Abstract
Thin Kapton-H films were irradiated with swift heavy ions in the MeV amu −1 range. The ion beam-induced insulator-conductor transition was studied in situ by dc and ac measurements. Electron spin resonance (ESR) measurements on outgassed samples were also performed. The spin dynamics is governed by exchange interactions, at low temperatures, and by motion of carriers, at high temperatures. Molecular oxygen is found to alter both the conductivity and the spin relaxation times.
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