Optical bandgap and ferroelectric studies of Pb<inf>0.8-y</inf>La<inf>y</inf>Co<inf>0.2</inf>TiO<inf>3</inf>(y = 0.2 to 0.8) synthesized by microwave irradiation processed sol-gel technique
Structural and functional properties of sol-gel synthesized and microwave heated Pb<inf>0.8</inf> Co<inf>0.2-z</inf>La<inf>z</inf>TiO<inf>3</inf> (z = 0.05–0.2) nanoparticles