It is well-known that interfaces between various substances are widely used in modern electronics. Recently it has been found out that the interfaces of two dielectrics can possess unusual electronic properties. This work shows that high-conductivity interface can be obtained not only on the boundary of two crystals but also on the interface of amorphous insulator polymers with the carrier mobility extremely high for organic materials (0.4 cm2/Vs). Conductivity of the structure exceeds the bulk conductivity of the materials used by more than five orders of magnitude. Moreover, the polymer/polymer interface has a metallic conductivity.
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