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preface
about the editor
contributors
1 numerical simulation of electrical responses to gases in advanced structures
a.setkus
1 introduction
2 analytic and numeric modeling
2.1 basic equations
2.2 analytical approaches
2.3 numerical simulations
2.4 verification of models
3 resistive sensors
3.1 introductory remarks
3.2 polycrystalline films
3.3 nanostructured films
3.4 conductive polymer layers
3.5 molecular structures
4 concluding comments
references

2 co-adsorption processes and quantum mechanical modeling of gas-sensing effects
j-j.velasco velez
1 introduction
2 solid-gas interaction
2.1 adsorption
2.2 chemisorption
2.3 electronic transitions in chemisorption
2.4 chemisorption in equilibrium, "wolkenstein" isotherm
2.5 reaction time
2.6 charge transfer model £¨ctm£©
3 co-adsorption
3.1 quantummodel
3.2 statisticalmodel
3.3 adsorptiontime
4 discussion
5 summary
6 nomenclature
dedication
acknowledgment
references

3 nanosensors: a platform to model the sensing mechanisms in metal oxides
f.hemandez-ramirez
j.d.prades
a.cirera
1 introduction
2 toward a better description of gas-sensing mechanisms in
metal oxides: oxygen diffusion in tin dioxide nanowires
2.1 description of oxygen sensing using diffusion
2.2 summary
3 toward a systematic understanding of photo-activated gas sensors
3.1 experimental background 1i
3.2 theoretical model of the photo-activated response to oxidizing gases £¨no2£©
3.3 comparison with experiments
3.4 other target gases
3.5 summary
4 conclusions
acknowledgments
references
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4 sureace state models for conductance response of metal oxide gas sensors during thermal transients
5 conductance transient analysesof metal oxide gas sensors on the example of spinel ferrite gas sensors