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  • Possible pathway to discovery of superconductivity above 200K

    Based on crystal chemistry analysis and electron-density calculations, author is suggesting the concept of influence of protons on superconductivity and indicating the ideas for determination of superconducting materials with Tc≥200K. The directions for further research in the field of superconducting materials development are represented. According to submitted conception, the best results with respect of estimated Tc enhancement could be obtained for a sample with an optimal (smooth) interlayer electrostatic potential and high concentration of mobile protons. A superconducting impurity in some known layered phases would be a plausible explanation for anomalies in physical properties nearly 200K and above this limit.

    Keywords: Layered phases; high temperature superconductivity; crystal chemistry prognosis