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Isotope effects on the optical spectra of semiconductors

✍ Scribed by Cardona, Manuel; Thewalt, M.

Book ID
111677419
Publisher
The American Physical Society
Year
2005
Tongue
English
Weight
684 KB
Volume
77
Category
Article
ISSN
0034-6861

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πŸ“œ SIMILAR VOLUMES

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We report on changes of the LO and TO Raman phonons of CuCl with isotopic substitution of copper (63Cu, 65Cu). While the LO phonon peak shifts according to changes of the reduced ion mass, isotope effects on the frequencies of peaks belonging to the anomalous TO phonon structure are much larger, ac

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## Abstract It is shown, that the excitonic wave functions exhibit a discontinuity at the transition between free and bound states. In the real case where carriers spend a finite time on excited levels, it is possible to neglect the Coulomb interaction when the two particles have a kinetic energy g