HAN Lei, HU Ming, Lü Yu-qiang, et al. Preparation of VOx thin films by facing targets magnetron sputtering and study on anneailng of films[J]. 2007, (7): 54-57.
HAN Lei, HU Ming, Lü Yu-qiang, et al. Preparation of VOx thin films by facing targets magnetron sputtering and study on anneailng of films[J]. 2007, (7): 54-57. DOI: 10.13873/j.1000-97872007.07.034.
Vanadium oxide thin films deposited on slide glass substrates are prepared by facing-target magnetron sputtering.The effect of sputtering conditions on temperature coefficient of resistance(TCR) is analyzed by orthogonal experiment
and the optimum process recipes are achieved
including Ar∶O2=48∶0.4
gas pressure is 2 Pa
substrate temperature is 27 ℃
sputtering power is 180 W.The TCR is improved to-2.5 %~-4.5 % after anneal at different temperature.The effect of anneal on TCR is analyzed by means of combined use of atomic force microscopes(AFM) and X-ray photoelectron spectroscopy(XPS) technique
while choosing the optimal combination of the resistance and TCR.The proportion changing of VO2
V2O3 and V2O5 and the surface transformation of the films after anneal are observed and explained.
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references
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