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Fadel L, Zimmermann C, Dufour I, et al. Coupled determination of gravimetric and elastic effects on two resonant chemical sensors: love wave and microcantilever platforms. IEEE Trans Ultrason Ferroelectr Freq Control. 2005;52(2):297-303
Fadel, L., Zimmermann, C., Dufour, I., Déjous, C., Rebière, D., & Pistré, J. (2005). Coupled determination of gravimetric and elastic effects on two resonant chemical sensors: love wave and microcantilever platforms. IEEE transactions on ultrasonics, ferroelectrics, and frequency control, 52(2), 297-303.
Fadel, Ludivine, et al. "Coupled determination of gravimetric and elastic effects on two resonant chemical sensors: love wave and microcantilever platforms." IEEE transactions on ultrasonics, ferroelectrics, and frequency control vol. 52,2 (2005): 297-303.
Fadel L, Zimmermann C, Dufour I, Déjous C, Rebière D, Pistré J. Coupled determination of gravimetric and elastic effects on two resonant chemical sensors: love wave and microcantilever platforms. IEEE Trans Ultrason Ferroelectr Freq Control. 2005 Feb;52(2):297-303. PMID: 15801317.
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IEEE Trans Ultrason Ferroelectr Freq Control. 2005 Feb;52(2):297-303.

Coupled determination of gravimetric and elastic effects on two resonant chemical sensors: love wave and microcantilever platforms.

IEEE transactions on ultrasonics, ferroelectrics, and frequency control

Ludivine Fadel, Céline Zimmermann, Isabelle Dufour, Corinne Déjous, Dominique Rebière, Jacques Pistré

Affiliations

  1. Laboratoire IXL, Unité Mixte de Recherche 5818 Centre National de la Recherche Scientifique, Ecole Nationale Supérieure d' Electronique, Informatique et Radiocommunications de Bordeaux, Université Bordeaux 1, F-33405 Talence Cedex, France.

PMID: 15801317

Abstract

The objective of this paper is to couple theoretical and experimental results from microcantilevers and Love-wave acoustic devices in order to identify and separate mass loading effects from elastic effects. This is important in the perspective of sensing applications. For that, a thin-film polymer is deposited on both resonant platforms. It is demonstrated that microcantilevers are essentially mass sensitive. They allow one to determine the polymer layer thickness, which is validated by optical profilometry measurements. Then, taking into account this thickness, theoretical modeling and experimental measurements with Love-wave devices permit one to estimate an equivalent elastic shear modulus of the thin-film polymer at high frequency. Results are interesting if one is to fully understand and optimize (bio)chemical sensor responses.

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