Model of high-T c superconductivity in low-coordination semiconductors and polymers

We propose a model in which the state with anomalously high conductivity observed in some lowcoordinated semiconductors and polymers when the temperature of the surrounding medium is T 0≈300 K, is described by the theory of the superconducting properties of a system of localized electron pairs. The superconducting properties of the model are determined by transport along a bipolaron band formed by localized pairs of carriers belonging to U − centers, i.e., intrinsic defects with a negative effective correlation energy

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