期刊
NANOTECHNOLOGY
卷 23, 期 38, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.1088/0957-4484/23/38/385302
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资金
- US Department of Energy, Basic Energy Sciences [DE-SC0006509]
- US Department of Energy [DE-FG02-07ER46453, DE-FG02-07ER46471]
- U.S. Department of Energy (DOE) [DE-SC0006509] Funding Source: U.S. Department of Energy (DOE)
This work demonstrates electron beam induced deposition of silicon from a SiCl4 liquid precursor in a transmission electron microscope and a scanning electron microscope. Silicon nanodots of tunable size are reproducibly grown in controlled geometries. The volume of these features increases linearly with deposition time. The results indicate that secondary electrons generated at the substrate surface serve as the primary source of silicon reduction. However, at high current densities the influence of the primary electrons is observed to retard growth. The results demonstrate a new approach to fabricating silicon nanostructures and provide fundamental insights into the mechanism for liquid phase electron beam induced deposition.
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