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Confinement‐, surface‐ and disorder‐related effects in the resonant Raman spectra of nanometric CdS 1− x Se x crystals
Author(s) -
Gomonnai A. V.,
Azhniuk Yu. M.,
Yukhymchuk V. O.,
Kranjčec M.,
Lopushansky V. V.
Publication year - 2003
Publication title -
physica status solidi (b)
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.51
H-Index - 109
eISSN - 1521-3951
pISSN - 0370-1972
DOI - 10.1002/pssb.200301838
Subject(s) - raman spectroscopy , phonon , borosilicate glass , nanocrystal , materials science , spectral line , raman scattering , wave vector , condensed matter physics , surface phonon , molecular physics , optics , nanotechnology , chemistry , physics , composite material , astronomy
The Raman spectra of CdS 1− x Se x nanocrystals, embedded in a borosilicate glass matrix, are studied, CdS‐like and CdSe‐like LO phonon frequencies being used to determine the nanocrystal composition. The Raman lineshape is analyzed taking account of confinement‐related phonons with nonzero wavevector, surface phonon modes, glass matrix pressure and disorder effects.