Extrinsic Thermally Stimulated Currents in FEP Films with Ion-Plated Aluminum Electrodes : Chemistry (incl. physical process)

概要

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Thermally stimulated currents and "scanning temperature conduction currents" are studied in FEP thin films with ion plated aluminum electrodes (Al^*). In these films, a rapid increase in the positive charge flow I_p from the interfacial region between Al^* and FEP into the bulk of FEP is observed at elevated temperatures. This rapid increase in I_p begins at lower temperatures as the accelerating voltage V_a for the ion plating increases. In negatively corona-charged FEP films with Al^*, three TSC peaks appear depending on V_a. The highest-temperature peak of the three is the extrinsic one originating from neutralization of the trapped charges by I_p. The annealed samples show only the extrinsic TSC because of the low thermal stability of the trap sites which are responsible for the intrinsic TSC_s.
社団法人応用物理学会の論文
1988-07-20