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Chemical nature of the luminescent centre in fresh and aged porous silicon layers
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UNSPECIFIED (1996) Chemical nature of the luminescent centre in fresh and aged porous silicon layers. In: International Symposium on Si Heterostructures - From Physics to Devices, IRAKLION, GREECE, SEP 11-14, 1995. Published in: Surface Science, 102 pp. 408-412. ISSN 0169-4332.
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Abstract
In this study we have used high resolution parallel electron energy loss spectroscopy (PEELS) and X-ray excited optical luminescence (XEOL) to investigate the chemical nature of the luminescence centre in fresh and aged porous silicon. Wt find that regardless of the non-stoichiometric oxides which were observed by PEELS in our fresh porous silicon layers Si-Si bonded material is involved in the luminescence process. However, in the case of aged porous silicon both Si-Si and Si-O bonded material are involved.
Item Type: | Conference Item (UNSPECIFIED) | ||||
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Subjects: | Q Science > QD Chemistry T Technology > TA Engineering (General). Civil engineering (General) Q Science > QC Physics |
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Journal or Publication Title: | Surface Science | ||||
Publisher: | ELSEVIER SCIENCE BV | ||||
ISSN: | 0169-4332 | ||||
Official Date: | August 1996 | ||||
Dates: |
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Volume: | 102 | ||||
Number of Pages: | 5 | ||||
Page Range: | pp. 408-412 | ||||
Publication Status: | Published | ||||
Title of Event: | International Symposium on Si Heterostructures - From Physics to Devices | ||||
Location of Event: | IRAKLION, GREECE | ||||
Date(s) of Event: | SEP 11-14, 1995 |
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