Electronic structure of the BaA1-xBxO3 (A, B = Pb, Bi, Sn, Sb) alloy systems. Implications for superconductivity

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Abstract

Coherent potential approximation studies of the electronic structure of the BaA1-xBxO3(where A and B are different combinations of the elements Pb, Bi, Sn and Sb) alloy systems have been performed with accurate tight-binding hamiltonians. The calculations show how semiconducting BaSnO3evolves into a metal upon alloying with Sb or Bi. Common characteristics of the densities of states are pointed out. Using the rigid muffin-tin approximation an analysis of the superconducting properties is given. © 1994.

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Julien, J. P., Papaconstantopoulos, D. A., Singh, D. J., Pickett, W. E., & Cyrot-Lackmann, F. (1994). Electronic structure of the BaA1-xBxO3 (A, B = Pb, Bi, Sn, Sb) alloy systems. Implications for superconductivity. Physica C: Superconductivity and Its Applications, 220(3–4), 359–366. https://doi.org/10.1016/0921-4534(94)90924-5

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