Anisotropic transport properties of impurity (Co) doped and oxygen controlled single-crystal Bi2Sr2CaCu2O8+δ: Evidence of temperature-dependent interlayer coupling and a pseudogap

Takao Watanabe; Takenori Fujii; Azusa Matsuda

doi:10.1016/S0921-4534(97)00732-6

Anisotropic transport properties of impurity (Co) doped and oxygen controlled single-crystal Bi₂Sr₂CaCu₂O_8+δ: Evidence of temperature-dependent interlayer coupling and a pseudogap

Takao Watanabe, Takenori Fujii, Azusa Matsuda

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

Abstract

We investigate the effects of impurity (Co) substitution and carrier doping on the anisotropic transport properties of Bi₂Sr₂CaCu₂O_8+δ single crystals, focusing on the interlayer charge dynamics. Our analysis shows that the out-of-plane transport in the Bi₂Sr₂CaCu₂O_8+δ system is well described by the tunneling (Lawrence-Doniach) model. By carefully reducing the oxygen content, deviation from T-linear in-plane resistivity, which is similar the behavior in Ba₂YCu₃O_7-δ , can be observed. On the other hand, the out-of-plane resistivity monotonically increases with decreasing temperature, showing no correlation with the anomalous in-plane behavior.

Original language	English
Pages (from-to)	1169-1170
Number of pages	2
Journal	Physica C: Superconductivity and its applications
Volume	282-287
Issue number	PART 3
DOIs	https://doi.org/10.1016/S0921-4534(97)00732-6
Publication status	Published - 1997 Aug
Externally published	Yes

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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10.1016/S0921-4534(97)00732-6

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Anisotropic transport properties of impurity (Co) doped and oxygen controlled single-crystal Bi₂Sr₂CaCu₂O_8+δ : Evidence of temperature-dependent interlayer coupling and a pseudogap. / Watanabe, Takao; Fujii, Takenori; Matsuda, Azusa.

In: Physica C: Superconductivity and its applications, Vol. 282-287, No. PART 3, 08.1997, p. 1169-1170.

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

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abstract = "We investigate the effects of impurity (Co) substitution and carrier doping on the anisotropic transport properties of Bi2Sr2CaCu2O8+δ single crystals, focusing on the interlayer charge dynamics. Our analysis shows that the out-of-plane transport in the Bi2Sr2CaCu2O8+δ system is well described by the tunneling (Lawrence-Doniach) model. By carefully reducing the oxygen content, deviation from T-linear in-plane resistivity, which is similar the behavior in Ba2YCu3O7-δ , can be observed. On the other hand, the out-of-plane resistivity monotonically increases with decreasing temperature, showing no correlation with the anomalous in-plane behavior.",

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