Antiferromagnetic ordering in the one-dimensional edge-sharing CuO2 chain system Ca2+xY2-xCu5O10

S. Kurogi, K. Kudo, T. Noji, Y. Koike, T. Nishizaki, N. Kobayashi

Research output: Contribution to journalArticlepeer-review

4 Citations (Scopus)

Abstract

We have investigated the spin state of the one-dimensional edge-sharing chain system Ca2+x Y2-x Cu5 O10 with 0 ≤ x ≤ 1.667 by means of the magnetic susceptibility and specific heat measurements, using the large-size single-crystals. It has been found that the magnetic ground state is an antiferromagnetically ordered state for 0 ≤ x ≤ 1.0, while a spin-gap state seems to be formed for x ≥ 1.5. Accordingly, it appears that the quantum critical point is located between x = 1.0 and 1.5 in Ca2+x Y2-x Cu5 O10.

Original languageEnglish
Pages (from-to)353-357
Number of pages5
JournalJournal of Low Temperature Physics
Volume131
Issue number3-4
DOIs
Publication statusPublished - 2003 May

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • Materials Science(all)
  • Condensed Matter Physics

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