Indian Journal of Scientific Research
Year : 2013, Volume : 4, Issue : 2
First page : ( 143) Last page : ( 148)
Print ISSN : 0976-2876. Online ISSN : 2250-0138.

Dielectric properties of PbWO₄, PbMgWO₄ and PbCaWO₄ compounds

Singh S.V.¹, Singh U.P.

Department of Physics, Tilak Dhari Post Graduate College Jaunpur, Uttar Pradesh, India

¹Corresponding author

Online published on 31 January, 2014.

Abstract

PbWO₄, PbMgWO₄ and PbCaWO₄ have been synthesised by the solid solution route technique. XRD patterns show them to be tetragonal. Dielectric constant (K´) and Dielectric loss (K´´) of PbWO₄, PbMgWO₄ and PbCaWO₄ have been measured at 1 kHz in the temperature range of 300 K to 1050 K. The log K´ vs T as well as log K´´ vs T plot of PbWO₄, PbMgWO₄ and PbCaWO₄ shows rapid increase of dielectric constant above 640 K, 700 K and 650 K respectively.

Top

Keywords

Dielectric constant, Dielectric Loss, PbWO₄, PbMgWO₄, PbCaWO₄.

Top