Band spectrum transformation and temperature dependences of thermoelectric power of Hg$_{1-x}$R$_x$Ba$_2$Ca$_2$Cu$_3$O$_{8+δ}$ system

Details Band spectrum transformation and temperature dependences of thermoelectric power of Hg$_{1-x}$R$_x$Ba$_2$Ca$_2$Cu$_3$O$_{8+δ}$ system Band spectrum transformation and temperature dependences of thermoelectric power of Hg$_{1-x}$R$_x$Ba$_2$Ca$_2$Cu$_3$O$_{8+δ}$ system

2011-06-30

arxiv.org/abs/1106.6163v1

Condens. Matter Phys., 2011, vol. 14, No. 1, 13702:1-6

Physics

Condensed Matter

Superconductivity

6 pages, 4 figures

Scientific paper

10.5488/CMP.14.13702

Temperature dependences of thermoelectric power S(T) at $T>T_c$ of the Hg-based high temperature superconductors Hg$_{1-x}$R$_x$Ba$_2$Ca$_2$Cu$_3$O$_{8+\delta}$ (R=Re, Pb) have been analyzed with accounting for strong scattering of charge carriers. Transformation of parameters of a narrow conducting band in the region of the Fermi level was studied. The existence of correlation between the effective bandwidth and the temperature of a superconductive transition $T_c$ is shown.

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