Optical transitions from SiO/sub 2//crystalline Si/SiO/sub 2/ quantum wells
Crystalline silicon single quantum wells were fabricated by high temperature thermal oxidation of ELTRAN silicon-on-insulator (SOI) wafers. The Si layer thickness enclosed by thermal SiO/sub 2/ ranges from 1.1 to 4.3 nm, measured by high resolution transmission electron microscopy (HRTEM). Si thickn...
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Format: | Tagungsbericht |
Sprache: | eng |
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Zusammenfassung: | Crystalline silicon single quantum wells were fabricated by high temperature thermal oxidation of ELTRAN silicon-on-insulator (SOI) wafers. The Si layer thickness enclosed by thermal SiO/sub 2/ ranges from 1.1 to 4.3 nm, measured by high resolution transmission electron microscopy (HRTEM). Si thickness dependent luminescence in SiO/sub 2//Si/SiO/sub 2/ quantum wells was observed for the samples with 1.1 nm to 2.7 nm thick Si. Luminescent peak energy varies from 730 nm to 920 nm without interface-mediated luminescence. |
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ISSN: | 1097-2137 2377-5505 |
DOI: | 10.1109/COMMAD.2002.1237244 |