volume 106, issue 1, P183-192 1981
DOI: 10.1002/pssb.2221060121
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Abstract: The photoelectron yield of Kr-Au sandwiches caused by energy transfer of Kr excitons to the Au substrate is measured. The range for energy transfer of Kr excitons is determined from the dependence of the yield on the thickness of the Kr overlayer for several excitation energies within the n = 1, n' = 1, and n = 2 exciton bands. The derived diffusion lengths of free excitonsdepend strongly on the individual exciton state and increase monotonical!y with the exciton energy within one exciton band as well as to h…

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