The results showed that its dielectric constant changes in the scope of 2.90 to 3.30 under the influence of the factors mentioned above, among which the environmental humidity is a dominant one.
2
多孔硅表面吸附乙醇分子后，多孔硅膜的导电性和介电常数会发生改变，引起气敏元件的电阻和电容值变化。
When the surface of porous silicon adsorbs gas molecule, the conductivity and dielectric Constance of porous silicon membrane take place to changes.
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