Crystal and magnetic structure of the Ca3Mn2O 7 Ruddlesden-Popper phase: Neutron and synchrotron x-ray diffraction study

Maxim V. Lobanov, Martha Greenblatt, El'ad N. Caspi, James D. Jorgensen, Denis V. Sheptyakov, Brian H. Toby, Cristian E. Botez, Peter W. Stephens

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Abstract

The crystallographic and magnetic structures of Ca3Mn 2O7 Ruddlesden-Popper phase have been determined by a combination of neutron and synchrotron x-ray diffraction. Two-phase behaviour observed at room temperature is attributed to an incomplete structural phase transition. The magnetic structure was solved in the Cm′c2′1 Shubnikov group with dominant G-type antiferromagnetic order in the perovskite bilayers. The temperature evolution of the structural and magnetic parameters is presented.

Original languageEnglish (US)
Pages (from-to)5339-5348
Number of pages10
JournalJournal of Physics Condensed Matter
Volume16
Issue number29
DOIs
StatePublished - Jul 28 2004

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Condensed Matter Physics

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