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Angular dependences of the thermodynamic and electromagnetic properties of the high-Tc superconductors in the mixed state

Zhidong Hao, John R. Clem

DOI 10.1103/PhysRevB.46.5853 · Physical Review B

T1

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Abstract

The dependence upon the applied field H of the Gibbs free energy difference ΔG between the mixed and normal states of a high-κ anisotropic type-II superconductor is examined; ΔG is found to be a function only of the reduced field h=H/Hc2(θ,φ) for H≫Hc1. Other thermodynamic quantities such as the magnetization and specific heat show similar behaviors. The same scaling property can also be observed for the magnetoresistivity, critical current density, and flux-line-lattice melting temperature of the high-Tc superconductors.

Source-reported materials — not catalogue approval

FormulaReported Tc (K)Pressure (GPa)Type
YBa2Cu3O7

Archive — visibility unverified

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—Pressure not reportedunknown
(La,Sr)2CuO4

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Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula.

—Pressure not reportedunknown
Bi2Sr2CaCu2O8

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Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula.

85Pressure not reportedunknown
YBa2Cu3O7-δ

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Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula.

—Pressure not reportedunknown

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