Abstract
In-plane and out-of-plane resistivity and Hall coefficient measurements were carried out on Bi 2.1-x Pb x Sr 2 CaCu 2 O y (x = 0 ∼ 0.6) single crystals with various oxygen concentration. The resistivity anisotropy \(\gamma ^2 ( = \rho _c /(\rho _a {\text{ }}\rho _b )^{1/2} )\) was decreased with an increase of oxygen concentration and Pb content. Hall coefficient, R H , measurement revealed that the Pb-doping increases carrier concentration in the present system, however, its essential effect on reducing anisotropy was confirmed by comparing R H and γ 2 of the Pb-free and Pb-doped crystals.
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Yamada, T., Motohashi, M., Kobayashi, H. et al. Resistivity Anisotropy and Hall Coefficient of Pb-Doped Bi2212 Single Crystals. Journal of Low Temperature Physics 117, 1217–1221 (1999). https://doi.org/10.1023/A:1022527818911
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DOI: https://doi.org/10.1023/A:1022527818911