Research Article
Preparation, Characterization, and Evaluation of Humidity-Dependent Electrical Properties of Undoped and Niobium Oxide-Doped TiO2 : WO3 Mixed Powders
Figure 10
Sensitivity change with RH, at 1.3 kHz (a) and 4 kHz (b), at 20°C for all three sensors.
(a) |
(b) |