japan
Print_ISBN
4-8181-9515-4
Type
conf
DOI
10.1109/IVMC.2003.1223011
Filename
1223011
Link To Document