Metal-insulator transition in β'-CuxV 2O5 nanowires
Kim, Young In
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The study of phase transitions in the field of condensed matter physics has been a vigorous topic for the past few decades. Of particular interest are the metal-insulator transitions in strongly correlated systems. These Metal-Insulator transitions have potential applications for optical devices, sensors, electronic switching devices, and can be an avenue in tackling the limitations of CMOS scaling. These transitions in the electronic transport properties of low dimensional crystalline CuxV2O5 nanowires are the primary topic of this work. Here, the thermally driven metal-Insulator transition in CuxV2O5 nanowires are probed using lock-in techniques. The insulating phase in the low temperature regime are demonstrated to be suppressed when placed under a DC current bias. These measurements provide insight into the fundamental mechanism behind the phase transition in Vanadium oxide bronzes.