A micro-electro-mechanical accelerometer based on gallium nitride on silicon

Autor: C. Morelle, D. Théron, I. Roch-Jeune, P. Tilmant, E. Okada, F. Vaurette, B. Grimbert, J. Derluyn, S. Degroote, M. Germain, M. Faucher

Publikováno v: Applied Physics Letters
Applied Physics Letters, 2023, 122 (3), pp.033502. ⟨10.1063/5.0127987⟩

International audience; We report on an accelerometer micro-sensor based on epitaxial gallium nitride and silicon. The device is a vibrating beam accelerometer fabricated with a micro-electro-mechanical-system technology starting from an AlGaN/GaN he

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::811eb8872613848528d11b24ba8a8f85
http://hdl.handle.net/20.500.12210/80829

Development of a Reference Wafer for On-Wafer Testing of Extreme Impedance Devices

Autor: I. Roch-Jeune, Chong Li, Haris Votsi, Peter H. Aaen, Kamel Haddadi, Nick M. Ridler, Gilles Dambrine

Publikováno v: 88th ARFTG Microwave Measurement Symposium, ARFTG 2016
88th ARFTG Microwave Measurement Symposium, ARFTG 2016, Dec 2016, Austin, United States. 4 p., ⟨10.1109/ARFTG.2016.7839719⟩

International audience; This paper describes the design, fabrication, and testing of an on-wafer substrate that has been developed specifically for measuring extreme impedance devices using an on-wafer probe station. Such devices include carbon nano-

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b9627cf49c0ca6de15907d69d6e34405
https://surrey.eprints-hosting.org/813783/

Epitaxial GaAs for X-ray imaging

Autor: O. Gilard, Andrea Balocchi, S. Makham, I. Roch-Jeune, J. Härtwig, G.C. Sun, X.Y. Zhang, J. Baruchel, C. Ponchut, Xavier Marie, R. Gohier, J.C. Bourgoin, F. Masiello, J.C. Pesant, R. Rao

Publikováno v: Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 2011, 633 (1), pp.S65-S68. ⟨10.1016/j.nima.2010.06.123⟩
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Elsevier, 2011, 633 (1), pp.S65-S68. ⟨10.1016/j.nima.2010.06.123⟩

11th International Workshop on Radiation Imaging Detectors, Czech Technical Univ, Inst Experimental & Applied Phys, Prague, CZECH REPUBLIC, JUN 29-JUL 03, 2009; International audience; To be used for X-ray imaging, semiconductor materials must exhibi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e58bdf5c3dee01cf7001f291feee70e1
https://hal.science/hal-01233828

Picosecond ultrasonic investigations of phonons in 2D nano-scaled lattices

Autor: Jean-François Robillard, I. Roch-Jeune, Arnaud Devos

Publikováno v: Journal of Physics: Conference Series
Journal of Physics: Conference Series, IOP Publishing, 2007, 92, pp.012027-1-4. ⟨10.1088/1742-6596/92/1/012027⟩
Journal of Physics: Conference Series, 2007, 92, pp.012027-1-4. ⟨10.1088/1742-6596/92/1/012027⟩

We time-resolved the acoustical response of lattices of aluminum nano-dots with a step of a few hundreds nanometers using tunable femtosecond laser pulses in a pump and probe scheme. We detected two kinds of modes, the first being the individual mode

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::854704f6d3cd6370f8e611bcba22d534
https://hal.archives-ouvertes.fr/hal-00285623

Individual and collective vibrational modes of nanostructures studied by picosecond ultrasonics

Autor: Jean-François Robillard, Bernard Perrin, Laurent Belliard, Arnaud Devos, I. Roch-Jeune, T. Bienville

Publikováno v: Ultrasonics
Ultrasonics, 2006, 44, pp.1289-1294
Ultrasonics, Elsevier, 2006, 44, pp.1289-1294
Proceedings of the 2005 World Congress on Ultrasonics
2005, ThDpm1-08
HAL

International audience; We report on picosecond ultrasonic measurements obtained on aluminum and platinum nanostructures with variable dot size and lateral periodicity which realized a 2D phononic crystal. Performing investigations at different resol

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ac935c53032f584bcf8256007749fab2
https://hal.science/hal-00147507