Search results for: NANOCRYSTALLINITY

• Synthesis, microstructure and electrical properties of nanocrystalline calcium doped lanthanum orthoniobate

  Publication

  • T. Miruszewski
  • P. Winiarz
  • K. Dzierzgowski
  • K. Wiciak-Pawłowska
  • K. Zagórski
  • A. Morawski
  • A. D. Mielewczyk-Gryń
  • S. L. Wachowski
  • J. Strychalska-Nowak
  • M. Sawczak
  • M. Gazda

  - JOURNAL OF SOLID STATE CHEMISTRY - Year 2019

  The single phase lanthanum orthoniobate with tetragonal structure has been synthesized by the means of mechanosynthesis method. The studies have shown the crystal structure of La0.98Ca0.02NbO4 depends on the synthesis stage. The samples were predominantly in the tetragonal phase with a trace amount of the monoclinic phase. The SEM studies of morphology and microstructure have shown nanocrystallinity of the materials. The Raman...

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• Limited dissolution of transition metals in the nanocrystalline cerium (IV) oxide

  Publication

  • A. Ducka
  • P. Błaszczak
  • M. Zajac
  • A. Mizera
  • F. d'Acapito
  • B. Bochentyn

  - CERAMICS INTERNATIONAL - Year 2024

  Nanocrystalline cerium (IV) oxides doped with transition metals have gained significant interest recently, mostly in the field of catalysis. Herein, we present the comprehensive studies on ceria doped with 10 mol.% of transition metals (Mn, Fe, Co, Ni or Cu) synthesized by the reverse microemulsion method. The aim of this work is to study the properties of those materials with the use of different complementary methods like XRD,...

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