Device for the volumetric analysis of an organic or inorganic sample
Abstract:
An acoustic analysis device based on atomic force microscopy for the volume analysis of an organic or inorganic sample includes a support on which the sample is immobilized, and an atomic force microscopy lever having a free end provided with a part that interacts with an upper face of the sample and scans said upper face, one or at least two of the independent piezoelectric actuators supplying ultrasonic waves with interferential coupling, and acoustic measurement and analysis bodies associated with the atomic force microscopy lever. The support is a total reflection prism to which the piezoelectric actuators are applied, and the piezoelectric actuators are applied in determined positions on said prism in order to define determined angles of excitation of the ultrasonic waves.
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