Electronic Resource
College Park, Md.
:
American Institute of Physics (AIP)
The Journal of Chemical Physics
87 (1987), S. 2498-2504
ISSN:
1089-7690
Source:
AIP Digital Archive
Topics:
Physics
,
Chemistry and Pharmacology
Notes:
A new experimental method for the direct observation of electronic excitation–phonon coupling is presented. The CARS signal from the 69 cm−1 optical phonon mode of naphthalene crystals is resonantly enhanced by coupling to the electronic states of dilute pentacene impurities. The resonantly enhanced signal decays over three times faster than the nonresonant decay in the same crystal. This is explained in terms of impurity perturbed domains.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1063/1.453089
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