Effect of microwave sintering on grain size and dielectric properties of barium titanate | Zendy

Praveena Kuruva | Zendy; Uma Maheshwara Singh RAJAPUTRA | Zendy; S. Srinath | Zendy; Ramana Murthy SARABU | Zendy

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Effect of microwave sintering on grain size and dielectric properties of barium titanate

Author(s) -

Praveena Kuruva,

Uma Maheshwara Singh RAJAPUTRA,

S. Srinath,

Ramana Murthy SARABU

Publication year - 2013

Publication title -

turkish journal of physics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.169

H-Index - 26

eISSN - 1303-6122

pISSN - 1300-0101

DOI - 10.3906/fiz-1303-4

Subject(s) - materials science , barium titanate , dielectric , microwave , scanning electron microscope , fourier transform infrared spectroscopy , analytical chemistry (journal) , transmission electron microscopy , ferroelectricity , grain size , diffraction , sintering , particle size , optics , composite material , nanotechnology , chemical engineering , optoelectronics , chemistry , physics , engineering , chromatography , quantum mechanics

In the present paper, nanosized barium titanate (BaTiO3) powders were synthesized by microwave hydrothermal method. The structural characterization of as-prepared powders was investigated using X-ray diffraction and Fourier transform infrared spectroscopy. The particle size was estimated using a transmission electron microscope. The nanopowders were sintered at different temperatures using a microwave furnace, followed by characterizations such as X-ray diffraction and field emission scanning electron microscopy. The dielectric constant behavior was observed as a function of frequency (100 Hz to 1 MHz) and temperature. The ferroelectric nature was confirmed from polarization-electric field loops.

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