Radiationless transitions in trivalent lanthanide ions embedded in solids |
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Authors: | Deb Shankar Ray and Mihir Chowdhury |
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Institution: | (1) Department of Physical Chemistry, Indian Association for the Cultivation of Science, 700 032 Jadavpur, Calcutta, India |
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Abstract: | Radiationless transitions in lanthanide ions embedded in glassy and crystalline hosts have been briefly reviewed. The correlations
of multiphonon relaxation rates with energy gaps, vibrational frequencies, temperatures and electronic symmetries have been
discussed. The essence of various theories, such as Nth order methods, non-adiabatic Hamiltonian method, dynamic coupling
model has also been presented. |
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Keywords: | Radiationless transitions lanthanide spectroscopy |
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