Please use this identifier to cite or link to this item: http://hdl.handle.net/10261/19282
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Title: Real-time profile of microcantilevers for sensing applications
Authors: Mertens, Johann, Álvarez, Mar, Tamayo de Miguel, Francisco Javier
Keywords: Organic compounds
Laser beam applications
Adsorption, microsensors
Optical sensors
Issue Date: 28-Nov-2005
Publisher: American Institute of Physics
Abstract: An optical readout technique has been developed for real-time monitoring of the profile of microcantilever arrays for sensing applications. The technique is based on the automated two-dimensional scanning of a laser beam by using voice-coil actuators. Cantilever profiles are obtained with subnanometer resolution and a processing speed of about ten cantilevers per second. The technique is applied for real-time monitoring of the adsorption of the alkylthiol mercaptohexanol in an aqueous environment by using an array of five microcantilevers. Molecular adsorption produces a cantilever strain that significantly differs from the Stoney's model. Main strain changes are strongly located near the cantilever clamping.
Publisher version (URL): http://link.aip.org/link/?APPLAB/87/234102/1
http://dx.doi.org/10.1063/1.2136410
URI: http://hdl.handle.net/10261/19282
ISSN: 0003-6951
???metadata.dc.identifier.doi???: 10.1063/1.2136410
Citation: Applied Physics Letters 87, 234102 (2005)
Appears in Collections:(IMM-CNM) Artículos
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