Charge Transport Properties of Lightly-Doped Cuprates: Behavior of the Hall Coefficient
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Behavior of ρ_{ab}(T) and R_{H}(T) is presented for LSCO and YBCO single crystals in the lightly hole-doped antiferromagnetic region, with an emphasis on the R_{H}(T) data. In both systems, R_{H} is virtually constant at moderate temperatures and tends to increase at low temperatures. Since essentially the same behavior of ρ_{ab}(T) and R_{H}(T) is observed in both LSCO and YBCO, we discuss that the in-plane charge transport properties are universal among the cuprates in the lightly-doped regime and that the R_{H}(T) data we obtained represent the genuine behavior of the Hall effect in this regime.
9 pages, 3 figures; invited paper to be published in the proceedings of the MOS2002 conference (Special volume of the Journal of Low Temperature Physics)
9 pages, 3 figures; invited paper to be published in the proceedings of the MOS2002 conference (Special volume of the Journal of Low Temperature Physics)