Pseudo-Jahn-Teller Vibronic Model of a Cubic 3d3 Impurity in Crystals. Luminescence of CdIn2S4:Cr3+
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KULYUK, Leonid, POPOV, Serghei, TSUKERBLAT, Boris S., OSTROVSKY, Sergei M., PALII, Andrew. Pseudo-Jahn-Teller Vibronic Model of a Cubic 3d3 Impurity in Crystals. Luminescence of CdIn2S4:Cr3+. In: Zeitschrift fur Physikalische Chemie, 1997, vol. 201, pp. 45-54. ISSN 0942-9352. DOI: https://doi.org/10.1524/zpch.1997.201.Part_1_2.045
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Zeitschrift fur Physikalische Chemie
Volumul 201 / 1997 / ISSN 0942-9352 /ISSNe 2196-7156

Pseudo-Jahn-Teller Vibronic Model of a Cubic 3d3 Impurity in Crystals. Luminescence of CdIn2S4:Cr3+

DOI:https://doi.org/10.1524/zpch.1997.201.Part_1_2.045

Pag. 45-54

Kulyuk Leonid1, Popov Serghei1, Tsukerblat Boris S.2, Ostrovsky Sergei M.2, Palii Andrew2
 
1 Institute of Applied Physics, Academy of Sciences of Moldova,
2 Institute of Chemistry of the Academy of Sciences of Moldova
 
 
Disponibil în IBN: 5 aprilie 2024


Rezumat

A new model for the vibronic problem of luminescence of 3d3 impurity ions in the cubic environment is proposed. The approach developed is based on the numerical quantum-mechanical solution of the dynamic pseudo Jahn-Teller vibronic problem for the excited states. Spin-orbit splitting of 4t2 term and its mixing with 2E as well as the vibronic interaction with the full-symmetric local mode is taken into account resulting in the, vibronic problem and adiabatic problems. The band shape of the luminescence and the temperature dependence of the life-time decay emission are evaluated for Cr3+ ions in CdIn2S4:Cr single crystals. The proposed model provides a very good explanation of the experimental data. 

Cuvinte-cheie
Band shapes, Impurity ions, Jahn-Teller, Local modes, Quantum mechanical, Spin-orbit splittings, Temperature dependence, Vibronic interactions