Dimensional and mechanical characterization of metallic thin films based on the measurement of surface acoustic waves dispersion with Slant Stack transform

Autor: Nikolay Smagin, Tahar Kadi, Bogdan Piwakowski, Frédéric Jenot, Dame Fall, Mohammadi Ouaftouh, Marc Duquennoy

Publikováno v: Measurement Science and Technology
Measurement Science and Technology, 2020, 31 (10), pp.105009. ⟨10.1088/1361-6501/ab94fe⟩
Measurement Science and Technology, IOP Publishing, 2020, 31 (10), pp.105009. ⟨10.1088/1361-6501/ab94fe⟩

International audience; In this study, an ultrasonic method for characterizing thin films based on the dispersion of the first Rayleigh mode is presented. The principle of surface acoustic waves (SAW) generation using a broadband transducer and their

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3930468b99450104a296fcf2f0794755
https://hal.science/hal-03182118

Development of a dual temporal-spatial chirp method for the generation of broadband surface acoustic waves

Autor: Nikolay Samgin, Mohammadi Ouaftouh, Farouk Benmeddour, Dame Fall, Marc Duquennoy, Frédéric Jenot, Bogdan Piwakowski, Salah-Eddine Hebaz

Publikováno v: 175th Meeting of the Acoustical Society of America
175th Meeting of the Acoustical Society of America, May 2018, Minneapolis, MN, United States. ⟨10.1121/1.5036050⟩
Journal of the Acoustical Society of America
Journal of the Acoustical Society of America, Acoustical Society of America, 2018, 143 (3), pp.1843-1843. ⟨10.1121/1.5036050⟩
Journal of the Acoustical Society of America, 2018, 143 (3), pp.1843-1843. ⟨10.1121/1.5036050⟩

3aPA1; International audience; This study deals with the optimization of transducers for Rayleigh-type Surface Acoustic Waves (SAW) generation. These transducers are based on Interdigital Transducers (IDT) and are specifically developed to characteri

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d7dc795049b47b71b772aaa969711e63
https://uphf.hal.science/hal-03595633

Optimization of interdigital transducers for the generation of surface acoustic waves over a large bandwidth (20-125 MHz)

Autor: Mohammadi Ouaftouh, Dame Fall, Marc Duquennoy, Nikolay Smagin, Bogdan Piwakowski, Frédéric Jenot

Publikováno v: Sensors and Actuators A: Physical
Sensors and Actuators A: Physical, Elsevier, 2018, 273, pp.303-310. ⟨10.1016/j.sna.2018.03.002⟩
Sensors and Actuators A: Physical, 2018, 273, pp.303-310. ⟨10.1016/j.sna.2018.03.002⟩

JIF=2.739; International audience; In this paper, wideband interdigital transducers (IDT) to excite surface acoustic waves (SAW) have been developed and optimized. Three spatial chirp configurations were studied in order to cover a large bandwidth ra

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::191a89322f314d49cb0d8fe37521a364
https://hal.archives-ouvertes.fr/hal-03183481

Fast time-domain laser Doppler vibrometry characterization of surface acoustic waves devices

Autor: Meddy Vanotti, Etienne Herth, Lyes Djoumi, Nikolay Smagin, Mohammadi Ouaftouh, Virginie Blondeau-Patissier, Marc Duquennoy, Dame Fall

Publikováno v: Sensors and Actuators A: Physical
Sensors and Actuators A: Physical, Elsevier, 2017, 264, pp.96--106. ⟨10.1016/j.sna.2017.07.035⟩
Sensors and Actuators A: Physical, 2017, 264, pp.96--106. ⟨10.1016/j.sna.2017.07.035⟩

JIF=2.311; International audience; This paper explores experiments and an in-depth analysis of surface acoustic waves (SAW) imaging using scanning laser Doppler vibrometry. Optical measurements allow visualization of wave propagation and resonance pa

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f2597e934794da7bba484350935432fd
https://hal.archives-ouvertes.fr/hal-02392694

Surface acoustic wave characterization of optical sol-gel thin layers

Autor: Bogdan Piwakowski, Philippe Belleville, Frédéric Jenot, François Compoint, Mohammadi Ouaftouh, Hervé Piombini, Marc Duquennoy, Dame Fall, Chrystel Ambard

Publikováno v: Ultrasonics
Ultrasonics, 2016, 68, pp.102-107. ⟨10.1016/j.ultras.2016.02.006⟩

International audience; Controlling the thin film deposition and mechanical properties of materials is a major challenge in several fields of application. We are more particularly interested in the characterization of optical thin layers produced usi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2f2b27847594fcde87e7d852062a5a51
https://hal.science/hal-03810583