%0 Journal Article %K Thin films %K Film growth %K Polarization %K Bismuth compounds %K Single crystals %K Ferroelectric switching %K Electric field effects %K Magnetic domains %K Microscopic examination %K Piezoelectric force microscopy (PEM) %K Epitaxial electrodes %K Magnetoelectric domain imaging %A P Shafer %A F Zavaliche %A Y.-H Chu %A P.-L Yang %A M.P Cruz %A Ramamoorthy Ramesh %B Applied Physics Letters %D 2007 %G eng %I American Institute of Physics Inc. %R 10.1063/1.2741046 %T Planar electrode piezoelectric force microscopy to study electric polarization switching in BiFe O3 %V 90