Abstract
Single-phase monoclinic vanadium dioxide (VO 2) films were grown on a Si(100) substrate using inductively coupled plasma (ICP)-assisted sputtering with an internal coil. The VO 2 film exhibited metal-insulator (M-I) transition at around 65 °C with three orders of change in resistivity, with a minimum hysteresis width of 2.2 °C. X-ray diffraction showed structural phase transition (SPT) from monoclinic to tetragonal rutile VO 2. For conventional reactive magnetron sputtering, vanadium oxides with excess oxygen (V 2O 5 and V 3O 7) could not be eliminated from stoichiometric VO 2. Single-phase monoclinic VO 2 growths that are densely filled with smaller crystal grains are important for achieving M-I transition with abrupt resistivity change.
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