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

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

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Abstract

Anisotropic electrical resistivity under high pressure was measured for a single crystal of Sr2.5Ca11.5-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 languageEnglish
Pages (from-to)1090-1093
Number of pages4
JournalPhysical Review Letters
Volume81
Issue number5
Publication statusPublished - 1998
Externally publishedYes

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ladders
crossovers
superconductivity
electrical resistivity
insulators
single crystals

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

Pressure-induced dimensional crossover and superconductivity in the hole-doped two-leg ladder compound Sr14-xCaxCu24O41 . / Nagata, T.; Uehara, M.; Goto, J.; Akimitsu, Jun; Motoyama, N.; Eisaki, H.; Uchida, S.; Takahashi, H.; Nakanishi, T.; Môri, N.

In: Physical Review Letters, Vol. 81, No. 5, 1998, p. 1090-1093.

Research output: Contribution to journalArticle

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 Sr14-xCaxCu24O41 ', Physical Review Letters, vol. 81, no. 5, pp. 1090-1093.
Nagata, T. ; Uehara, M. ; Goto, J. ; Akimitsu, Jun ; Motoyama, N. ; Eisaki, H. ; Uchida, S. ; Takahashi, H. ; Nakanishi, T. ; Môri, N. / Pressure-induced dimensional crossover and superconductivity in the hole-doped two-leg ladder compound Sr14-xCaxCu24O41 . In: Physical Review Letters. 1998 ; Vol. 81, No. 5. pp. 1090-1093.
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AU - Motoyama, N.

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AU - Môri, N.

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