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Properties of polycrystalline gas sensors based on d.c. and a.c. electrical measurements

✍ Scribed by F.J. Gutierrez; L. Ares; J.I. Robla; MaC. Horrillo; I. Sayago; J.A. Agapito

Publisher
Elsevier Science
Year
1992
Tongue
English
Weight
379 KB
Volume
8
Category
Article
ISSN
0925-4005

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Design of polycrystalline gas sensors ba
Design of polycrystalline gas sensors based on admittance spectrum measurements
✍ F.J. GutiΓ©rrez; L. ArΓ©s; J.I. Robla; M.C. Horrillo; I. Sayago; J.A. Agapito πŸ“‚ Article πŸ“… 1992 πŸ› Elsevier Science 🌐 English βš– 374 KB

The electrical properties of grain boundaries are analysed by admittance spectroscopy methods in order to design gas sensors by enhancing the activity of surface states in the detecting operation. A double Schottky barrier explains the grain boundary action under the presence of surrounding gases. T