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Digitale Medien

Structure and optical properties of CdSe quantum dots embedded in CaF2 vacuum-deposited films (1993)

Tanaka, N. ; Ishikawa, T. ; Sugita, M. ; [weitere]

Springer

The European physical journal 26 (1993), S. 225-227

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Details

ISSN: 1434-6079

Schlagwort(e): 68.55.Ce ; 75.60.Jp ; 61.16.Di ; 42.65-K

Quelle: Springer Online Journal Archives 1860-2000

Thema: Physik

Notizen: Abstract CdSe nano-crystallites as quantum dots are prepared in CaF2 films by a simultaneous vacuumdeposition technique. The crystallites have a ZnS-type structure and a parallel epitaxial orientation in the CaF2 films, the size being 2–5 nm. Annealed samples realize CdSe quantum dots of 5 nm in size, the lattice being shrunk by 3 % due to the embedding effect. The CdSe-CaF2 composite film is a new type of sample of semiconductor quantum dots embedded in insulators, different from previous ones embedded in glass. The non-linear optical properties are measured in relation to the atomic structures.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/BF01425672

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