Electronic Resource
[S.l.]
:
American Institute of Physics (AIP)
Journal of Applied Physics
73 (1993), S. 4689-4690
ISSN:
1089-7550
Source:
AIP Digital Archive
Topics:
Physics
Notes:
The discrete phonon spectra of TiO2 quantum dot with a dipole layer is reported. The absorption intensities of different LO phonons are related to the phonon-electron coupling in accord with the prediction of the continuum polarization model. The two-phonon bound state appeared due to the localization effect. The optical absorption of the self-trapped state [reported in Appl. Phys. Lett. 59, 1826 (1991)] may be related to the strong electron-phonon interaction in this system, i.e., a bipolaronic state might form with the presence of surface donor.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1063/1.352766
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