Effect of Sintering Technique on the Structural and Electrical Properties of YMn_1-xCr_xO₃

Abstract

Yttrium manganite (YMnO₃) and Chromium doped yttrium manganite (YMn_1-xCr_xO₃) ceramic samples were prepared by sol-gel auto-combustion method. The as-prepared samples were annealed at 900 °C and sintered using conventional and microwave techniques. The influence of sintering technique on the structural and electrical properties was studied. The detailed structural investigations were carried out using X-ray Diffraction (XRD) and Fourier Transform Infra-red Spectroscopy (FTIR) studies. The variation of room temperature dielectric constant, dielectric loss and ac conductivity were studied as a function of frequency in the range 100 Hz–1 MHz using Agilent HP 4284A LCR(Inductance, Capacitance and Resistance) metre.

Keywords:

• Yttrium manganite
• conventional
• microwave

Acknowledgments

One of the author, Lisham Paris Chanu would like to thank DST INSPIRE for providing financial assistance in the form of INSPIRE Fellowship. The author would also like to acknowledge Chemistry Department, NIT Manipur for FTIR measurement.