Cluster-glass behavior of a highly oxygen deficient perovskite, BaBi 0.28Co0.72O2.2

T. Klimczuk, H. W. Zandbergen, Q. Huang, T. M. McQueen, F. Ronning, B. Kusz, J. D. Thompson, Robert Joseph Cava

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Abstract

A highly oxygen deficient perovskite, BaBi0.28Co 0.72O2.2, was synthesized by solid state reaction. The crystal structure was determined by means of neutron and x-ray powder diffraction. The material exhibits semiconducting behavior with an energy gap of 1.8eV. The electron diffraction study does not reveal long range Bi:Co ordering; instead it shows the existence of short range ordering in this phase. The AC and DC magnetic susceptibility studies reveal cluster-glass behavior, which has its origin in the interacting ferromagnetic clusters present.

Original languageEnglish (US)
Article number105801
JournalJournal of Physics Condensed Matter
Volume21
Issue number10
DOIs
StatePublished - May 18 2009

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Condensed Matter Physics

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