Anisotropic conductivity and its anomalies in la8-xsrxcu8o20 single crystals

Takao Watanabe; Azusa Matsuda

doi:10.1143/JJAP.30.L985

Anisotropic conductivity and its anomalies in la_8-xsr_xcu₈o₂₀ single crystals

Takao Watanabe, Azusa Matsuda

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

5 Citations (Scopus)

Abstract

Single crystals of La_8-xSr_xCu₈O₂₀ (1.0≤a≤1.8) are grown using the CuO flux method in a flowing O₂ atmosphere. Resistivities parallel to the c-axis, ρ_Tc, and perpendicular to the c-axis, each show an anomaly around 140 K. The anisotropy ρ_Tc/ρ_c increases from 5 ˜ 10 at room temperature to 8 - 20 at 5 K. These La_8-xSr_xCu₈O₂₀ crystals can be considered quasi-one-dimensional conductors. Magnetic susceptibilities for both H//c and HTc show a cusplike anomaly around 140 K, suggesting the occurrence of a magnetic phase transition.

Original language	English
Pages (from-to)	L985-L987
Journal	Japanese journal of applied physics
Volume	30
Issue number	6
DOIs	https://doi.org/10.1143/JJAP.30.L985
Publication status	Published - 1991 Jun
Externally published	Yes

Keywords

Flux method
LaSrCuO/single crystal
Magnetic phase transition
Montgomery method
X-ray diffraction

ASJC Scopus subject areas

Engineering(all)
Physics and Astronomy(all)

Access to Document

10.1143/JJAP.30.L985

Cite this

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title = "Anisotropic conductivity and its anomalies in la8-xsrxcu8o20 single crystals",

abstract = "Single crystals of La8-xSrxCu8O20 (1.0≤a≤1.8) are grown using the CuO flux method in a flowing O2 atmosphere. Resistivities parallel to the c-axis, ρTc, and perpendicular to the c-axis, each show an anomaly around 140 K. The anisotropy ρTc/ρc increases from 5 ˜ 10 at room temperature to 8 - 20 at 5 K. These La8-xSrxCu8O20 crystals can be considered quasi-one-dimensional conductors. Magnetic susceptibilities for both H//c and HTc show a cusplike anomaly around 140 K, suggesting the occurrence of a magnetic phase transition.",

keywords = "Flux method, LaSrCuO/single crystal, Magnetic phase transition, Montgomery method, X-ray diffraction",

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T1 - Anisotropic conductivity and its anomalies in la8-xsrxcu8o20 single crystals

AU - Watanabe, Takao

AU - Matsuda, Azusa

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AB - Single crystals of La8-xSrxCu8O20 (1.0≤a≤1.8) are grown using the CuO flux method in a flowing O2 atmosphere. Resistivities parallel to the c-axis, ρTc, and perpendicular to the c-axis, each show an anomaly around 140 K. The anisotropy ρTc/ρc increases from 5 ˜ 10 at room temperature to 8 - 20 at 5 K. These La8-xSrxCu8O20 crystals can be considered quasi-one-dimensional conductors. Magnetic susceptibilities for both H//c and HTc show a cusplike anomaly around 140 K, suggesting the occurrence of a magnetic phase transition.

KW - Flux method

KW - LaSrCuO/single crystal

KW - Magnetic phase transition

KW - Montgomery method

KW - X-ray diffraction

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