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  Circumventing the perovskite pattern: Linear ruthenate(V) polyoxoanions in Bi2NaRuO6

Prasad, B. E., Reuter, H., Schnelle, W., Felser, C., & Jansen, M. (2018). Circumventing the perovskite pattern: Linear ruthenate(V) polyoxoanions in Bi2NaRuO6. Solid State Sciences, 82, 52-58. doi:10.1016/j.solidstatesciences.2018.06.001.

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Prasad, Beluvalli E.1, Autor           
Reuter, Hans2, Autor
Schnelle, Walter3, Autor           
Felser, Claudia4, Autor           
Jansen, Martin1, Autor           
Affiliations:
1Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863425              
2External Organizations, ou_persistent22              
3Walter Schnelle, Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863441              
4Claudia Felser, Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863429              

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Schlagwörter: Hydrothermal synthesis, Ruthenate(V), Crystal structure, Poly-oxoanion, Ferromagnetic interaction
 Zusammenfassung: Phase pure, coarse crystalline Bi2NaRuO6 was synthesized in a hydrothermal approach. It displays a new crystal structure (Pnma (62), a = 12.1408(1) Å, b = 7.49282(6) Å, c = 12.1163(1) Å, Z = 8), which is characterized by a quasi-1D poly-oxoanion composed of (RuO6) octahedra sharing oxygen atoms in trans position. The magnetic response at high temperatures is described by a Curie-Weiss law reflecting strong antiferromagnetic interactions. The obtained effective magnetic moment complies with the d3 configuration for Ru5+. Below 208 K a weakly ferromagnetic state evolves while no phase transition could be observed in a heat capacity measurement. The compound displays activated electrical conduction. The overall composition and the ionic radii ratios of the constituents encourage to apply elevated hydrostatic pressure in order to realize the title compound in a double perovskite type arrangement, instead of the chain-like structure encountered at ambient conditions.

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Sprache(n): eng - English
 Datum: 2018-06-062018-06-06
 Publikationsstatus: Erschienen
 Seiten: -
 Ort, Verlag, Ausgabe: -
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Titel: Solid State Sciences
Genre der Quelle: Zeitschrift
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Ort, Verlag, Ausgabe: Paris : Elsevier Masson SAS
Seiten: - Band / Heft: 82 Artikelnummer: - Start- / Endseite: 52 - 58 Identifikator: ISSN: 1293-2558
CoNE: https://pure.mpg.de/cone/journals/resource/954926245540