Planar Microstrip Ring Resonators for Microwave-Based Gas Sensing: Design Aspects and Initial Transducers for Humidity and Ammonia Sensing. - Andreas Bogner; Carsten Steiner; Stefanie Walter; Jaroslaw Kita; Gunter Hagen; Ralf Moos (Sensors, 2017)

Catalyst State Diagnosis of Three-Way Catalytic Converters Using Different Resonance Parameters - A Microwave Cavity Perturbation Study. - Carsten Steiner; Vladimir Malashchuk; David J. Kubinski; Gunter Hagen; Ralf Moos (Sensors, 2019)

Determination of the Dielectric Properties of Storage Materials for Exhaust Gas Aftertreatment Using the Microwave Cavity Perturbation Method. - Carsten Steiner; Stefanie Walter; Vladimir Malashchuk; Gunter Hagen; Iurii Kogut; Holger Fritze; Ralf Moos (Sensors, 2020)

Mixing Rules for an Exact Determination of the Dielectric Properties of Engine Soot Using the Microwave Cavity Perturbation Method and Its Application in Gasoline Particulate Filters. - Stefanie Walter; Peter Schwanzer; Carsten Steiner; Gunter Hagen; Hans-Peter Rabl; Markus Dietrich; Ralf Moos (Sensors, 2022)

Resistive, Temperature-Independent Metal Oxide Gas Sensor for Detecting the Oxygen Stoichiometry (Air-Fuel Ratio) of Lean Engine Exhaust Gases. - Carsten Steiner; Simon Püls; Murat Bektas; Andreas Müller 011; Gunter Hagen; Ralf Moos (Sensors, 2023)

Resistive Multi-Gas Sensor for Simultaneously Measuring the Oxygen Stoichiometry (λ) and the NOx Concentration in Exhausts: Engine Tests under Dynamic Conditions. - Carsten Steiner; Thomas Wöhrl; Monika Steiner; Jaroslaw Kita; Andreas Müller 011; Hessam Eisazadeh; Ralf Moos; Gunter Hagen (Sensors, 2023)

Microwave-Based State Diagnosis of Three-Way Catalysts: Impact Factors and Application Recommendations. - Carsten Steiner; Vladimir Malashchuk; David J. Kubinski; Gunter Hagen; Ralf Moos (Sensors, 2024)