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Effects of quantum confinement and compositional grading on the band structure of heterojunctions

✍ Scribed by H.J.A. Bluyssen; L.J. Van Ruyven; F. Williams

Publisher
Elsevier Science
Year
1979
Tongue
English
Weight
653 KB
Volume
22
Category
Article
ISSN
0038-1101

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Quantum confinement effects on the optic
Quantum confinement effects on the optical phonons of CdTe quantum dots
✍ A.M. de Paula; L.C. Barbosa; C.H.B. Cruz; O.L. Alves; J.A. Sanjurjo; C.L. Cesar πŸ“‚ Article πŸ“… 1998 πŸ› Elsevier Science 🌐 English βš– 79 KB

We present Raman-scattering results for CdTe nanocrystals in doped glasses which clearly show the confinement effects on the phonon spectra as a function of the quantum-dot size. We observed optical phonon modes, surface phonons and some of their overtone combinations. We show that the surface-phono