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HEAT PULSE MODULATION OF MOLECULAR CRYSTAL LUMINESCENCE AT LIQUID HELIUM TEMPERATURES

Please use this identifier to cite or link to this item: http://hdl.handle.net/1811/16420

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dc.creator Hunter, S. J. en_US
dc.creator Parker, H. en_US
dc.creator Francis, A. H. en_US
dc.date.accessioned 2006-06-15T17:14:34Z
dc.date.available 2006-06-15T17:14:34Z
dc.date.issued 1974 en_US
dc.identifier 1974-Sigma-9 en_US
dc.identifier.uri http://hdl.handle.net/1811/16420
dc.description Author Institution: Department of Chemistry, University of Illinois at Chicago Circle en_US
dc.description.abstract The modulation of low temperature ($2^{\circ} K$) molecular crystal fluorescence and phosphorescence by sub-microsecond duration heat pulses is discussed in connection with the study of rates of triplet energy transfer and trap thermalization. A discussion of the dynamics of heat pulse propagation in molecular solids is presented and estimates of the thermal relaxation time of the lattice obtained. It is suggested that these times are sufficiently short to permit investigation of the dynamics of exciton energy transport in molecular crystals by means of low temperature T-jump experiments. The details of the technique are discussed and results from several experiments presented. Additionally, heat pulse modulation of the electron paramagnetic spin distribution of radiative triplet states is discussed and some preliminary results presented. en_US
dc.format.extent 167075 bytes
dc.format.mimetype image/jpeg
dc.language.iso English en_US
dc.title HEAT PULSE MODULATION OF MOLECULAR CRYSTAL LUMINESCENCE AT LIQUID HELIUM TEMPERATURES en_US
dc.type article en_US