Pressure-induced dimensional crossover and superconductivity in the hole-doped two-leg ladder compound Sr14-xCaxCu24O41

T. Nagata; M. Uehara; J. Goto; J. Akimitsu; N. Motoyama; H. Eisaki; S. Uchida; H. Takahashi; T. Nakanishi; N. Môri

doi:10.1103/PhysRevLett.81.1090

Pressure-induced dimensional crossover and superconductivity in the hole-doped two-leg ladder compound Sr_14-xCa_xCu₂₄O₄₁

T. Nagata, M. Uehara, J. Goto, J. Akimitsu, N. Motoyama, H. Eisaki, S. Uchida, H. Takahashi, T. Nakanishi, N. Môri

Research output: Contribution to journal › Article

146 Citations (Scopus)

Abstract

Anisotropic electrical resistivity under high pressure was measured for a single crystal of Sr_2.5Ca_11.5-Cu₂₄O₄₁, a hole-doped two-leg ladder compound. Superconductivity was observed between 3.5 and 8 GPa, accompanied by metallic resistivity between the ladders, which indicates semiconducting behavior at ambient pressure. This in turn strongly suggests that the application of pressure brings about a dimensional crossover from one to two, and that superconductivity in this system is a consequence of an insulator to superconductor transition in the anisotropic two-dimensional system.

Original language	English
Pages (from-to)	1090-1093
Number of pages	4
Journal	Physical Review Letters
Volume	81
Issue number	5
DOIs	https://doi.org/10.1103/PhysRevLett.81.1090
Publication status	Published - Jan 1 1998
Externally published	Yes

ASJC Scopus subject areas

Physics and Astronomy(all)

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Nagata, T., Uehara, M., Goto, J., Akimitsu, J., Motoyama, N., Eisaki, H., Uchida, S., Takahashi, H., Nakanishi, T., & Môri, N. (1998). Pressure-induced dimensional crossover and superconductivity in the hole-doped two-leg ladder compound Sr_14-xCa_xCu₂₄O₄₁. Physical Review Letters, 81(5), 1090-1093. https://doi.org/10.1103/PhysRevLett.81.1090

Pressure-induced dimensional crossover and superconductivity in the hole-doped two-leg ladder compound Sr_14-xCa_xCu₂₄O₄₁. / Nagata, T.; Uehara, M.; Goto, J.; Akimitsu, J.; Motoyama, N.; Eisaki, H.; Uchida, S.; Takahashi, H.; Nakanishi, T.; Môri, N.

In: Physical Review Letters, Vol. 81, No. 5, 01.01.1998, p. 1090-1093.

Research output: Contribution to journal › Article

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