Reddy et al., 2000 - Google Patents
Room Temperature Hydrogen Sensor Based on SnO2: La2 O 3Reddy et al., 2000
- Document ID
- 14315048678817522812
- Author
- Reddy C
- Manorama S
- Publication year
- Publication venue
- Journal of the Electrochemical Society
External Links
Snippet
Semiconductor gas sensors based on tin dioxide detect reducing gases from a change in their electrical conductivity. It is now generally accepted and well known that the chemisorption of oxygen on the surface of SnO2 particles creates a layer with high electrical …
- 229910052739 hydrogen 0 title abstract description 36
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means by investigating the impedance of the material
- G01N27/04—Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means by investigating the impedance of the material by investigating resistance
- G01N27/12—Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means by investigating the impedance of the material by investigating resistance of a solid body in dependence upon absorption of a fluid; of a solid body in dependence upon reaction with a fluid, for detecting components in the fluid
- G01N27/122—Circuits particularly adapted therefor, e.g. linearising circuits
- G01N27/123—Circuits particularly adapted therefor, e.g. linearising circuits for controlling the temperature
- G01N27/124—Circuits particularly adapted therefor, e.g. linearising circuits for controlling the temperature varying the temperature, e.g. in a cyclic manner
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