%0 Journal Article %K Thin films %K Electron microscopy %K Polarization %K Epitaxial growth %K Polarization switching %K Bismuth compounds %K Ferroelectricity %K Strontium compounds %K Ferroelectric domain structure %K Piezoelectric force microscopy (PEM) %K Piezoresponse data %K Vectors %A F Zavaliche %A P Shafer %A Ramamoorthy Ramesh %A M.P Cruz %A R.R Das %A D.M Kim %A C.B Eom %B Applied Physics Letters %D 2005 %G eng %P 1-3 %R 10.1063/1.2149180 %T Polarization switching in epitaxial BiFeO 3 films %V 87