Unusual combination repetitions of the zero phonon line of Ni acceptor excitons in ZnSe : Ni and ZnO : Ni due to photoinduced lattice vibrations

Multiphonon vibration repetitions of the zero phonon line of a Ni impurity [d 9h] acceptor exciton for ZnSe : Ni are analyzed. The first observed unusual structure of combination repetitions is explained by a significant anharmonism of a dominant mode which is formed by a moving of ions in the photo...

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Bibliographic Details
Published in:Journal of crystal growth 2000-06, Vol.214, p.304-307
Main Authors: Sokolov, V.I, Shirokov, E.A, Kislov, A.N, Mazurenko, V.G
Format: Article
Language:English
Subjects:
3d Impurity excitons
Electroabsorption technique
II–VI semiconductors
Photoinduced lattice vibrations
Projected density of lattice vibrations
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Summary:Multiphonon vibration repetitions of the zero phonon line of a Ni impurity [d 9h] acceptor exciton for ZnSe : Ni are analyzed. The first observed unusual structure of combination repetitions is explained by a significant anharmonism of a dominant mode which is formed by a moving of ions in the photoinduced lattice distortion area.
ISSN:0022-0248
1873-5002
DOI:10.1016/S0022-0248(00)00097-X