[go: up one dir, main page]
More Web Proxy on the site http://driver.im/

Xingqin et al., 1993 - Google Patents

Study on SnO2-Fe2O3 gas-sensing system by ac impedance technique

Xingqin et al., 1993

Document ID
8434847246237324164
Author
Xingqin L
Chunhua C
Wendong X
Yusheng S
Guangyao M
Publication year
Publication venue
Sensors and Actuators B: Chemical

External Links

Snippet

Ac complex impedance measurement has been used in a mixed system of tin oxide and iron oxide in an attempt to obtain more information about the gas-sensitive mechanism of semiconducting metallic oxide gas sensors. The impedance spectra in air, liquid petroleum …
Continue reading at www.sciencedirect.com (other versions)

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
    • G01N27/121—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 for determining moisture content, e.g. humidity, of the fluid
    • 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
    • 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
    • G01N27/26—Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
    • G01N27/403—Cells and electrode assemblies
    • H—ELECTRICITY
    • H01—BASIC ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
    • H01B1/06—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of other non-metallic substances
    • H01B1/08—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of other non-metallic substances oxides
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by the preceding groups
    • G01N33/0004—Gaseous mixtures, e.g. polluted air
    • G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
    • G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
    • G01N33/0036—Specially adapted to detect a particular component

Similar Documents

Publication Publication Date Title
Kong et al. Gas-sensing property and mechanism of CaxLa1− xFeO3 ceramics
Carotta et al. Gas-sensitive electrical properties of perovskite-type SmFeO3 thick films
Montesperelli et al. Sol—gel processed TiO2-based thin films as innovative humidity sensors
Chung et al. Preparation of indium oxide thin film by spin-coating method and its gas-sensing properties
Ansari et al. Grain size effects on H2 gas sensitivity of thick film resistor using SnO2 nanoparticles
Si et al. Fe2O3/ZnO core–shell nanorods for gas sensors
Wang et al. Study on dielectric properties of humidity sensing nanometer materials
Shimizu et al. Improvement of SO2 sensing properties of WO3 by noble metal loading
Wu et al. Highly selective gas sensing properties of partially inversed spinel zinc ferrite towards H2S
Kamble et al. Nanocrystalline nickel ferrite thick film as an efficient gas sensor at room temperature
Chapelle et al. CO2 sensing properties of semiconducting copper oxide and spinel ferrite nanocomposite thin film
Cruccolini et al. Gas adsorption effects on surface conductivity of nonstoichiometric CuO
Gnanasekar et al. Electrical and sensor properties of FeNbO4: a new sensor material
Vaezi et al. Gas sensing behavior of nanostructured sensors based on tin oxide synthesized with different methods
Kapse et al. Nanocrystalline Ni0. 6Zn0. 4Fe2O4: a novel semiconducting material for ethanol detection
Reddy et al. Preparation of Fe2O3 (0.9)–SnO2 (0.1) by hydrazine method: application as an alcohol sensor
Gusmano et al. Humidity-sensitive properties of titania films prepared using the sol-gel process
Kim et al. Thick films of copper-titanate resistive humidity sensor
Bagade et al. Studies on NO2 gas sensing properties of sprayed Co1− xMnxFe2O4 (0≤ x≤ 0.5) spinel ferrite thin films
Stănoiu et al. NO2 sensing properties of Cr2O3 highlighted by work function investigations
Pandey et al. Ag Doped ${\rm WO} _ {3} $ Nanomaterials as Relative Humidity Sensor
Farahani et al. Investigation of room temperature protonic conduction of perovskite humidity sensors
Meena et al. Phase dependent selectivity shifting behavior of Cd2SnO4 nanoparticles based gas sensor towards volatile organic compounds (VOC) at low operating temperature
Grigorieva et al. Synthesis, structure, and sensor properties of vanadium pentoxide nanorods
Herrmann et al. Oxygen gas sensing behavior of nanocrystalline tin oxide prepared by the gas phase condensation method