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Hybridization bandgap induced by an electrical resonance in piezoelectric metamaterial plates

Autor: Nesrine Kherraz, Bruno Morvan, Franck Levassort, Paul Benard, Lionel Haumesser

Publikováno v: Journal of Applied Physics
Journal of Applied Physics, American Institute of Physics, 2018, 123, pp.094901. ⟨10.1063/1.5016496⟩

International audience; We demonstrate numerically and experimentally the opening of a locally resonant bandgap in an active phononic crystal (PC) made of a homogeneous piezoelectric plate covered by a 1D periodic array of thin electrodes connected t

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::63208fb452e31a1868d4b1cac225e121
https://hal.archives-ouvertes.fr/hal-01741376

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Tunability of the band structure of a piezoelectric phononic crystal using electrical negative capacitance

Autor: Bruno Morvan, Sid Ali Mansoura, Bertrand Dubus, Paul Benard, Pierre Maréchal, Anne-Christine Lhadky-Hennion

Publikováno v: 2015 IEEE International Ultrasonics Symposium (IUS).

This work deals with the control of the propagation of ultrasonic waves in a piezoelectric phononic crystal (PC) by mean of electrical negative capacitance charges. In a first step, a theoretical and experimental study of a unit block of the PC const

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::42d74552478396509f5fd1a044a5b9db
https://doi.org/10.1109/ultsym.2015.0052

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Electromechanical hybrid metamaterial for the control of ultrasonic guided waves

Autor: Bruno Morvan, Nesrine Kherraz, Franck Levassort, Lionel Haumesser, Paul Benard

Publikováno v: The Journal of the Acoustical Society of America. 139:2183-2183

Last years, a growing number of research has been devoted to the control of the behavior of Phononic crystals and Metamaterials through for instance tunability of the frequency position and/or width of a band gap. This can be achieved by using active

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::53c02421935987cf058d9ec61e2e50d9
https://doi.org/10.1121/1.4950491

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