Research Article
Preparation, Characterization, and Evaluation of Humidity-Dependent Electrical Properties of Undoped and Niobium Oxide-Doped TiO2 : WO3 Mixed Powders
Figure 4
Raman spectra of the -doped sensors: (a) nondoped and the 2% weight doped sensors; (b) 2, 4, and 6% content of .
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(b) |