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Communication dans un congrès

Development of PZT-based 18 MHz 2D pMUT array with PDMS waveguide

Xu-Bo Wang, Le-Ming He, Wen-Juan Liu, Shu-Ren Song, Wei-Jiang Xu, Qian Cheng, Antoine Riaud, Jun-Yan Ren, Jia Zhou

For high-resolution ultrasonic imaging, an 18 MHz lead zirconate titanate (PZT) based two-dimensional (2D) piezoelectric micromachined ultrasonic transducers (pMUTs) array with polydimethylsiloxane (PDMS) waveguide are developed. The array is composed of 8 x 16 elements with a pitch of 75 mu m and…

IEEE International Ultrasonics Symposium 2020, IUS2020, Sep 2020, Las Vegas, United States. 4 p., ⟨10.1109/IUS46767.2020.9251633⟩. ⟨hal-03322798⟩

Communication dans un congrès

Tunable frequency band structure in photo-responsive elastic metamaterials

A.S. S Gliozzi, M. Miniaci, A. Chiappone, A. Bergamini, F. Bosia, E. Descrovil, E Descrovi

An important issue in the field of elastic metamaterials is that their dynamic properties, such as the band gap frequencies, are typically fixed once the structure has been designed and fabricated. To overcome this limitation, many efforts have been made to conceive materials with adaptive elastic…

14th International Congress on Artificial Materials for Novel Wave Phenomena, Metamaterials'2020, Sep 2020, New York City, NY, United States. pp.245-247, ⟨10.1109/Metamaterials49557.2020.9285030⟩. ⟨hal-03209109⟩

Article dans une revue

Magneto-Electroacoustic Dynamics in a Straintronic Random Access Memory Cell

Vladimir Preobrazhensky, L.M. Krutyansky, Nicolas Tiercelin, Philippe Pernod

The straintronic principle of nonvolatile magnetoelectric random access memory (MELRAM) isattracting attention because of the prospect of achieving ultra-low-power consumption in memory devices onits basis. The mechanism of switching magnetic moments by pulse deformation of elastically coupled mag-…

Pis'ma v Zhurnal Tekhnicheskoi Fiziki / Technical Physics Letters, 2020, 46 (1), pp.38-41. ⟨10.1134/S1063785020010113⟩. ⟨hal-02964497⟩

Communication dans un congrès

On the potentialities of architectured structures for underwater applications

Arthur Terroir, Charles Croënne, Jerome O. Vasseur, Mohamadd Ayad, Rachid Rahouadj, Jean-François Ganghoffer, Anne-Christine Hladky

Due to recent developments in additive manufacturing, architectured metamaterials with specific microstructure are widely studied due to the large range of available designs and corresponding effective properties. In this paper, a periodic structure based on a periodic arrangement designed by F.…

Forum Acusticum, Dec 2020, Lyon, France. pp.1155-1155, ⟨10.48465/fa.2020.0507⟩. ⟨hal-03240274⟩

Communication dans un congrès

Near-field measurement and far-field characterization of a J-band antenna based on an electro-optic sensing

Shintaro Hisatake, Yusuke Tanaka, Cybelle Belem-Gonçalves, Cyril Luxey, Frédéric Gianesello, Guillaume Ducournau, Akihiko Hirata

In this paper, we present a near-field pattern measurement based on an electro-optic sensing at 300 GHz band. The measurement system is based on a self-heterodyne technique and non-polarimetric frequency down-conversion technique. The far-field radiation pattern of a horn antenna calculated from…

14th European Conference on Antennas and Propagation (EuCAP), Mar 2020, Copenhagen, Denmark. paper 9135318, 4 p., ⟨10.23919/EuCAP48036.2020.9135318⟩. ⟨hal-03322801⟩

Communication dans un congrès

On the teaching mode in online course of MEMS fundamental theory

Jinying Zhang, Wei-Jiang Xu, Xianmei Wu, Zhuo Li, Xin Wang, Suhui Yang

Massive offline courses have been transferred to online in higher education reform all over the world. This paper presents a teaching mode integrated with finite element numerical simulation in the fundamental theory study in MEMS (Micro-Electro-Mechanical Systems) online course for the graduate…

International Conference on Teaching, Assessment, and Learning for Engineering (IEEE TALE 2020), Dec 2020, Takamatsu, Japan. ⟨10.1109/TALE48869.2020.9368413⟩. ⟨hal-03322815⟩

Communication dans un congrès

Application of the GPR and ERT methods for non-invasive examination of a flood dike

Tomislaw Golebiowski, Bogdan Piwakowski, Michal Cwiklik

As part of the NAWA-EMMAT project, geophysical surveys were carried out on selected sites in Poland, i.e. on the flood dike and in the surrounding of the concrete water dam. The goal of the surveys was the non-invasive detection of loose zones in the flood dike and fractured zones located in the…

9th Scientific-Technical Conference on E-mobility, Sustainable Materials and Technologies (MATBUD), Oct 2020, Cracow, Poland. pp.01010, ⟨10.1051/matecconf/202032201010⟩. ⟨hal-03322808⟩

Communication dans un congrès

Scanning Acoustic Microscopy versus Colored Picosecond Acoustics to detect interface defects in hybrid wafer bonding

Solene Bossut, Arnaud Devos, S Lhostis, E Deloffre, C Euvrard, F Dettoni, C Chaton

Nowadays, microelectronics is making progress in miniaturization and diversification of chips by 3D integration: dies are stacked together to gain space and performances. The stacking used here is called hybrid bonding [1], as stacked surfaces are heterogeneous: part Cu and part oxide. After the…

Forum Acusticum, Dec 2020, Lyon, France. pp.2553-2554, ⟨10.48465/fa.2020.0878⟩. ⟨hal-03240341⟩

Communication dans un congrès

Proof-of-concept millimeter-wave free-space nondestructive testing implemented on collaborative mobile robots

Bilal Daass, Denis Pomorski, Adem Rouibah, Kamel Haddadi

A proof-of-concept nondestructive testing and Evaluation (NDT&E) technique using millimeter-wave electromagnetic sensing is proposed. The method is based on a free-space millimeter-wave characterization instrumentation interfaced with collaborative mobile robots. In particular, 60 GHz emitter…

International Workshop on Metrology for Industry 4.0 & IoT 2020, MetroInd4.0&IoT 2020, Jun 2020, Roma, Italy. pp.354-359, ⟨10.1109/MetroInd4.0IoT48571.2020.9138237⟩. ⟨hal-03224645⟩

Article dans une revue

Photocurrent deviation from linearity in an organic photodetector due to limited hole transport layer conductivity

J. Euvrard, A. Revaux, A. Kahn, Dominique Vuillaume

It has been demonstrated that p-doped polymer layers are a convenient replacement as hole transport layer (HTL) for the widely used Poly(3,4-ethylenedioxythiophene)-poly(styrenesulfonate) (PEDOT:PSS), yielding comparable photodetection performances at low light intensities. In this work, we aim to…

Organic Electronics, 2020, 76, pp.105450. ⟨10.1016/j.orgel.2019.105450⟩. ⟨hal-03141817⟩