- Silicon Carbide Semiconductor Technologies
- Semiconductor materials and devices
- Gas Sensing Nanomaterials and Sensors
- Advanced Sensor and Energy Harvesting Materials
- Advancements in Semiconductor Devices and Circuit Design
- Electromagnetic Scattering and Analysis
- Electronic Packaging and Soldering Technologies
- 3D IC and TSV technologies
- Tactile and Sensory Interactions
- 2D Materials and Applications
- Graphene research and applications
- Advanced Antenna and Metasurface Technologies
- Electromagnetic Compatibility and Noise Suppression
- Electromagnetic Simulation and Numerical Methods
- Supercapacitor Materials and Fabrication
- Parallel Computing and Optimization Techniques
- HVDC Systems and Fault Protection
- Terahertz technology and applications
- Advanced Data Storage Technologies
- Antenna Design and Analysis
- GaN-based semiconductor devices and materials
- ZnO doping and properties
- Thin-Film Transistor Technologies
- Engineering and Test Systems
- Sensorless Control of Electric Motors
Southern University of Science and Technology
2022-2025
Delft University of Technology
2020-2025
Chongqing University
2019-2020
Ministry of Education of the People's Republic of China
2020
New Technology (Israel)
2020
Guilin University of Electronic Technology
2017-2019
Chongqing University of Education
2018
Shandong Agricultural University
2016
National University of Defense Technology
2006-2011
Owing to the outstanding physical properties of graphene, its biosensing applications implemented by terahertz metasurface are widely concerned and studied. Here, we present a novel design graphene metasurface, which consists an individual ring H-shaped structure. The exhibits dual-resonance response, whose resonance frequency strongly varies with geometrical parameters proposed carrier density analyte composition. transparency window, including width position, can be artificially controlled...
The fabrication of flexible pressure sensors with low cost, high scalability, and easy is an essential driving force in developing electronics, especially for high-performance that require precise surface microstructures. However, optimizing complex processes expensive microfabrication methods remains a significant challenge. In this study, we introduce laser pyrolysis direct writing technology enables rapid efficient micro-truncated pyramid array. sensor demonstrates exceptional...
Laser-induced graphene (LIG) has aroused a wide range of research interests ranging from micro-nano energy devices to the Internet Things (IoT). Nevertheless, non-degradability most-used synthetic polymer carbon sources poses serious threat environment. In this work, ecofriendly chitosan-based derivatives, including carboxymethyl chitosan (CMCS), oligosaccharide, and hydrochloride, are successfully converted into LIGs for first time via convenient one-step CO2 laser engraving at ambient air....
Abstract This study introduces a novel strategy for fabricating flexible nitrogen dioxide (NO 2 ) gas sensors based on Indium Oxide (In O 3 nanoparticles (NPs) employing selective reduction laser sintering (SRLS) technology. The SRSL technology utilizes ultraviolet (UV) to precisely and rapidly create oxygen vacancy (OV) defects in In NPs. These vacancies (OVs) enhance the active adsorption sites contribute additional free electrons, significantly improving sensor performance at room...
The Electronics Editorial Office retracts the article “Effects of Current Filaments on IGBT Avalanche Robustness: A Simulation Study” [...]
We thoroughly investigated the photocatalytic performance of novel 2D penta-SiAs<sub>2</sub> as an efficient photocatalyst based on first-principles calculations.
Nitrogen dioxide (NO <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">2</sub> ) is a representative toxic gas that plays key role in variety of fields. Due to its extensive application, the demands for reliable sensors detect NO are extremely urgent. Here, we report adsorption N , CO O and molecules on GeS monolayer from atomic scale device by first principles molecular dynamics method. The results indicate sensitive with moderate energy...
In this paper, the interaction of atmospheric gas molecules (NH <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">3</sub> , NO xmlns:xlink="http://www.w3.org/1999/xlink">2</sub> SO CO, CO CH xmlns:xlink="http://www.w3.org/1999/xlink">4</sub> O and NO) with monolayer graphene-like hexagonal ZnS (g-ZnS) is studied first-principle calculations to explore its potential application as sensor. Among all molecules, NH act a strong donor acceptor apparent...
