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Journal Article

Jahn-Teller effect in the luminescence spectra of ZnS:V+ and ZnSe:V+

MPS-Authors
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Schulz,  Hans-Joachim
Fritz Haber Institute, Max Planck Society;

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Lehr,  M. U.
Fritz Haber Institute, Max Planck Society;

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PhysRevB.54.13424.pdf
(Publisher version), 101KB

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Citation

Vogel, E. E., de Orúe, M. A., Rivera-Iratchet, J., Schulz, H.-J., & Lehr, M. U. (1996). Jahn-Teller effect in the luminescence spectra of ZnS:V+ and ZnSe:V+. Physical Review B, 54(19), 13424-13427. doi:10.1103/PhysRevB.54.13424.


Cite as: https://hdl.handle.net/21.11116/0000-000A-16CF-5
Abstract
The infrared emission spectra of ZnS:V+ and ZnSe:V+ are reported examining temperature dependence. The unusually rich spectra are theoretically explained by assuming a vibronic coupling due to ε modes. A diagonalization of the Hamiltonian matrix is performed using wave functions constructed in the Born-Oppenheimer limit. The Jahn-Teller energy is the only adjustable parameter. When this parameter is about 80 cm−1 for ZnS:V+ and 65 cm−1 for ZnSe:V+ good agreement between theory and experiment is found and the main features of the spectra for both systems are explained. The frequencies of the coupling modes are taken close to the TA(L) modes.