Synthesis and properties of lanthanide ruthenium(III) oxide perovskites

Alexandra Sinclair, Jennifer A. Rodgers, Craig V. Topping, Martin Míšek, Ross D. Stewart, Winfried Kockelmann, Jan Willem G Bos, J. Paul Attfield

Research output: Contribution to journalArticlepeer-review


An extensive series of new LnRuO3 perovskites has been synthesized at high pressure. These ruthenium(III)-based oxides are ruthenium deficient, and high-pressure samples have compositions close to LnRu 0.9O3. These phases stabilize ruthenium(III) which is very unusual in oxides. X-ray and neutron powder diffraction studies show that the materials adopt orthorhombic perovskite superstructures in which the RuO 6 octahedra are tetragonally compressed. These distortions, and the Mott insulator properties of the materials, are driven by strong spin-orbit coupling.

Original languageEnglish
Pages (from-to)8343-8347
Number of pages5
JournalAngewandte Chemie International Edition
Issue number32
Early online date24 Jun 2014
Publication statusPublished - 4 Aug 2014


  • oxides
  • perovskites
  • ruthenium
  • spin-orbit coupling
  • X-ray diffraction

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