Synthesis, crystal structure, and optical properties of CeMn 0.5OSe

Ismail Ijjaali, Kwasi Mitchell, Christy L. Haynes, Adam D. McFarland, Richard P. Van Duyne, James A. Ibers*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

28 Scopus citations


The new quaternary selenide CeMn0.5OSe has been synthesized by the reaction of Ce, Mn, Se, and SeO2 at 1223K. This compound crystallizes in space group P4/nmm of the tetragonal system with two formula units in a cell of dimensions at 153K of a=4.0260(7)Å, c=9.107(2)Å. CeMn0.5OSe has the LaAgOS structure type. It is built from [CeO] fluorite-like layers where Ce4O tetrahedra share Ce-Ce edges that alternate with [MnSe] anti-fluorite like layers along [001]. An optical band gap of 2.01eV has been derived from absorption measurements on the (100) crystal face of a CeMn0.5OSe single crystal.

Original languageEnglish (US)
Pages (from-to)170-174
Number of pages5
JournalJournal of Solid State Chemistry
Issue number1
StatePublished - Nov 15 2003


  • Band gap
  • Cerium manganese oxyselenide
  • Synthesis and X-ray structure

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Ceramics and Composites
  • Condensed Matter Physics
  • Physical and Theoretical Chemistry
  • Inorganic Chemistry
  • Materials Chemistry


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