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The temperature dependence of the electrical conductivity of poly(6-t-butyl-3,4-dihydro-2H-1,3-benzoxazine)/poly(methylmethacrylate) blend was investigated in the sandwich cell configuration. The activation energy for electrical transport was found to undergo a transition with increasing electric field. The I-V characteristics were nonlinear and obeyed the power law I prop Vm with m ap 2 at high fields...
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