Conductivity of the PGT Synthesized by the High Energy Ball Milling (HEBM)‎

الملخص EN

Nanocrystalline Pb1−3x/2GdxTiO3 (where x=0.01) abbreviated as PGT has been synthesised by high energy ball milling at room temperature.

Milling was continuous and X-ray analysis shows that single phase tetragonal structure of nanocrystalline PGT was formed after 15 h milling.

The average crystallite size was found to be 17 nm.

The frequency dependent ac conductivity of the PGT ceramic was studied in the range 100–525°C.

Complex impedance analysis suggested the dielectric relaxation to be of non-Debye type.

The activation energy was found to be 1.04 ev.

The mechanism of charge transport in nanocrystalline PGT was successfully explained by correlated hopping model.