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Affichage de 1131 à 1140 sur 16179

Article dans une revue

Present and future of micro-transfer printing for heterogeneous photonic integrated circuits

Gunther Roelkens, Jing Zhang, Laurens Bogaert, Emadreza Soltanian, Maximilien Billet, Ali Uzun, Biwei Pan, Yang Liu, Evangelia Delli, Dongbo Wang, Valeria Bonito Oliva, Lam Thi Ngoc Tran, Xin Guo, He Li, Senbiao Qin, Konstantinos Akritidis, Ye Chen, Yu Xue, Margot Niels, Dennis Maes, Max Kiewiet, Tom Reep, Tom Vanackere, Tom Vandekerckhove, Isaac Luntadila Lufungula, Jasper de Witte, Luis Reis, Stijn Poelman, Ying Tan, Hong Deng, Wim Bogaerts, Geert Morthier, Dries van Thourhout, Bart Kuyken

We present the current state of the art in micro-transfer printing for heterogeneously integrated silicon photonic integrated circuits. The versatility of the technology is highlighted, as is the way ahead to make this technology a key enabler for next-generation photonic systems-on-chip.

APL Photonics, 2024, 9 (1), ⟨10.1063/5.0181099⟩. ⟨hal-04395673⟩

Article dans une revue

Multifunctional semitransparent organic photovoltaics with high-throughput screened infrared reflector

Baozhong Deng, Kaiwen Zheng, Zihan Wang, Luqiao Yin, Hongliang Dong, Chengxi Zhang, Mona Tréguer-Delapierre, Kekeli N'KONOU, Bruno Grandidier, Shenghao Wang, Jianhua Zhang, Tao Xu

Multifunctional semitransparent organic photovoltaics (ST-OPVs) combining power generation, light transparency, and heat rejection have emerged as a promising technology for application in building-integrated photovoltaic systems, but maximizing all of these features simultaneously is challenging.…

ACS Energy Letters, 2024, 9 (3), pp.976-984. ⟨10.1021/acsenergylett.4c00149⟩. ⟨hal-04485009⟩

Article dans une revue

Switchable SAW Resonators and Ladder Filters Composed of Interdigitated Combs

R. Alcorta Galván, Charles Croënne, Bertrand Dubus, B. Loiseaux, E. Eustache, M. Bertrand, A.-C. Hladky-Hennion

This work presents the development of switchable SAW resonators fabricated on a LiNbO3 substrate, which use the Electrical Bragg Bandgap concept to control the resonance frequency. The modification of the electrical condition of electrode arrays shifts their bandgap center frequency which in turn…

IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control, In press, ⟨10.1109/TUFFC.2024.3441531⟩. ⟨hal-04675770⟩

Article dans une revue

1200-V Fully Vertical GaN-on-Silicon p-i-n Diodes With Avalanche Capability and High On-State Current Above 10 A

Youssef Hamdaoui, Sondre Michler, Adrien Bidaud, Katir Ziouche, Farid Medjdoub

<div xmlns="http://www.tei-c.org/ns/1.0"><p>We report on fully vertical GaN-on-Silicon P-i-N diodes delivering above 1200 V soft breakdown voltage. Temperature dependence measurements indicate avalanche breakdown capability reflecting the high-quality processing and epitaxy…

IEEE Transactions on Electron Devices, 2024, pp.1-6. ⟨10.1109/TED.2024.3496440⟩. ⟨hal-04797737⟩

Article dans une revue

Correlation between Electrochemical Relaxations and Morphologies of Conducting Polymer Dendrites

Antoine Baron, Enrique H Balaguera, Sébastien Pecqueur

Conducting Polymer Dendrites (CPD) can engrave sophisticated patterns of electrical interconnects in their morphology with low-voltage spikes and few resources: they may unlock in operando manufacturing functionalities for electronics using metamorphism conjointly with electron transport as part of…

ECS Advances, 2024, 3 (4), pp.044001. ⟨10.1149/2754-2734/ad9bcb⟩. ⟨hal-04850141⟩

Article dans une revue

Tilted columnar metal film as transducer of transverse coherent acoustic phonons in picosecond acoustics

