Synthesis and characterization of nanocrystalline Al0.5Ag0.5TiO3 powder

Sandeep Kumar , L.K. Sahay , Anal K. Jha , K. Prasad

Abstract

A low-cost, green and reproducible citric acid assisted synthesis of nanocrystalline Al0.5Ag0.5TiO3 (n-AAT) powder is reported. X-ray, FTIR, energy dispersive X-ray, transmission electron microscopy and scanning electron microscopy analyses are performed to ascertain the formation of n-AAT. X-ray diffraction data analysis indicated the formation of monoclinic structure. Spherical shaped particles having the sizes of 3-15 nm are found. The mechanism of nano-transformation for the soft-chemical synthesis of n-AAT has been explained using simple organic chemistry rules and nucleation and growth theory. Dielectric study revealed that AAT ceramic might be a suitable candidate for capacitor applications.

Key Words

green synthesis; citric acid gel method; nanoparticle; dielectric properties; Al0.5Ag0.5TiO3

Address

Sandeep Kumar and L.K. Sahay: University Department of Chemistry, T.M. Bhagalpur University, Bhagalpur 812 007, India Anal K. Jha: Aryabhatta Centre for Nanoscience and Nanotechnology, Aryabhatta Knowledge University, Patna 800 001, India K. Prasad: Aryabhatta Centre for Nanoscience and Nanotechnology, Aryabhatta Knowledge University, Patna 800 001, India; University Department of Physics, T.M. Bhagalpur University, Bhagalpur 812 007, India

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