alexa Acoustic sensors utilizing BAWs

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Acoustic sensors utilizing BAWs

Metal oxide film coated BAW sensors find practical application for detection of warfare agents and various gaseous analytes, which is of key importance for anti-terrorism purposes  and health risk assessment during work in industrial areas and factories. The main advantage of QCM, compared to SAW sensors, is the extreme thermal stability (< 1ppm/°C), but the crystal thickness dependent operation frequency leads to lower mechanical robustness at high frequencies.

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