%0 Journal Article %K Nucleation %K Temperature distribution %K Ferroelectric materials %K Polarization switching %K Ferroelectricity %K Ferroelectric domains %K Ferroelectric films %K Ferroelectric switching %K Epitaxial films %K Piezoresponse %K Vacuum %K Ambient environments %K Disorder effects %K Electrostatic fields %K Ferroelectric surfaces %K Force spectroscopies %K Metal tips %K Nucleation mechanisms %K Phase fields %K Temperature dependence %K Temperature ranges %K Thermal fluctuations %K Variable temperatures %A P Maksymovych %A S Jesse %A M Huijben %A Ramamoorthy Ramesh %A A Morozovska %A S Choudhury %A L.-Q Chen %A A.P Baddorf %A S.V Kalinin %B Physical Review Letters %D 2009 %G eng %R 10.1103/PhysRevLett.102.017601 %T Intrinsic nucleation mechanism and disorder effects in polarization switching on ferroelectric surfaces %V 102