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  • N/O-ordering  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 623 (1997), S. 304-308 
    ISSN: 0044-2313
    Keywords: Zirconium oxidenitride ; bixbyite structure ; N/O-ordering ; high temperature behavior ; powder diffraction ; Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Crystal Structure and High Temperature Behavior of Zr2ON2Zr2ON2 has been prepared by solid state reaction of ZrO2 with Zr3N4. The crystal structure (Bixbyite-type) was refined using X-ray and neutron powder diffraction methods. The results indicate a nitrogen-oxygen-ordering. As detected by high temperature XRD experiments, Zr2ON2 decomposes at temperatures above 800°C to a fluorite type zirconium oxidenitride phase, nitrogen gas, and ZrN.
    Notes: Durch Festkörperreaktion von ZrO2 mit Zr3N4 läßt sich Zr2ON2 darstellen. Pulverbeugungsdaten des Zr2ON2 wurden in der Bixbyitstruktur verfeinert. Die erhaltenen Ergebnisse deuten auf das Vorliegen einer Stickstoff-Sauerstoff-Ordnung hin. Zr2ON2 zerfällt bei Temperaturen oberhalb von 800°C in eine Zirconiumoxidnitrid-Phase mit Fluoritstruktur, Stickstoff und ZrN. Die Zersetzungsreaktion wurde mit Röntgenpulvermethoden in situ untersucht.
    Additional Material: 5 Ill.
    Type of Medium: Electronic Resource
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