%0 Journal Article %K Temperature %K Thin films %K Magnetoresistance %K Ionic liquids %K Lanthanum compounds %K Iridium compounds %K Strontium compounds %K Ground state %K Semiconductor doping %K Electric field effects %K Ambipolar transport %K Channel resistance %K Conduction Mechanism %K Hopping conduction %K Iridate %K Positive magnetoresistance %K Temperature-dependent resistance %K Variable-range hopping %K Mott insulators %A J Ravichandran %A C.R Serrao %A D.K Efetov %A D Yi %A Y.S Oh %A S.-W Cheong %A Ramamoorthy Ramesh %A P Kim %B Journal of Physics Condensed Matter %D 2016 %G eng %I Institute of Physics Publishing %R 10.1088/0953-8984/28/50/505304 %T Ambipolar transport and magneto-resistance crossover in a Mott insulator, Sr2IrO4 %V 28