Langasite as Piezoelectric Substrate for Sensors in Harsh Environments: Investigation of Surface Degradation under High-Temperature Air Atmosphere

Autor: Thierry Aubert, Ninel Kokanyan, Omar Elmazria

Publikováno v: Sensors, Vol 21, Iss 17, p 5978 (2021)

Langasite crystals (LGS) are known for their exceptional piezoelectric properties at high temperatures up to 1000 °C and more. In this respect, many studies have been conducted in order to achieve surface acoustic wave (SAW) sensors based on LGS cry

Externí odkaz: https://doaj.org/article/92ea3700694240f69e72eddd8d2882e1

Pushing the Limits of LiNbO3-based High Temperature SAW Sensors

Autor: Jordan Maufay, Ulrich Youbi, Thierry Aubert, Ninel Kokanyan, Sami Hage-Ali, Michel Vilasi, Omar Elmazria

Publikováno v: 2021 IEEE Sensors.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b8fdfa033ab62a8a1f4941be93406a7b
https://doi.org/10.1109/sensors47087.2021.9639644

AlN/Pt/LN-Y128 packageless acoustic wave temperature sensor

Autor: Thierry Aubert, Jaafar Ghanbaja, Cecile Floer, Natalya F. Naumenko, Omar Elmazria, Sami Hage-Ali, Florian Bartoli

Publikováno v: IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control
IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control, Institute of Electrical and Electronics Engineers, 2021, pp.1-1. ⟨10.1109/TUFFC.2021.3057269⟩

Batteryless, wireless, and packageless acoustic wave sensors are particularly desirable for harsh high-temperature environments. In this letter, an acoustic wave sensor based on a lithium niobate (Y + 128° cut, abbreviated LN-Y128) substrate with a

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b640943c5d4cbe86ede3d63f30a454d5
https://hal.archives-ouvertes.fr/hal-03169653/file/IEEE_TUFFC_FLOER_2021_clean_file_for_Xplore.pdf

Elaboration of high-transparency ZnO thin films by ultrasonic spray pyrolysis with fast growth rate

Autor: Sourav Bose, David Horwat, Pascal Boulet, Thomas Gries, Thierry Aubert, Sidi Ould Saad Hamady, Christyves Chevallier, Nicolas Fressengeas, Jean-François Pierson

Publikováno v: Superlattices and Microstructures
Superlattices and Microstructures, Elsevier, 2021, 156, pp.106945. ⟨10.1016/j.spmi.2021.106945⟩

International audience; In this work, ZnO films are deposited by the ultrasonic spray pyrolysis technique on soda lime glass substrates by following a specific design of experiment. The ZnO films are spray deposited using different elaboration parame

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::00183be835f336de104faef111b587bc
https://doi.org/10.1016/j.spmi.2021.106945

Non-leaky longitudinal acoustic modes in ScxAl1-xN/sapphire structure for high-temperature sensor applications

Autor: Omar Elmazria, Natalya F. Naumenko, Thierry Aubert, Jeremy Streque, Florian Bartoli, Philippe Pigeat, Jaafar Ghanbaja

Publikováno v: Applied Physics Letters
Applied Physics Letters, American Institute of Physics, 2019, 115 (8), pp.083502. ⟨10.1063/1.5114871⟩

International audience; Multilayered structures based on wide bandgap nitride piezoelectric thin films are very attractive for high-temperature surface acoustic waves (SAW) sensor applications. In this respect, scandium aluminium nitride (ScAlN) film

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e0d68c5e028d724e7df1d97097ee98f1
https://hal.archives-ouvertes.fr/hal-02272689/document