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The gasochromic performance of WO3 nanotextured thin films coated with catalytic Pd or Pt layers were investigated for low concentration H2 sensing. The 25?? thick catalytic metals were deposited onto 200nm thick sputtered WO3 films. It was found that the Pd/WO3 thin films show superior gasochromic response when compared with Pt/WO3 thin films. Integrating the absorbance change over a range of visible...
Interest in nanowires of metal oxide oxides has been exponentially growing in the last years, due to the attracting potential of application in electronic, optical and sensor field. We have focused our attention on the sensing properties of semiconducting nanowires as conductometric and optical gas sensors. Single crystal tin dioxide nanostructures were synthesized to explore and study their capability...
A two dimensional finite element model has been developed for the simulation of a layered flexural plate wave device using the ANSYS package. The simulated device consists of a 2.0 mum silicon nitride thin film, followed by a 0.4 mum aluminum ground layer. A 0.6 mum zinc oxide piezoelectric layer was defined to excite acoustic waves. Good agreement of device frequency response and displacement profiles...
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