Upper critical field of the spin ladder system Sr2.5Ca11.5Cu24O41

D. Braithwaite, T. Nagata, I. Sheikin, H. Fujino, Jun Akimitsu, J. Flouquet

Research output: Contribution to journalArticle

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Abstract

We present transport measurements under pressure of the anisotropic upper critical field of the superconducting spin ladder compound Sr2.5Ca11.5Cu24O41. When the field is applied perpendicular to the ladder plane, the temperature dependence of Hc2 is anomalous and shows a strong positive curvature. Hc2 for fields applied in the ladder plane is only weakly anisotropic between the a and c directions, however the initial slope is a factor of 6 larger than for H∥b. We compare these measurements of Hc2(T) with results in the high-Tc cuprates and in the quasi-1D organic superconductors.

Original languageEnglish
Pages (from-to)533-536
Number of pages4
JournalSolid State Communications
Volume114
Issue number10
DOIs
Publication statusPublished - May 5 2000
Externally publishedYes

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Ladders
ladders
organic superconductors
cuprates
Superconducting materials
curvature
slopes
temperature dependence
Temperature

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics

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Upper critical field of the spin ladder system Sr2.5Ca11.5Cu24O41 . / Braithwaite, D.; Nagata, T.; Sheikin, I.; Fujino, H.; Akimitsu, Jun; Flouquet, J.

In: Solid State Communications, Vol. 114, No. 10, 05.05.2000, p. 533-536.

Research output: Contribution to journalArticle

Braithwaite, D, Nagata, T, Sheikin, I, Fujino, H, Akimitsu, J & Flouquet, J 2000, 'Upper critical field of the spin ladder system Sr2.5Ca11.5Cu24O41 ', Solid State Communications, vol. 114, no. 10, pp. 533-536. https://doi.org/10.1016/S0038-1098(00)00097-1
Braithwaite, D. ; Nagata, T. ; Sheikin, I. ; Fujino, H. ; Akimitsu, Jun ; Flouquet, J. / Upper critical field of the spin ladder system Sr2.5Ca11.5Cu24O41 . In: Solid State Communications. 2000 ; Vol. 114, No. 10. pp. 533-536.
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