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Articles by Luyu Wang
Hydration-induced strengthening and progressive failure of grouted sandstone under water immersion
Abstract Water immersion commonly causes mechanical weakening and deterioration of intact sandstone, whereas the continued hydration of cementitious grout may induce a contrasting strengthening response in grouted sandstone. To quantify this distinct water–grout interaction, cyan sandstone specimens with a central grouting structure were prepared and subjected to uniaxial compression tests coupled with digital image correlation (DIC) observations after immersion for 0, 5, 10, 15, and 20 days.
Minimalist terahertz wireless transceiver in integrated photonics
Abstract Photonics-assisted wireless communication provides a powerful pathway for next-generation infrastructures, offering ultra-wide bandwidth and high spectral agility. Despite extensive research and commercial adoption of photonics-assisted schemes such as radio-over-fiber in base station scenarios, their implementation in space-constrained and power-sensitive end devices remains highly challenging.
Integrated photonics enabling ultra-wideband fibre–wireless communication - Nature
Abstract Telecommunication systems are evolving towards ultrawide bandwidth and low latency, supporting wired and wireless links and their non-blocking interconnection1. However, a long-standing bandwidth mismatch between fibre communication and its wireless counterpart arises from fundamental disparities in signal architectures and hardware constraints2,3, which prevent high-speed and compatible transmission across the two domains.
Modified uni-travelling-carrier photodiodes with 206 GHz bandwidth and 0.81 A W−1 external responsivity - Nature Photonics
A Unified Bond‐Based Peridynamic Model With Insights Into High‐Frequency Elastodynamic Problems in Geotechnical and Structural Engineering
Data Availability Statement The data that support the findings of this study are available from the corresponding author upon reasonable request.
Radiative properties of firefighter helmets: Effect of color and soot deposition on thermal performance
During rescue operations, firefighters are exposed to a number of different types of fire hazards: smoke toxicity, radiative heat fluxes emitted by smoke/fire/hot walls, up to 30 kW/m2 for usual operations [1], smoke convective heat fluxes, etc. Their protective equipment ensures that they are protected during the work phase and also in the event of a thermal accident such as flash-over or backdraft (the radiative heat flux can reach up to 200 kW/m2 for a flashover or backdraft situation [2]).
A chip-integrated comb-based microwave oscillator - Light: Science & Applications
Abstract Low-noise microwave oscillators are cornerstones for wireless communication, radar and clocks. The employment and optimization of optical frequency combs have enabled photonic microwave synthesizers with unrivalled noise performance and bandwidth breaking the bottleneck of those electronic counterparts. Emerging interest is to use chip-based Kerr frequency combs, namely microcombs.
Trimethylamine sensor based on zinc hydroxystannate cubes for long-term evaluation of the freshness of four types of seafood
Trimethylamine sensor based on zinc hydroxystannate cubes for long-term evaluation of the freshness of four types of seafood† The detection of trimethylamine (TMA), a typical gas associated with seafood spoilage, is vital for the immediate evaluation of seafood quality. Nevertheless, conventional identification techniques have proved to be damaging to the sample, costly, and necessitate an extended period for sample preparation.
Hollow NiCo-LDH polyhedrons for 1-second level humidity detection and respiratory monitoring
Hollow NiCo-LDH polyhedrons for 1-second level humidity detection and respiratory monitoring† Humidity sensing, as a promising approach for detecting environmental humidity and respiration patterns, is garnering widespread attention. Here, we present a quartz crystal microbalance (QCM) humidity sensor modified with hollow NiCo-LDH polyhedrons for real-time monitoring of both environmental humidity and human respiration.
Stock Overvaluation, Management Myopia, and Long-Term Firm Performance
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Interpreting correlations in stress‐dependent permeability, porosity, and compressibility of rocks: A viewpoint from finite strain theory
1 INTRODUCTION 1.1 Stress-dependent properties of rock Investigating stress-dependent properties of rock plays a pivotal role in understanding the mechanisms underlying geo-mechanical processes, including hydrology, geophysics, and reservoir engineering.1-3 Exploring the correlations among permeability, porosity, and compressibility under varying stresses provides insights into unraveling the mechanisms behind these processes.4-6 Experiments and analytical models have been developed to...
Hormonal injustice: Environmental toxicants as drivers of endocrine health disparities
Margaret C. Weiss [1] ; Luyu Wang [1] ; Robert M. Sargis [2] [1] Division of Endocrinology, Diabetes, and Metabolism, University of Illinois at Chicago, 835 South Wolcott, Suite E625, M/C 640, Chicago, IL 60612, USA [2] Division of Endocrinology, Diabetes, and Metabolism, University of Illinois at Chicago, 835 South Wolcott, Suite E625, M/C 640, Chicago, IL 60612. Localización: Endocrinology and metabolism clinics of North America, ISSN 0889-8529, Vol. 52, Nº. 4, 2023, págs.
