%0 Journal Article %A B Nagaraj %A S Aggarwal %A T.K Song %A T Sawhney %A Ramamoorthy Ramesh %B Physical Review B - Condensed Matter and Materials Physics %D 1999 %G eng %P 16022-16027 %R 10.1103/PhysRevB.59.16022 %T Leakage current mechanisms in lead-based thin-film ferroelectric capacitors %V 59