%0 Journal Article %A W Fan %A J Cao %A J Seidel %A Y Gu %A J.W Yim %A C Barrett %A K.M Yu %A J Ji %A Ramamoorthy Ramesh %A L.Q Chen %A J Wu %B Physical Review B - Condensed Matter and Materials Physics %D 2011 %G eng %R 10.1103/PhysRevB.83.235102 %T Large kinetic asymmetry in the metal-insulator transition nucleated at localized and extended defects %V 83