Electron traps in irradiated crystalline ice

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Abstract
Using the pulse radiolysis method, the effects of repeated pulses on the slowly‐decaying components of e t − in an ice crystal after a pulse, have been studied around 100°K and the effect of warming the sample after an intense irradiation. The trap of the stabilized electron is produced by the electron irradiation. The radiation‐produced traps disappear on warming to 150°K. An ESR signal of e t − in irradiated‐crystallineice is detected. Possible kinds of the trap are discussed. The experimental results are explained by assuming the trap is a radiation‐produced vacancy of a water molecule at the lattice.