Structure and magnetic properties of Eu 2CaCu 2O 6

Qiang Xu, Tomasz Klimczuk, Jacob Jansen, Robert J. Cava, Henny W. Zandbergen

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4 Scopus citations

Abstract

A new type of cuprate, Eu 2CaCu 2O 6, has been prepared by high-pressure synthesis. The structure has been determined by high-resolution electron microscopy (HREM) and electron diffraction. A starting structure model was constructed using through-focus exit waves reconstructed from a series of HREM images. The exact structure was determined by refinement using electron diffraction single-crystal data and was confirmed by X-ray Rietveld analysis. The structure consists of CuO 3planes, containing CuO 4 squares that form separated Cu 2O 6 units, thus giving a zero-dimensional structural character. Magnetic measurements indicate antiferromagnetic behavior with magnetic frustration.

Original languageEnglish (US)
Pages (from-to)4585-4591
Number of pages7
JournalChemistry of Materials
Volume18
Issue number19
DOIs
StatePublished - Sep 19 2006

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Chemical Engineering(all)
  • Materials Chemistry

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