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Synthesis and Characterisation of Nano crystalline Neodymium Nickelate (NdNiO3) Powders using Low Temperature Molten Salt Technique

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Author Affiliations

  • 1Department of Chemistry, St. Joseph’s College, Tiruchirappalli - 620 002, Tamil Nadu, INDIA
  • 2 Electropyrometallurgy Division, CSIR-Central Electrochemical Research Institute, Karaikudi-630 006, Tamil Nadu, INDIA

Res.J.chem.sci., Volume 2, Issue (8), Pages 37-42, August,18 (2012)

Abstract

The ultrafine neodymium nickelate (NdNiO3) powders have been prepared by molten flux method using oxide precursors. The synthesized materials were characterised using XRD, FTIR, CHNS, EDAX and EPR analytical techniques. The morphology of the synthesized crystals were scrutinized using scanning electron microscopy (SEM). The XRD analysis has shown that the synthesized crystal has possessed cubic structure. FTIR spectrum exhibits the absorption bands for the Nd-O stretching vibration and Ni-O bands at different wave lengths. The CHNS analysis presents the impurities level in the synthesized compound. EDAX analysis gives the concentration of Nd, Ni and O ions in the compound. The lone pair of electron state is identified from the EPR spectrum. The SEM micrographs depicts the presence of fine crystallites with assorted morphology. The average particle size of the powders is ranging between 25-35 m. From the above studies, it has been concluded that pure crystals of NdNiO3 compound can be synthesized by low temperature molten salt technique.

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