Abstract
We discuss the dominant features of electron transport properties of some HTSC oxides that were reported in recent experimental studies. We argue that there seem to exist some ‘reference compositions’, like Y1Ba2Cu3O6+x with x=0.93±0.04, or YBCO ‘124’ phase. These materials exhibit T MAXc as a function of the oxygen content and the former has metallic normal state resistivity in all crystallographic directions with Pc<PMott~10mΩcm. One can interprete transport properties of these ‘metallic reference materials’ within conventional band picture and, as a first approximation, account for transport properties of other, more complex HTSC oxides (usually with Tc<T MAXc Pc>PMott), by taking into account the strong anisotropy, disorder and correlation effects.
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© 1991 Springer Science+Business Media New York
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Affronte, M., Pavuna, D. (1991). On Transport Properties of HTSC Oxides. In: Ashkenazi, J., Barnes, S.E., Zuo, F., Vezzoli, G.C., Klein, B.M. (eds) High-Temperature Superconductivity. Springer, Boston, MA. https://doi.org/10.1007/978-1-4615-3338-2_27
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DOI: https://doi.org/10.1007/978-1-4615-3338-2_27
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