We measured the mobility and lifetime of excess electrons in high-purity liquid Ar-Xe mixtures as a function of the electric field for several Xe concentrations x in Ar at T= 83.7 K by using a pulsed photoemission technique. We found an unexpected dependence of mobility and lifetime on the concentration of Xe. We discuss cluster formation as a possible mechanism explaining our data.
Excess Electron-mobility In Liquid Xe-ar Mixtures
BORGHESANI, ARMANDO-FRANCESCO;ONOFRIO, ROBERTO;CARUGNO, GIOVANNI
1993
Abstract
We measured the mobility and lifetime of excess electrons in high-purity liquid Ar-Xe mixtures as a function of the electric field for several Xe concentrations x in Ar at T= 83.7 K by using a pulsed photoemission technique. We found an unexpected dependence of mobility and lifetime on the concentration of Xe. We discuss cluster formation as a possible mechanism explaining our data.
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