Hall-effect measurements of HgBa2CaCu2O6+δ

J. M. Harris; H. Wu; N. P. Ong; R. L. Meng; C. W. Chu

doi:10.1103/PhysRevB.50.3246

Hall-effect measurements of HgBa2CaCu2O6+δ

J. M. Harris, H. Wu, N. P. Ong, R. L. Meng, C. W. Chu

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摘要

The resistivity ρ and Hall coefficient RH have been measured for samples of the two-plane superconductor HgBa2CaCu2O6+δ (Tc∼124 K) with different annealing histories. The observed temperature dependence RH∼1/T (up to 470 K) matches the steep dependence previously seen in 90-K YBa2Cu3O7-δ and indicates low-impurity scattering. We find T-linear behavior for ρ in the lowest-resistivity samples and confirm that cotθH∼T2. These findings add support to Anderson's proposal of distinct longitudinal and transverse scattering times.

原文	English
頁（從 - 到）	3246-3249
頁數	4
期刊	Physical Review B
卷	50
發行號	5
DOIs	https://doi.org/10.1103/PhysRevB.50.3246
出版狀態	Published - 1994

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凝聚態物理學

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10.1103/PhysRevB.50.3246

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abstract = "The resistivity ρ and Hall coefficient RH have been measured for samples of the two-plane superconductor HgBa2CaCu2O6+δ (Tc∼124 K) with different annealing histories. The observed temperature dependence RH∼1/T (up to 470 K) matches the steep dependence previously seen in 90-K YBa2Cu3O7-δ and indicates low-impurity scattering. We find T-linear behavior for ρ in the lowest-resistivity samples and confirm that cotθH∼T2. These findings add support to Anderson's proposal of distinct longitudinal and transverse scattering times.",

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AU - Harris, J. M.

AU - Wu, H.

AU - Ong, N. P.

AU - Meng, R. L.

AU - Chu, C. W.

PY - 1994

Y1 - 1994

N2 - The resistivity ρ and Hall coefficient RH have been measured for samples of the two-plane superconductor HgBa2CaCu2O6+δ (Tc∼124 K) with different annealing histories. The observed temperature dependence RH∼1/T (up to 470 K) matches the steep dependence previously seen in 90-K YBa2Cu3O7-δ and indicates low-impurity scattering. We find T-linear behavior for ρ in the lowest-resistivity samples and confirm that cotθH∼T2. These findings add support to Anderson's proposal of distinct longitudinal and transverse scattering times.

AB - The resistivity ρ and Hall coefficient RH have been measured for samples of the two-plane superconductor HgBa2CaCu2O6+δ (Tc∼124 K) with different annealing histories. The observed temperature dependence RH∼1/T (up to 470 K) matches the steep dependence previously seen in 90-K YBa2Cu3O7-δ and indicates low-impurity scattering. We find T-linear behavior for ρ in the lowest-resistivity samples and confirm that cotθH∼T2. These findings add support to Anderson's proposal of distinct longitudinal and transverse scattering times.

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JO - Physical Review B

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Hall-effect measurements of HgBa2CaCu2O6+δ

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