Figure 9
From: Ambipolar surface conduction in oxygen sub-stoichiometric molybdenum oxide films
Evolution of the I–V curve during the second thermal cycle during cooling down from (a) 400 to 200 °C and (b) 200 to 35 °C. A “metallic” behavior is observed at negative voltages, where the current increases as the temperature drops from 170 to 35 °C.
