Normal state transport properties of YBa2Cu3O7 and YBa2Cu3O8 superconductors; predictions and comparison with experiments

S. Massidda; Jaejun Yu; Key Taeck Park; A. J. Freeman

doi:10.1016/0921-4534(91)90709-8

Normal state transport properties of YBa₂Cu₃O₇ and YBa₂Cu₃O₈ superconductors; predictions and comparison with experiments

S. Massidda^*, Jaejun Yu, Key Taeck Park, A. J. Freeman

^*Corresponding author for this work

Physics and Astronomy

Research output: Contribution to journal › Article › peer-review

46 Scopus citations

Abstract

Transport properties of YBa₂Cu₃O₇ and YBa₂Cu₄O₈ are calculated by solving the Boltzmann equation using the electronic energy band structure obtained with the full potential linearized augmented plane wave (FLAPW) method within the local density approximation. The Hall coefficient R_y of YBa₂Cu₄O₈ for magnetic field parallel to the c-axis is found to be in good agreement with existing high-temperature experimental values. Qualitative agreement with experiment is also found for the in-plane anisotropies in both compounds, pointing to the role of the CuO chains in the normal state transport properties of these compounds. Finally, with the use of new untwinned single crystal data for YBa₂Cu₃O₇, we find good agreement between the experimental and calculated resistivity versus temperature slope, with an estimated value of λ_tr ≈1.

Original language	English (US)
Pages (from-to)	159-169
Number of pages	11
Journal	Physica C: Superconductivity and its applications
Volume	176
Issue number	1-3
DOIs	https://doi.org/10.1016/0921-4534(91)90709-8
State	Published - May 15 1991

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Energy Engineering and Power Technology
Electrical and Electronic Engineering

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title = "Normal state transport properties of YBa2Cu3O7 and YBa2Cu3O8 superconductors; predictions and comparison with experiments",

abstract = "Transport properties of YBa2Cu3O7 and YBa2Cu4O8 are calculated by solving the Boltzmann equation using the electronic energy band structure obtained with the full potential linearized augmented plane wave (FLAPW) method within the local density approximation. The Hall coefficient Ry of YBa2Cu4O8 for magnetic field parallel to the c-axis is found to be in good agreement with existing high-temperature experimental values. Qualitative agreement with experiment is also found for the in-plane anisotropies in both compounds, pointing to the role of the CuO chains in the normal state transport properties of these compounds. Finally, with the use of new untwinned single crystal data for YBa2Cu3O7, we find good agreement between the experimental and calculated resistivity versus temperature slope, with an estimated value of λtr ≈1.",

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AU - Freeman, A. J.

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AB - Transport properties of YBa2Cu3O7 and YBa2Cu4O8 are calculated by solving the Boltzmann equation using the electronic energy band structure obtained with the full potential linearized augmented plane wave (FLAPW) method within the local density approximation. The Hall coefficient Ry of YBa2Cu4O8 for magnetic field parallel to the c-axis is found to be in good agreement with existing high-temperature experimental values. Qualitative agreement with experiment is also found for the in-plane anisotropies in both compounds, pointing to the role of the CuO chains in the normal state transport properties of these compounds. Finally, with the use of new untwinned single crystal data for YBa2Cu3O7, we find good agreement between the experimental and calculated resistivity versus temperature slope, with an estimated value of λtr ≈1.

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