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Measurements in transient regimes after steep humidity changes: a method for investigating the reaction sites in SnO2 gas sensors

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3 Author(s)
Ionescu, R. ; Nat. Inst. of Mater. Phys., Bucharest, Romania ; Vancu, A. ; Tomescu, A.

Most information about the gas-sensing properties of polycrystalline tin dioxide in the usual commercial gas-sensors is furnished only by steady-state conductance measurements. However many aspects of the surface-gas interaction, and thus of the operation of gas sensors are still unclear. Broadening the field of experimental methods for investigating surface phenomena is therefore very necessary

Published in:

Semiconductor Conference, 1999. CAS '99 Proceedings. 1999 International  (Volume:2 )

Date of Conference:

Oct 1999