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Radiolytic Modification of Gas Sensor Surface Chemistry

Published online by Cambridge University Press:  25 February 2011

C J Sofield ,
R M Guppy ,
O M Merdrignac ,
P T Moseley ,
V J Moore  and
R Peat
C J Sofield
Affiliation:
AEA Technology, Harwell Laboratory, Didcot, OX11 ORA, UK
R M Guppy
Affiliation:
AEA Technology, Harwell Laboratory, Didcot, OX11 ORA, UK
O M Merdrignac
Affiliation:
AEA Technology, Harwell Laboratory, Didcot, OX11 ORA, UK
P T Moseley
Affiliation:
AEA Technology, Harwell Laboratory, Didcot, OX11 ORA, UK
V J Moore
Affiliation:
AEA Technology, Harwell Laboratory, Didcot, OX11 ORA, UK
R Peat
Affiliation:
AEA Technology, Harwell Laboratory, Didcot, OX11 ORA, UK
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Abstract

The surfaces of thin films of tin dioxide prepared by radio frequency sputtering have been driven to react with nitrogen by exposure to a proton beam in an atmosphere containing nitrogen gas. Such modification of the composition of the free surfaces of the films modifies their gas response characteristics substantially.

The effects of modifying the surface of tin dioxide by exposure to proton beams in air have been demonstrated for thin films prepared both by tputtering and by dip coating with a sol.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 268: Symposium K – Materials Modification by Energetic Atoms and Ions , 1992 , 355
Copyright
Copyright © Materials Research Society 1992

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References

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