Abstract
Based on the ionic crystal model, we approximate the energy of Cu-O based layered compounds by the sum of the Madelung energy and the energies of the isolated ions. Carrier distribution is determined so as to make this energy a minimum. We have considered compounds like Bi2Sr2(Ca,Y)n−1 CunO2n+4 and found several different types of carrier distribution:
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A:
holes in the oxygens in the Cu-O planes with Cu surrounded by six or five oxygens
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B:
holes in the apical oxygens
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C:
electrons in the Cu-O planes with Cu in square-planar coordination
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D:
electrons in the Cu-O planes as well as in the Bi-O or Tl-O planes
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E:
holes in the Cu-O planes and electrons in the Bi-O or Tl-O planes
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F:
electrons in the Bi-O or T1-O planes.
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References
J. Kondo: Submitted to J. Phys. Soc. Jpn.
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© 1989 Springer-Verlag Berlin, Heidelberg
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Kondo, J. (1989). The Madelung Energy of Cu-O Based Compounds. In: Fukuyama, H., Maekawa, S., Malozemoff, A.P. (eds) Strong Correlation and Superconductivity. Springer Series in Solid-State Sciences, vol 89. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-83836-1_6
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DOI: https://doi.org/10.1007/978-3-642-83836-1_6
Publisher Name: Springer, Berlin, Heidelberg
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