Multiphonon-assisted anti-Stokes and Stokes fluorescence of triply ionized rare-earth ions. Auzel, F. Physical Review B, 13(7):2809--2817, April, 1976. Paper doi abstract bibtex Experimental demonstration of multiphonon-assisted anti-Stokes and Stokes excitation of rare-earth ions (R3+) in different hosts, that is, in a weak-coupling ion-lattice interaction case, is obtained. An exponential behavior of excitation probabilities with respect to energy difference between excitation and electronic line is found, just as for multiphonon-assisted nonradiative decay and energy transfer. Exponential parameters αAS and αS for anti-Stokes and Stokes excitation are measured and linked to the Miyakawa-Dexter α parameter for decay, leading to estimates for Pekar-Huang-Rhys coupling parameter S0 of about 0.04, in agreement with values obtained from one-phonon spectra or nonradiative-decay measurements. A semiempirical formula is deduced to obtain α from only one parameter, an effective phonon energy.
@article{auzel_multiphonon-assisted_1976,
title = {Multiphonon-assisted anti-{Stokes} and {Stokes} fluorescence of triply ionized rare-earth ions},
volume = {13},
url = {http://link.aps.org/doi/10.1103/PhysRevB.13.2809},
doi = {10.1103/PhysRevB.13.2809},
abstract = {Experimental demonstration of multiphonon-assisted anti-Stokes and Stokes excitation of rare-earth ions (R3+) in different hosts, that is, in a weak-coupling ion-lattice interaction case, is obtained. An exponential behavior of excitation probabilities with respect to energy difference between excitation and electronic line is found, just as for multiphonon-assisted nonradiative decay and energy transfer. Exponential parameters αAS and αS for anti-Stokes and Stokes excitation are measured and linked to the Miyakawa-Dexter α parameter for decay, leading to estimates for Pekar-Huang-Rhys coupling parameter S0 of about 0.04, in agreement with values obtained from one-phonon spectra or nonradiative-decay measurements. A semiempirical formula is deduced to obtain α from only one parameter, an effective phonon energy.},
number = {7},
urldate = {2012-03-10TZ},
journal = {Physical Review B},
author = {Auzel, F.},
month = apr,
year = {1976},
pages = {2809--2817}
}
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