%0 Journal Article %K Phase transitions %K Defects %K Polarization %K Electric field effects %K Thermodynamics %K Hysteresis loops %K Spectroscopic analysis %K Built-in fields %K Electrochemical reactions %K Pinning centers %K Polarization reversal %A S.V Kalinin %A S Jesse %A B.J Rodriguez %A Y.H Chu %A Ramamoorthy Ramesh %A E.A Eliseev %A A.N Morozovska %B Physical Review Letters %D 2008 %G eng %R 10.1103/PhysRevLett.100.155703 %T Probing the role of single defects on the thermodynamics of electric-field induced phase transitions %V 100