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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

An efficient cobalt-nickel phosphate positive electrode for high-performance hybrid microsupercapacitors

Min Li, Chen Jia, Danyu Zhang, Yunyun Luo, Yintao Ma, Guoxi Luo, Libo Zhao, Lu Wang, Zhikang Li, Qijing Lin, Ping Yang, Nan Zhu, Rabah Boukherroub, Zhuangde Jiang

Flexible energy storage devices play significant role in wearable and portable electronics. Herein, a cobalt-nickel phosphate (CoNiP2O7) composite was synthesized on conductive carbon nanotubes (CNTs) substrate by facile one-step electrochemical deposition method, forming a binder-free CoNiP2O7@…

Journal of Energy Storage, 2023, 64, pp.107144. ⟨10.1016/j.est.2023.107144⟩. ⟨hal-04068689⟩

Article dans une revue

Charge-Dependent Flexural Rigidity of a Conductive Polymer Laminate for Bioinspired Non-thermal Compliance Modulation

Yauheni Sarokin, Vadim Becquer, Eric Cattan, Alvo Aabloo, Indrek Must

Material-level stiffness modulation allows for the creation of controllable energy-dissipating structures for auxiliary and training exoskeletons and the manipulation of delicate objects and tissues. These use cases require simple control systems and disfavour thermally driven solutions. Many…

Lecture Notes in Computer Science, 2023, Part of the book series: Lecture Notes in Computer Science, following Conference on Biomimetic and Biohybrid Systems, 14157, pp.109-116. ⟨10.1007/978-3-031-38857-6_8⟩. ⟨hal-05495756⟩

Communication dans un congrès

EME-GAN: A Conditional Generative Adversarial Network based Indoor EMF Exposure Map Reconstruction

Mohammed Mallik, Benjamin Allaert, Angesom Tesfay, Davy Gaillot, Joe Wiart, Laurent Clavier

New wireless communication technologies are developing exponentially. Meanwhile, concerns have arisen about the possible negative health effects of radiofrequency electromagnetic waves. This paper proposes a method based on a conditional generative adversarial network for the mapping of exposure to…, Les nouvelles technologies de communication sans fil se développent de façon exponentielle. Parallèlement des craintes sont apparues concernant de possibles effets délétères des ondes électromagnétiques de type radiofréquence sur la santé. Cet article propose une méthode basée sur un réseau…

29Â Colloque sur le traitement du signal et des image, GRETSI - Groupe de Recherche en Traitement du Signal et des Images, Aug 2023, Grenoble, France. pp.745-748. ⟨hal-04210419⟩

Article dans une revue

Sensor-Location-Specific Joint Acquisition of Peripheral Artery Bioimpedance and Photoplethysmogram for Wearable Applications

Margus Metshein, Anar Abdullayev, Antoine Gautier, Benoit Larras, Antoine Frappe, Barry Cardiff, Paul Annus, Raul Land, Olev Märtens

Background: Cardiovascular diseases (CVDs), being the culprit for one-third of deaths globally, constitute a challenge for biomedical instrumentation development, especially for early disease detection. Pulsating arterial blood flow, providing access to cardiac-related parameters, involves the…

Sensors, 2023, Special Issue Use of Smart Wearable Sensors and AI Methods in Providing P4 Medicine, 23 (16), pp.7111. ⟨10.3390/s23167111⟩. ⟨hal-04195296⟩