Abstract
The current – voltage characteristics (CVC) of the emission of charged particles (negative and positive ions) were measured upon rupture of film samples of polymers in high vacuum (mechano-emission). The objects of study were polyethylene terephthalate, polyimide and polyphenylene oxide films. It was found that characteristics of ions of different signs differ significantly. Positive ions begin to be detected at a pulling potential of about 200 V. The emission of negative ions is already observed at a pulling potential of <<200 V. In addition, emission current resonances are observed on the CVCof negative ions in the range 0-50 V, the position of which is determined by the nature of the polymer. The detected resonant character of the CVC of negative ions corresponds to the proposed physical mechanism of ion formation.
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