Radiationless transitions in trivalent lanthanide ions embedded in solids
Deb Shankar Ray Mihir Chowdhury
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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.
Deb Shankar Ray1 Mihir Chowdhury1
Volume 135, 2023
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