Anisotropic charge modulation in ladder planes of Sr 14-xCa xCu 24O 41

T. Vuletić, T. Ivek, B. Korin-Hamzić, S. Tomić, B. Gorshunov, P. Haas, M. Dressel, J. Akimitsu, T. Sasaki, T. Nagata

Research output: Contribution to journalArticlepeer-review

24 Citations (Scopus)


The charge response of the ladders in Sr 14-xCa xCu 24O 41 is characterized by dc resistivity, low frequency dielectric, and optical spectroscopy in all three crystallographic directions. The collective charge-density wave screened mode is observed in the direction of the rungs for x=0, 3, and 6, in addition to the mode along the legs. For x=8 and 9, the charge-density-wave response along the rungs fully vanishes, while the one along the legs persists. The transport perpendicular to the planes is always dominated by hopping.

Original languageEnglish
Article number012508
JournalPhysical Review B - Condensed Matter and Materials Physics
Issue number1
Publication statusPublished - Jan 2005
Externally publishedYes

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics


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