Abstract
Low‐energy photoelectrons are excited through thin paraffin hydrocarbon films at 77°K. The photocurrent is measured as a function of film thickness which is increased in steps of 20–80Aå. The attenuation length or range for electrons of approximately 1 eV initial energy is 65Aå for 3‐methylpentane, 59Aå for hexane, and 55Aå for nonane. The mean free paths determined from Baraff Theory are of the order of 12Aå.
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