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Low-temperature Hall effect in Bi2Sr2CuO6-δ

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Mackenzie, A. P., Hughes, S., Cooper, J., Carrington, A., Chen, C., & Wanklyn, B. (1992). Low-temperature Hall effect in Bi2Sr2CuO6-δ. Physical Review B, 45(1), 527-530. doi:10.1103/PhysRevB.45.527.


Cite as: http://hdl.handle.net/11858/00-001M-0000-0018-E7DE-D
Abstract
The single-layer oxide superconductor Bi2Sr2CuO6-delta offers an opportunity to study the normal-state properties of the cuprate superconductors down to low temperatures, but crystals of this material display a wide range of stoichiometry and properties. We report measurements of the resistivity and Hall coefficient R(H) on crystals whose cation and oxygen stoichiometries have been determined to an accuracy of 1 to 2%. In superconducting samples there is a pronounced maximum in R(H) at 70 K, which we argue to be a characteristic feature of cuprate superconductors in the normal state.