%0 Journal Article %K Lead %K Zirconium %K Ferroelectricity %K Ferroelectric films %K Scanning probe microscopy %K Electronic transport %K Ferroelectric thin films %K Hopping conduction %K Spatially resolved %K Applied bias %K Barrier heights %K Candidate mechanisms %K Differential analysis %K Electron transport %K Fowler-Nordheim tunneling %K I - V curve %K Lead zirconate titanate (PZT) %K Phenomenological analysis %K Spatial variations %K Current voltage characteristics %K Epitaxial films %K Semiconducting lead compounds %A P Maksymovych %A M Pan %A P Yu %A Ramamoorthy Ramesh %A A.P Baddorf %A S.V Kalinin %B Nanotechnology %D 2011 %G eng %R 10.1088/0957-4484/22/25/254031 %T Scaling and disorder analysis of local I-V curves from ferroelectric thin films of lead zirconate titanate %V 22