Figure 1

(a) Sheet resistance as a function of increasing temperature. The phase-change temperatures are 97° and 320°C, respectively. Resistance changed from 10 kΩsq to 10 Ωsq. (b) XRD patterns of a-MIST, MIST_1 and MIST_2 samples. MIST_1 was shown to have a semi/quasi-crystalline phase.