Abstract
We report the electroresistance measurements on La0.67Ca0.33MnO3 thin film in two different configurations. In the in-plane configuration, a shift of metal-insulator transition towards low temperatures is seen with increase in applied current, which is attributed to Joule heating effect. In contrast, the metal-insulator transition is found to shift towards high temperatures for out-of-plane configuration. This observation agrees well with the predictions of the double exchange theory towards explaining both magnetoresistance and electroresistance behaviours of manganites.
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