A. Chargui, N. Martin, G. Ferro, Arnaud Devos

Picosecond acoustics has been widely used to study thin film elasticity, hypersound attenuation, and adhesion of thin films to substrates. A major limitation of the technique is its restriction to only longitudinal waves. Although work has been reported on the ultrafast generation and detection of…

Applied Physics Letters, 2024, 125 (19), pp.192202. ⟨10.1063/5.0228331⟩. ⟨hal-04774895⟩

Article dans une revue

Single-Channel Imaging at Low Sampling Rates

Salah Skitioui, Cyril Decroze, Ettien Kpre, Christophe Gaquière, Okan Yurduseven, Thomas Fromenteze

This study introduces a method for single-channel imaging at low sampling rates, utilizing Frequency-Modulated Continuous Wave radar combined with space-frequency multiplexing. This approach significantly reduces system complexity and data acquisition demands by encoding scene reflectivity into a…

IEEE Antennas and Wireless Propagation Letters, 2024, pp.1-5. ⟨10.1109/LAWP.2024.3409195⟩. ⟨hal-04614410⟩

Article dans une revue

Boosting the performances of semitransparent organic photovoltaics via synergetic near-infrared light management

Tao Xu, Baozhong Deng, Kaiwen Zheng, Hongyu Li, Zihan Wang, Yunbo Zhong, Chengxi Zhang, Gaëtan Lévêque, Bruno Grandidier, Renaud Bachelot, Mona Tréguer-Delapierre, Yabing Qi, Shenghao Wang

Semitransparent organic photovoltaics (ST‐OPVs) offer promising prospects for application in building‐integrated photovoltaic systems and greenhouses, but further improvement of their performance faces a delicate trade‐off between the two competing indexes of power conversion efficiency (PCE) and…

Advanced Materials, 2024, 36 (18), pp.2311305. ⟨10.1002/adma.202311305⟩. ⟨hal-04465431⟩

Article dans une revue

TileChain: A Blockchain-Based Framework for Security Service Management For Vehicular Communications

Ahmed Didouh, Anthony Bahadir Lopez, Houda Labiod, Yassin El Hillali, Atika Rivenq, Mohammad Abdullah Al Faruque

Vehicular communications have become essential for functional and road safety purposes due to the development of vehicle fleets. However, these communications have made vehicles more vulnerable to cyber-attacks. The security of data exchanges in vehicular networks currently relies on a centralized…

IEEE Transactions on Vehicular Technology, 2024, pp.1-17. ⟨10.1109/TVT.2024.3358784⟩. ⟨hal-04465353⟩

Article dans une revue

Three‐dimensional multiscale assembly of phyllosilicates, organics, and carbonates in small Ryugu fragments

Zelia Dionnet, Stefano Rubino, Alice Aléon-Toppani, Rosario Brunetto, Akira Tsuchiyama, Cateline Lantz, Zahia Djouadi, Donia Baklouti, Tomoki Nakamura, Ferenc Borondics, Christophe Sandt, Eva Héripré, David Troadec, Obadias Mivumbi, Jérome Aléon, Theo Ternier, Megumi Matsumoto, Kana Amano, Tomoyo Morita, Hisayoshi Yurimoto, Takaaki Noguchi, Ryuji Okazaki, Hikaru Yabuta, Hiroshi Naraoka, Kanako Sakamoto, Shogo Tachibana, Toru Yada, Masahiro Nishimura, Aiko Nakato, Akiko Miyazaki, Kasumi Yogata, Masanao Abe, Tatsuaki Okada, Tomohiro Usui, Makoto Yoshikawa, Takanao Saiki, Satoshi Tanaka, Fuyuto Terui, Satoru Nakazawa, Seiichiro Watanabe, Yuichi Tsuda

We report μm‐scale nondestructive infrared (IR) hyperspectral results (IR computed tomography, IR‐CT) in 3‐D and IR surface imaging, IR‐S) in 2‐D, at SOLEIL) combined with X‐ray nano‐computed tomography analyses (at SPring‐8) performed on eight small Ryugu fragments extracted from mm‐sized grains…

Meteoritics and Planetary Science, 2024, 59 (8), pp.1859-1876. ⟨10.1111/maps.14068⟩. ⟨hal-04243762⟩