Luminescence of Nanocrystalline Si in (Si + CaF2)/CaF2 Structures in the Visible Range of the Spectrum

Photoluminescence from Si nanocrystals embedded in a CaF 2 dielectric matrix and formed on the surface of a Si(111) substrate is demonstrated. The photoluminescence was clearly seen in a dark room at room temperature. The typical photoluminescence spectrum has a 664 nm peak wavelength and a 134 nm f...

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Bibliographic Details
Published inRussian physics journal Vol. 64; no. 2; pp. 198 - 202
Main Authors Velichko, A. A., Ilyushin, V. A., Krupin, A. Yu, Filimonova, N. I.
Format Journal Article
LanguageEnglish
Published New York Springer US 2021
Springer Nature B.V
Subjects
Calcium fluoride
Condensed Matter Physics
Hadrons
Heavy Ions
Lasers
Mathematical and Computational Physics
Nanocrystals
Nuclear Physics
Optical Devices
Optics
Photoluminescence
Photonics
Physics
Physics and Astronomy
Room temperature
Silicon substrates
Theoretical
molecular beam epitaxy
photoluminescence
calcium fluoride
nanocrystalline silicon
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Summary:Photoluminescence from Si nanocrystals embedded in a CaF 2 dielectric matrix and formed on the surface of a Si(111) substrate is demonstrated. The photoluminescence was clearly seen in a dark room at room temperature. The typical photoluminescence spectrum has a 664 nm peak wavelength and a 134 nm full width at half maximum (FWHM). The photoluminescence was not observed at a lower temperature (77 K).
ISSN:1064-8887
1573-9228
DOI:10.1007/s11182-021-02316-3