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Communication dans un congrès

Terahertz technology for biophotonics: a general overview and recent advances in THz spectroscopy toward biology

Romain Peretti

In this conference, we will discuss the advancements in Terahertz (THz) spectroscopy and imaging regarding biophotonics applications. In recent years, THz technology helped various fields, from fundamental physics to industrial process control. THz spectrometers offer a wide spectrum range and high…

SPIE Optical Metrology, Jun 2023, Munich, France. pp.50, ⟨10.1117/12.2675742⟩. ⟨hal-04182612⟩

Communication dans un congrès

Automated and Robotic On-Wafer Probing Station

Cerine Mokhtari, Clément Lenoir, Mohamed Sebbache, Kamel Haddadi

Emergent microwave and millimetre-wave technologies call for new and more accurate characterization techniques. In particular, repeatability of on-wafer calibration and measurements methods must be addressed. In this work, we are presenting the hardware and software development of a new…

2023 IEEE Symposium on Wireless Technology & Applications (ISWTA), Aug 2023, Kuala Lumpur, Malaysia. pp.99-102, ⟨10.1109/ISWTA58588.2023.10249964⟩. ⟨hal-04268605⟩

Article dans une revue

Petroleum Coke Embedded in Cigarette Butts: All Waste-Derived Solar Evaporator for Effective Water Evaporation

Go Inoue, Alexandre Barras, Yunfei Ma, Ning Cao, Alexandre Fadel, Pascal Roussel, Mu Naushad, Sabine Szunerits, Rabah Boukherroub

Solar-driven interfacial evaporation is an eco-friendly solution for tackling the impending water scarcity the world is facing in our century. In this work, a solar-driven interfacial evaporator was prepared from cigarette butts loaded with petroleum coke powder (Filter-PetCoke), a by-product of…

ACS Applied Materials & Interfaces, 2023, 15 (31), pp.37327-37336. ⟨10.1021/acsami.3c04894⟩. ⟨hal-04182755⟩

Article dans une revue

Highly Conductive Tungsten Suboxide Nanotubes

Cécile Huez, Maxime Berthe, Florence Volatron, Jean-Michel Guigner, Dalil Brouri, Lise-Marie Chamoreau, Benoît Baptiste, Dominique Vuillaume, Anna Proust

We demonstrate a high electron conductivity (> 10^2 S/cm and up to 10^3 S/cm) of tungsten suboxide W18O(52.4-52.9)(or equivalently WO(2.91-2.94)) nanotubes (2 to 3 nm in diameter, ca. micrometer long). The conductivity is measured in the temperature range 120 to 300K by a four probe scanning…

Journal of Applied Physics, 2023, 134, pp.134301. ⟨10.1063/5.0170761⟩. ⟨hal-04178947v2⟩

Article dans une revue

Engineering Refractive Index Contrast in Thin Film Barium Titanate-on-Insulator

Yu Cao, Haidong Liang, Hong-Lin Lin, Luo Qi, Ping Yang, Xuanyao Fong, El Hadj Dogheche, Andrew Bettiol, Aaron Danner

Barium titanate-on-insulator has demonstrated excellent vertical optical confinement, low loss, and strong electro-optic properties. To fabricate a waveguide-based device, a region of higher refractive index must be created to confine a propagating mode, one way of which is through dry etching to…

Nano Letters, 2023, 23 (16), pp.7267-7272. ⟨10.1021/acs.nanolett.3c00933⟩. ⟨hal-04182180⟩

Article dans une revue

High Breakdown Voltage GaN Schottky Diodes for THz Frequency Multipliers

G. Di Gioia, E. Frayssinet, M. Samnouni, V. Chinni, P. Mondal, J. Treuttel, X. Wallart, M. Zegaoui, Guillaume Ducournau, Yannick Roelens, Yvon Cordier, Mohamed Zaknoune

Quasi-vertical gallium nitride (GaN) Schottky diodes on silicon carbide (SiC) substrates were fabricated for frequency multiplier applications. The epitaxial structure employed had an n− layer of 590 nm with doping 6.6 × 1016 cm−3, while the n+ layer was 950 nm thick, with doping 2 × 1019 cm−3.…

Journal of Electronic Materials, 2023, 52, pp.5249-5255. ⟨10.1007/s11664-023-10499-3⟩. ⟨hal-04115301⟩

Article dans une revue

Enhanced Alkaline Hydrogen Evolution on Gd1.0/Ndx (x = 0.5, 1.0, 3.0, and 6.0%)-Doped TiO2 Bimetallic Electrocatalysts

Mohammed Alsawat, Naif Ahmed Alshehri, Abdallah Shaltout, Sameh Ahmed, Hanan Al-Malki, Manash Das, Rabah Boukherroub, Mohammed Amin, Mohamed Ibrahim

The work reports a facile synthesis of high thermally stable nanocrystalline anatase TiO2 nanoparticles (NPs) doped with different atomic concentrations (0.5, 1.0, 3.0, and 6.0%) of Gd3+ and Nd3+ ions by a template-free and one-step solvothermal process, using titanium(IV) butoxide as a titanium…

Catalysts, 2023, 13 (8), pp.1192. ⟨10.3390/catal13081192⟩. ⟨hal-04199822⟩

Article dans une revue

Modeling for nonlinear acoustic imaging of an isolated crack via standing waves in a 2D solid

Vladislav Aleshin, Ravi Verma, Kevin Truyaert

AbstractThis paper is concerned with numerical modeling for nondestructive imaging of defects in solids via standing waves excited by a periodic sinewave signal. The stationary solution, purely sinusoidal in an intact sample, contains higher harmonics when damage is present. These harmonics are…

Ultrasonics, 2023, 133, pp.107023. ⟨10.1016/j.ultras.2023.107023⟩. ⟨hal-04107466⟩

Article dans une revue

Polysaccharides, proteins, and synthetic polymers based multimodal hydrogels for various biomedical applications: A review

Anuj Kumar, Ankur Sood, Garima Agrawal, Sourbh Thakur, Vijay Kumar Thakur, Masaru Tanaka, Yogendra Kumar Mishra, Graham Christie, Ebrahim Mostafavi, Rabah Boukherroub, Dietmar Hutmacher, Sung Soo Han

Nature-derived or biologically encouraged hydrogels have attracted considerable interest in numerous biomedical applications owing to their multidimensional utility and effectiveness. The internal architecture of a hydrogel network, the chemistry of the raw materials involved, interaction across…

International Journal of Biological Macromolecules, 2023, 247, pp.125606. ⟨10.1016/j.ijbiomac.2023.125606⟩. ⟨hal-04186707⟩

Article dans une revue

Solid-Electrolyte-Free O3-LixTiS2 Cathode for High-Energy-Density All-Solid-State Lithium-Metal Batteries

Benjamin Hennequart, Michael Deschamps, Ronan Chometon, Bernhard Leube, Romain Dugas, Elisa Quemin, Pierre-Etienne Cabelguen, Christophe Lethien, Jean-Marie Tarascon

Composites made of high-capacity and high-potential LiNixMnyCo1–x–yO2 (NMC) lamellar transition-metal oxides and S-based ionic conductors are primarily used as positive electrodes in all-solid-state batteries (ASSBs). However, NMC coatings are necessary to prevent the chemical reactivity of oxygen…

ACS Applied Energy Materials, 2023, 6 (16), pp.8521-853. ⟨10.1021/acsaem.3c01383⟩. ⟨hal-04187062⟩