%0 Journal Article %K Sodium compounds %K Magnetic fields %K Electric fields %K Lanthanum compounds %K Ferroelectric materials %K Energy gap %K Single crystals %K Carrier concentration %K Strontium compounds %K Lead compounds %K Neutron scattering %K Electroresistance %K Colossal magnetoresistance %K Electron traps %K Electronic phase separation %K Mixed-valent manganites %A T Wu %A S.B Ogale %A J.E Garrison %A B Nagaraj %A A Biswas %A Z Chen %A R.L Greene %A Ramamoorthy Ramesh %A T Venkatesan %A A.J Millis %B Physical Review Letters %D 2001 %G eng %P 5998-6001 %R 10.1103/PhysRevLett.86.5998 %T Electroresistance and electronic phase separation in mixed-valent manganites %V 86