Publicaciones

• Article dans une revue

Thermal conductivity and transport modes in glassy GeTe 4 by first-principles molecular dynamics

Thuy-Quynh Duong, Carlo Massobrio, Guido Ori, Mauro Boero, Évelyne Martin

First principles molecular dynamics is employed to investigate thermal transport in glassy GeTe4, a subsystem of several ternary phase-change materials. As a first result, we found modes localized on a few atoms in the vibrational density of states. The thermal transport is further rationalized by...

Physical Review Materials, 2019, 3 (10), ⟨10.1103/PhysRevMaterials.3.105401⟩. ⟨hal-02312816⟩

• Article dans une revue

Hybrid color MRI image compression by level set method and quincunx wavelet

Imane Haouam, Mohammed Beladgham, Abdelmalik Taleb-Ahmed

In recent years, researchers have increasinglytargeted the development of hybrid systems to improve thequality of the compressed image. Hybrid methods arecombinations of several techniques that take into account theadvantages and disadvantages of it, in order to obtain a betterimage quality with a...

International Journal of Computer Science and Information Technology, 2019. ⟨hal-03574660⟩

• Article dans une revue

3D FEM analysis of high-frequency AlN-based PMUT arrays on cavity SOI

Wen-Juan Liu, Leming He, Xubo Wang, Jia Zhou, Wei-Jiang Xu, Nikolay Smagin, Malika Toubal, Hao Yu, Yuandong Gu, Jinghui Xu, Denis Remiens, Junyan Ren

This paper presents three-dimensional (3D) models of high-frequency piezoelectric micromachined ultrasonic transducers (PMUTs) based on the finite element method (FEM). These models are verified with fabricated aluminum nitride (AlN)-based PMUT arrays. The 3D numerical model consists of a...

Sensors, 2019, 19 (20), pp.4450. ⟨10.3390/s19204450⟩. ⟨hal-03133847⟩

• Communication dans un congrès

[Invited] Optimization of quasi-periodically ribbed structures to improve stealth and discreteness of underwater vehicles

Bertrand Dubus, Charles Croënne, Samuel Deleplanque, Anne-Christine Hladky

Acoustic stealth and discreteness of underwater vehicles are important issues in underwater acoustics. These vehicles are constituted of shells which are periodically reinforced by ribs. Acoustic fields radiated or scattered by such structures are strongly affected by phenomena related to this...

178th Meeting of the Acoustical Society of America, Dec 2019, San Diego, CA, United States. paper 2aPA3, 2828-2828, ⟨10.1121/1.5136797⟩. ⟨hal-03209108⟩

• Article dans une revue

Measurement of Self-Heating Temperature in AlGaN/GaN HEMTs by Using Cerium Oxide Micro-Raman Thermometers

G. Brocero, Y. Guhel, P. Eudeline, J. Sipma, C. Gaquiere, B. Boudart

IEEE Transactions on Electron Devices, 2019, 66 (10), pp.4156-4163. ⟨10.1109/TED.2019.2935335⟩. ⟨hal-04408061⟩

• Article dans une revue

Investigation of cross-coupling in piezoelectric transducer arrays and correction

Abdelmajid Bybi, Sébastien Grondel, Ahmed Mzerd, Christian Granger, Mohammed Garoum, Jamal Assaad

Cross-coupling in piezoelectric transducer arrays is an undesirable phenomenon which decreases the performance of these devices. Indeed, when one element of a transducer is driven, it generates parasitic displacement fields at the radiating surfaces of the neighboring elements, which changes the...

International Journal of Engineering and Technology Innovation, 2019, 9 (4), pp.287-301. ⟨hal-03148965⟩

• Communication dans un congrès

[Invited] Carbon Dots: Preparation, characterization and applications

Rabah Boukherroub

Research Seminar, The International Center of Biodynamics, Oct 2019, Bucarest, Romania. ⟨hal-04619265⟩

• Article dans une revue

Phytic acid-doped polyaniline nanofibers-clay mineral for efficient adsorption of copper (II) ions

Monaam Ben Ali, Fengyun Wang, Rabah Boukherroub, Wu Lei, Mingzhu Xia

Journal of Colloid and Interface Science, 2019, 553, pp.688-698. ⟨10.1016/j.jcis.2019.06.065⟩. ⟨hal-02368012⟩

• Article dans une revue

Low‐loss broadband (DC to 220 GHz) S‐CPW to S‐CPS transition for S‐CPS coplanar probing

Abdelhalim Saadi, Marc Margalef-Rovira, L. Vincent, Sylvie Lepilliet, Christophe Gaquière, Philippe Ferrari

The practical issue of probing coplanar stripline (CPS) structures is addressed in this Letter. A compact slow-wave coplanar waveguide (S-CPW) to slow-wave CPS (S-CPS) transition was designed and fabricated in a 55 nm BiCMOS process of STMicroelectronics. The signal strips of the slow-wave CPW and...

Electronics Letters, 2019, 55 (21), pp.1137-1139. ⟨10.1049/el.2019.2377⟩. ⟨hal-03133346⟩

• Article dans une revue

Passive guided wave tomography for structural health monitoring

Tom Druet, Arnaud Recoquillay, Bastien Chapuis, Emmanuel Moulin

In this paper is presented a baseline-free quantitative method for imaging corrosion flaws in thin plates. It only requires an embedded guided wave sensor network used in a fully passive way, i.e. without active emission of waves. This method is called passive guided waves to-mography. The aim of...

Journal of the Acoustical Society of America, 2019, 146 (4), pp.2395-2403. ⟨10.1121/1.5128332⟩. ⟨cea-02975905⟩