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This textbook covers key aspects of applying surface acoustic waves (SAW) in gas sensors, presenting fundamental operating principles, theoretical models, research methodologies, and sensor structures in a clear and accessible manner. It discusses single, bilayer, and multilayer sensor structures, along with a detailed theoretical description of the acoustoelectrical effect in bilayer sensors. Special attention is given to semiconductor-metal bilayer structures, such as phthalocyanine-palladium and tungsten oxide-palladium, due to their strong potential for practical applications in SAW hydrogen sensors. The book also explores future applications and research directions, including advancements in light-activated photoconductive polymer structures.
List of contents
Chapter1. Introduction.- Chapter2. SAW gas sensors.- chapter3. Theoretical models of SAW sensors operation.- Chapter4. Methodology of SAW gas sensor investigations.- Chapter5. Investigations of selected SAW-based sensor structures.- chapter6. Summary.
About the author
Wiesław Jakubik is a researcher at the Institute of Physics, Silesian University of Technology (SUT), Gliwice, Poland. His research focuses on bi-layer sensor structures with Surface Acoustic Waves (SAW) for gas sensing, acoustoelectric interactions in SAW-based sensors, and the development of new sensor materials.
Summary
This textbook covers key aspects of applying surface acoustic waves (SAW) in gas sensors, presenting fundamental operating principles, theoretical models, research methodologies, and sensor structures in a clear and accessible manner. It discusses single, bilayer, and multilayer sensor structures, along with a detailed theoretical description of the acoustoelectrical effect in bilayer sensors. Special attention is given to semiconductor-metal bilayer structures, such as phthalocyanine-palladium and tungsten oxide-palladium, due to their strong potential for practical applications in SAW hydrogen sensors. The book also explores future applications and research directions, including advancements in light-activated photoconductive polymer structures.
