Evidence of the temperature-dependent interlayer coupling from the anisotropic transport properties in Co-substituted single-crystal Bi2Sr2Ca(Cu1-xCox)2O 8+δ

T. Watanabe, Azusa Matsuda

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31 Citations (Scopus)

Abstract

We report on the effect of Co impurity substitution on the anisotropic transport properties of Bi2Sr2Ca(Cu1-xCox)2O 8+δ single crystals. With Co doping, there is an increase in anisotropy γ estimated from the scaling of the angular dependence of the in-plane resistivity with reduced field as well as in the out-of-plane resistivity. These results can be quantitatively explained by the two-dimensional Lawrence-Doniach model, if we assume that the anisotropy in the superconducting state is determined by the interlayer coupling just above Tc. The analysis highlights the specific feature in high-Tc cuprates that the effective interlayer coupling depends on temperature.

Original languageEnglish
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume54
Issue number10
Publication statusPublished - 1996 Sep 1
Externally publishedYes

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Transport properties
interlayers
Anisotropy
transport properties
Single crystals
anisotropy
electrical resistivity
single crystals
cuprates
Substitution reactions
Doping (additives)
Impurities
substitutes
scaling
impurities
Temperature
temperature

ASJC Scopus subject areas

  • Condensed Matter Physics

Cite this

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abstract = "We report on the effect of Co impurity substitution on the anisotropic transport properties of Bi2Sr2Ca(Cu1-xCox)2O 8+δ single crystals. With Co doping, there is an increase in anisotropy γ estimated from the scaling of the angular dependence of the in-plane resistivity with reduced field as well as in the out-of-plane resistivity. These results can be quantitatively explained by the two-dimensional Lawrence-Doniach model, if we assume that the anisotropy in the superconducting state is determined by the interlayer coupling just above Tc. The analysis highlights the specific feature in high-Tc cuprates that the effective interlayer coupling depends on temperature.",
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T1 - Evidence of the temperature-dependent interlayer coupling from the anisotropic transport properties in Co-substituted single-crystal Bi2Sr2Ca(Cu1-xCox)2O 8+δ

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AU - Matsuda, Azusa

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N2 - We report on the effect of Co impurity substitution on the anisotropic transport properties of Bi2Sr2Ca(Cu1-xCox)2O 8+δ single crystals. With Co doping, there is an increase in anisotropy γ estimated from the scaling of the angular dependence of the in-plane resistivity with reduced field as well as in the out-of-plane resistivity. These results can be quantitatively explained by the two-dimensional Lawrence-Doniach model, if we assume that the anisotropy in the superconducting state is determined by the interlayer coupling just above Tc. The analysis highlights the specific feature in high-Tc cuprates that the effective interlayer coupling depends on temperature.

AB - We report on the effect of Co impurity substitution on the anisotropic transport properties of Bi2Sr2Ca(Cu1-xCox)2O 8+δ single crystals. With Co doping, there is an increase in anisotropy γ estimated from the scaling of the angular dependence of the in-plane resistivity with reduced field as well as in the out-of-plane resistivity. These results can be quantitatively explained by the two-dimensional Lawrence-Doniach model, if we assume that the anisotropy in the superconducting state is determined by the interlayer coupling just above Tc. The analysis highlights the specific feature in high-Tc cuprates that the effective interlayer coupling depends on temperature.

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