Field Ion Sources Using Eutectic Alloys
- 1 July 1980
- journal article
- Published by IOP Publishing in Japanese Journal of Applied Physics
- Vol. 19 (7) , L379
- https://doi.org/10.1143/jjap.19.l379
Abstract
Field ion sources using Si-Au and Ge-Au eutectic alloys have been built and their operating characteristics such as the voltage vs. current characteristic, energy and angular distributions have been measured. An angular current density larger than 1.0×10-3 A/sr was obtained both for Si-Au and Ge-Au field ion sources. The width of the energy distribution curves varied with the square root of the ion current which suggests broadening by a space charge effect. The observed results indicate that eutectic alloys can extend the applicability of a field ion source over various elements.Keywords
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