Traversa et al., 1998 - Google Patents

Influence of the electrode materials on the electrical response of ZnO-based contact sensors

Traversa et al., 1998

View PDF
Document ID
136773930156827895
Author
Traversa E
Bearzotti A
Miyayama M
Yanagida H
Publication year
Publication venue
Journal of the European Ceramic Society

External Links

Snippet

The sensitivity to CO and H2 of heterocontacts between p-type La2CuO4 and n-type ZnO semiconducting oxides, and the humidity sensitivity of Au ZnO heterocontacts have been studied. Heterocontacts were prepared by mechanically pressing sintered pellets of the two …
Continue reading at www.academia.edu (PDF) (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
    • G01N27/122—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
    • 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
    • G01N33/0054—Specially adapted to detect a particular component for ammonia
    • 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
    • G01N27/125—Composition of the body, e.g. the composition of its sensitive layer
    • 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
    • G01N27/26—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
    • G01N27/406—Cells and probes with solid electrolytes
    • G01N27/407—Cells and probes with solid electrolytes for investigating or analysing gases
    • G01N27/4073—Composition or fabrication of the solid electrolyte
    • 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
    • G01N33/005—Specially adapted to detect a particular component for H2

Similar Documents

Publication Publication Date Title
Traversa et al. A novel humidity-detection mechanism for ZnO dense pellets
Sharma et al. Recent advances on H2 sensor technologies based on MOX and FET devices: A review
Tianshu et al. Selective detection of ethanol vapor and hydrogen using Cd-doped SnO2-based sensors
Traversa Design of ceramic materials for chemical sensors with novel properties
US5362975A (en) Diamond-based chemical sensors
Comini et al. Stable and highly sensitive gas sensors based on semiconducting oxide nanobelts
Moseley Materials selection for semiconductor gas sensors
Basu et al. Modified heterojunction based on zinc oxide thin film for hydrogen gas-sensor application
Aygün et al. Hydrogen sensitivity of doped CuO/ZnO heterocontact sensors
Srivastava et al. Sensing mechanism in tin oxide-based thick-film gas sensors
Moseley New trends and future prospects of thick-and thin-film gas sensors
De Angelis et al. Selectivity and stability of a tin dioxide sensor for methane
Neri et al. A highly sensitive oxygen sensor operating at room temperature based on platinum-doped In 2 O 3 nanocrystals
Azad et al. Behavior of a New ZrO2‐MoO3 Sensor for Carbon Monoxide Detection
Lin et al. Zinc Oxide Varistor Gas Sensors: I, Effect of Bi2O3 Content on the H2‐Sensing Properties
Traversa et al. Study of the conduction mechanism of La2CuO4—ZnO heterocontacts at different relative humidities
Nomura et al. Gas sensitivity of metal oxide mixed tin oxide films prepared by spray pyrolysis
Traversa et al. Influence of the electrode materials on the electrical response of ZnO-based contact sensors
Patil et al. Ammonia Sensing Resistors Based on ${\rm Fe} _ {2}{\rm O} _ {3} $-Modified ZnO Thick Films
Traversa et al. Gas sensitivity of ZnO/La2CuO4 heterocontacts
Ratna Phani et al. Effect of additives on the response of sensors utilizing semiconducting oxide on carbon monoxide sensitivity
Reddy et al. Room Temperature Hydrogen Sensor Based on SnO2: La2 O 3
De Angelis et al. Sensitivity and selectivity of a thin-film tin oxide gas sensor
Yamamoto et al. The effect of reducing gases on the conductivities of metal oxide semiconductors
Kumar et al. Cobalt Doped SnO^ sub 2^ Thick Film Gas Sensors: Conductance and Gas Response Characteristics for LPG and CNG Gas