Metal-organic framework-derived metal oxides for resistive gas sensing: a review
Metal–organic framework-derived metal oxides for resistive gas sensing: a review Gas sensors with exceptional sensitivity and selectivity are vital in the real-time surveillance of noxious and harmful gases. Despite this, traditional gas sensing materials still face a number of challenges, such as poor selectivity, insufficient detection limits, and short lifespan.
A Novel Atomic-Level Post-Etch-Surface-Reinforcement Process for High-Performance p-GaN Gate HEMTs Fabrication
Open AccessCommunication by Luyu Wang 1, Penghao Zhang 1, Kaiyue Zhu 2, Qiang Wang 1, Maolin Pan 1, Xin Sun 1, Ziqiang Huang 1, Kun Chen 1,3, Yannan Yang 1, Xinling Xie 1, Hai Huang 1, Xin Hu 1, Saisheng Xu 1, Chunlei Wu 1,3, Chen Wang 1,3,*, Min Xu 1,3,* and David Wei Zhang 1,3,* 1 State Key Laboratory of ASIC and System, Shanghai Institute of Intelligent Electronics & Systems, School of Microelectronics, Fudan University, Shanghai 200433, China 2 Imperial College London, London SW7 2AZ, UK...
Non-Buffer Epi-AlGaN/GaN on SiC for High-Performance Depletion-Mode MIS-HEMTs Fabrication
Open AccessArticle by Penghao Zhang 1,†, Luyu Wang 1,†, Kaiyue Zhu 2, Qiang Wang 1, Maolin Pan 1, Ziqiang Huang 1, Yannan Yang 1, Xinling Xie 1, Hai Huang 1, Xin Hu 1, Saisheng Xu 1, Min Xu 1,*, Chen Wang 1,*, Chunlei Wu 1 and David Wei Zhang 1,* 1 State Key Laboratory of ASIC and System, School of Microelectronics, Fudan University, Shanghai 200433, China 2 Department of Materials, Imperial College London, London SW7 2AZ, UK * Authors to whom correspondence should be addressed.
Fluid flow and mass transport in fractured media with curved fractures and varying apertures: A 3D modeling approach
Fractured media have been extensively studied due to their significant impact on hydraulic properties of subsurface systems. However, accurately modeling and simulating flow and transport in complex 3D fractured media still remains a challenge. For this purpose, this work aims to develop a new 3D modeling approach and investigate flow and mass transport in fractured media. First, a modeling approach is presented for generating 3D complex structures and high quality finite element grids.
In Situ H-Radical Surface Treatment on Aluminum Gallium Nitride for High-Performance Aluminum Gallium Nitride/Gallium Nitride MIS-HEMTs Fabrication
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Rolling Horizon Robust Real-Time Economic Dispatch with Multi-Stage Dynamic Modeling
1. Introduction The ever-increasing integration of variable renewable energy has brought great challenges to the economic dispatch (ED) of power systems. Current studies on the ED coping with the uncertain renewable energy mainly are divided into two parts: day-ahead ED and intra-day real-time ED. Day-ahead ED mainly focuses on a day-ahead energy plan or power reserve [1,2,3]. It has enough time to model the entire day’s dispatch in detail based on the predicted information.
Improving Performance of Al2O3/AlN/GaN MIS HEMTs via In Situ N2 Plasma Annealing
Open AccessCommunication by Mengyuan Sun 1,†, Luyu Wang 1,†, Penghao Zhang 1 and Kun Chen 1,2,* 1 State Key Laboratory of ASIC and System, School of Microelectronics, Fudan University, Shanghai 200433, China 2 Shanghai Integrated Circuit Manufacturing Innovation Center Co., Ltd., Shanghai 200433, China * Author to whom correspondence should be addressed. † These authors contributed equally to this work.
Selection Signature and CRISPR/Cas9-Mediated Gene Knockout Analyses Reveal ZC3H10 Involved in Cold Adaptation in Chinese Native Cattle
This is an early access version, the complete PDF, HTML, and XML versions will be available soon.
Highly efficient and selective photocatalytic CO2 reduction of MIL-125(Ti) based on LiFePO4 and CuO QDs surface-interface regulation
Highly efficient and selective photocatalytic CO2 reduction of MIL-125(Ti) based on LiFePO4 and CuO QDs surface-interface regulation Jun Zhou, Qinwei Jia, Luyu Wang, Yuhang Zhao, Xiaofan Ma, Lei Gong, Haonan Zhang and Tong Zuo Abstract In this study, the CuO quantum dots was encapsulated MIL-125 (Ti) MOF by a simple oxidation method, and then further formed LiFePO4/CuO@MIL-125(Ti) with LiFePO4 loading.
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