Molecular orbital method in the theory of multiphonon nonradiative transitions of impurity rare-earth ions

Perlin Yu.; Aliphanov O.

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PERLIN, Yu., ALIPHANOV, O.. Molecular orbital method in the theory of multiphonon nonradiative transitions of impurity rare-earth ions. In: Journal of Luminescence, 1992, vol. 54, pp. 237-243. ISSN 0022-2313. DOI: https://doi.org/10.1016/0022-2313(92)90071-G

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Journal of Luminescence

Volumul 54 / 1992 / ISSN 0022-2313

Molecular orbital method in the theory of multiphonon nonradiative transitions of impurity rare-earth ions

DOI:https://doi.org/10.1016/0022-2313(92)90071-G

Pag. 237-243

Perlin Yu., Aliphanov O.

Moldova State University

Disponibil în IBN: 5 octombrie 2023

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The overlap of the 4f-states of a rare-earth ion with the ligand orbitals is taken into account in the calculations of nonradiative relaxation probabilities and is shown to lead to a considerable increase of such probabilities when many phonons participate in the transition (the corresponding energies are ∼3000 cm^-1).

Cuvinte-cheie
Crystal impurities, Electron energy levels, Electron transitions, Ions, phonons, probability, Relaxation processes

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