Synthesis and characterization of the first 1: 2 ordered perovskite ruthenate

Job Rijssenbeek, Sylvie Malo, Takashi Saito, Vincent Caignaert, Masaki Azuma, Mikio Takano, Kenneth R Poeppelmeier

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Abstract

Perovskite-like mixed metal ruthenates are of interest owing to their varied electronic and magnetic properties, which are heavily dependent on the ordering of the transition metals. We report the synthesis and structural characterization of the first 1:2 ordered perovskite ruthenate, Sr3CaRu2O9. The structure was determined from a combination of powder X-ray, electron and neutron diffraction data and is characterized by a 1:2 ordering of Ca2+ and Ru5+ over the six-coordinate B-sites of the perovskite lattice. Sr3CaRu2O9 is the first example of this structure-type to include a majority metal with d electrons (Ru(V), d3). The relationship of this material to the K2NiF4-type Sr1.5Ca0.5RuO4 (i.e., Sr3CaRu2O8) highlights the dramatic effects of the ruthenium valence on the resultant structure. Remarkably, these two structures can be quantitatively interconverted by the appropriate choice of reaction temperature and atmosphere.

Original languageEnglish
Title of host publicationMaterials Research Society Symposium - Proceedings
EditorsR Wentzcovitch, A Navrotsky, K Poeppelmeier
Pages3-8
Number of pages6
Volume718
Publication statusPublished - 2002
EventPerovskite Materials - San Francisco, CA, United States
Duration: Apr 1 2002Apr 5 2002

Other

OtherPerovskite Materials
CountryUnited States
CitySan Francisco, CA
Period4/1/024/5/02

Fingerprint

Perovskite
Metals
Ruthenium
Neutron diffraction
Electron diffraction
Electronic properties
Powders
Transition metals
Magnetic properties
X ray diffraction
Electrons
perovskite
Temperature

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials

Cite this

Rijssenbeek, J., Malo, S., Saito, T., Caignaert, V., Azuma, M., Takano, M., & Poeppelmeier, K. R. (2002). Synthesis and characterization of the first 1: 2 ordered perovskite ruthenate. In R. Wentzcovitch, A. Navrotsky, & K. Poeppelmeier (Eds.), Materials Research Society Symposium - Proceedings (Vol. 718, pp. 3-8)

Synthesis and characterization of the first 1 : 2 ordered perovskite ruthenate. / Rijssenbeek, Job; Malo, Sylvie; Saito, Takashi; Caignaert, Vincent; Azuma, Masaki; Takano, Mikio; Poeppelmeier, Kenneth R.

Materials Research Society Symposium - Proceedings. ed. / R Wentzcovitch; A Navrotsky; K Poeppelmeier. Vol. 718 2002. p. 3-8.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Rijssenbeek, J, Malo, S, Saito, T, Caignaert, V, Azuma, M, Takano, M & Poeppelmeier, KR 2002, Synthesis and characterization of the first 1: 2 ordered perovskite ruthenate. in R Wentzcovitch, A Navrotsky & K Poeppelmeier (eds), Materials Research Society Symposium - Proceedings. vol. 718, pp. 3-8, Perovskite Materials, San Francisco, CA, United States, 4/1/02.
Rijssenbeek J, Malo S, Saito T, Caignaert V, Azuma M, Takano M et al. Synthesis and characterization of the first 1: 2 ordered perovskite ruthenate. In Wentzcovitch R, Navrotsky A, Poeppelmeier K, editors, Materials Research Society Symposium - Proceedings. Vol. 718. 2002. p. 3-8
Rijssenbeek, Job ; Malo, Sylvie ; Saito, Takashi ; Caignaert, Vincent ; Azuma, Masaki ; Takano, Mikio ; Poeppelmeier, Kenneth R. / Synthesis and characterization of the first 1 : 2 ordered perovskite ruthenate. Materials Research Society Symposium - Proceedings. editor / R Wentzcovitch ; A Navrotsky ; K Poeppelmeier. Vol. 718 2002. pp. 3-8
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