A Field Emission Microlens System
作者:
T. H. P. Chang,
D. P. Kern,
L. P. Murray,
U. Staufer,
期刊:
AIP Conference Proceedings
(AIP Available online 1991)
卷期:
Volume 241,
issue 1
页码: 420-433
ISSN:0094-243X
年代: 1991
DOI:10.1063/1.41388
出版商: AIP
数据来源: AIP
摘要:
A novel concept based on STM aligned field emission (SAFE) with microlens to form an exceptionally high brightness electron source and low aberration electron probe forming system has been explored. Electron optical studies of such a microsource have shown it to have a brightness two to three orders of magnitude greater than conventional field emission sources at energies in the low keV range and the ability to form an ultra‐high resolution probe with diameter in the 1 to 10 nm range in conjunction with additional microlenses. Encouraging preliminary experimental results have been obtained.
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