Abstract
In heating process, the two obvious resistance mutations were observed for V2O5 films at 320 °C and 345 °C. The crystallization mechanism of one-dimensional growth was the main reason for the rapid phase transition. Accompanied with the phase change, the microcrystalline and polycrystalline phases formed one after another. The element scan of micro-distribution indicated that the distribution of V and O elements were uniform. A good adhesive force was demonstrated by the scratch test. The multi-level storage was achieved in V2O5-based phase change memory device with a fast speed of 100 ns.
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