Effect of Ca substitution and pressure on the transport and magnetic properties of Sr{sub 14}Cu{sub 24}O{sub 41} with doped two-leg Cu-O ladders

Journal Article · Sat Feb 01 04:00:00 EST 1997 · Physical Review, B: Condensed Matter

DOI:https://doi.org/10.1103/PhysRevB.55.R3386· OSTI ID:450403

Motoyama, N; Osafune, T; Kakeshita, T; Eisaki, H; Uchida, S ^[1]

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1. Department of Superconductivity, The University of Tokyo, Bunkyo-ku, Tokyo 113 (Japan)

Anisotropic electrical resistivity and magnetic susceptibility are measured on single crystals of Sr{sub 14{minus}x}A{sub x}Cu{sub 24}O{sub 41} (A = Ca, Y). This material contains two-leg antiferromagnetic spin ladders that are progressively doped with hole carriers upon Ca substitution and thus determine the charge-transport properties. Application of hydrostatic pressure to this system has an effect similar to Ca substitution, increasing the hole density in the ladders. The resistivity shows remarkable anisotropy, indicative of a one-dimensional electronic state. {copyright} {ital 1997} {ital The American Physical Society}

• OSTI ID: 450403
• Journal Information: Physical Review, B: Condensed Matter, Journal Name: Physical Review, B: Condensed Matter Journal Issue: 6 Vol. 55; ISSN PRBMDO; ISSN 0163-1829
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
CHEMICAL COMPOSITION
COPPER COMPOUNDS
COPPER OXIDES
CRYSTAL STRUCTURE
DOPED MATERIALS
ELECTRIC CONDUCTIVITY
ELECTRONIC STRUCTURE
HIGH-TC SUPERCONDUCTORS
MAGNETIC SUSCEPTIBILITY
STRONTIUM COMPOUNDS
STRONTIUM OXIDES
TEMPERATURE DEPENDENCE
high-pressure effects
high-temperature superconductors
magnetic anisotropy