Using TCAD simulations, the silicon carbide metal-oxide-semiconductorfield-effect transistor with p-type floating islands (SiC FLIMOSFET) is systematically investigated in this paper. The doping concentration (N <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">FLI</sub> ), length (L), and position (D1) of are optimized according to breakdown voltage (BV), electric field distribution, on-resistance. results show that NFLI = 1 × 10 <sup...
Different size InGaN/GaN based micro-LEDs (μLEDs) are fabricated. An extremely high injection level above 16 kA/cm2 is achieved for 10 μm-diameter LED. The lateral current density and carrier distributions of the μLEDs simulated by APSYS software. Streak camera time resolved photoluminescence (TRPL) results show clear evidence that band-gap renormalization (BGR) effect weakened strain relaxation in smaller μLEDs. BGR affects free carriers on conduction band bottom multiple quantum wells...
In this paper, a fast method is proposed to calculate wideband frequency responses of complex radar targets on personal computer.When frequencies are low, the factor can be separated from space parameters by Chebyshev polynomial approximations Green's function.Then, matrices MoM at different rapidly filled, and monostatic RCS soon calculated.If relatively high, high-order (HO-MoM), in which products place multidimension numerical integrations, presented.That will reduce CPU time...
In recent years, metal crack-based stretchable flexible strain sensors have attracted significant attention in wearable device applications due to their extremely high sensitivity. However, the trade-off between sensitivity and detection range has been an intractable dilemma, severely limiting practical applications. Herein, we propose a laser transmission pyrolysis technology for fabricating high-performance based on (Au) cracks with microchannel array polydimethylsiloxane (PDMS) surface....
In this paper, a novel bubble-shift super junction (SJ) MOSFET structure is proposed, and its main static electrical parameters reverse recovery characteristics are simulated by TCAD software tool. By designing the P-pillar ion implantation windows with certain offset, SJ-MOSFET contains curved pillar region in upper half of P-pillar. test proposed SJ-MOSFET, peak current (I <inf xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">rrm</inf> ) reduced...
Recent reports focus on the hydrogenation engineering of monolayer boron phosphide and simultaneously explore its promising applications in nanoelectronics. Coupling density functional theory finite element method, we investigate bowtie triangle ring microstructure composed with based structural performance analysis. We determine carrier mobility hydrogenated phosphide, reveal effect material parameters resonance frequencies, discuss variation electric field at two tips. The results suggest...
In recent years, flexible strain sensors based on metal cracks have garnered significant interest for their exceptional sensitivity. However, striking a balance between sensitivity and detection range remains challenge, which often limits its wider application. Herein, we introduce an innovative laser transmission pyrolysis technology to fabricate high-performance (Au) with microchannel array the PDMS surface. The fabricated exhibit high sensitivity, wide range, precise resolution, fast...
With the increase in voltage level and current capacity of insulated gate bipolar transistor (IGBT), avalanche effect has become an important factor limiting safe operating area (SOA) device. The hole injection into p/n junction on backside IGBT after is main feature that distinguishes from other devices. In this paper, breakdown characteristics nature filament are investigated using theoretical analysis numerical simulation, underlying physical mechanism controlling filaments revealed....
The significance of wafer bonding is fundamental to the progression electronic systems. Common fabrication techniques for Cu pillars play a crucial role in establishing resilient and efficient interconnects within semiconductor devices. It imperative explore potential nano-copper as an alternative material overcome limitations associated with conventional copper. use nano copper paste manufacturing has simplify process, potentially reducing number steps compared methods. This study delves...
This study presents the development and characterization of a novel Cu paste for use in pressure-assisted sintering die-attach processes, applied to SiC power devices. The was self-developed, process conducted at 250°C 3 minutes under pressure 20 MPa. shear strength, on-resistance, junction-to-case thermal resistance reliability were evaluated through 1000-hour hot temperature storage test 1000-cycle cycling test. Initially, sintered samples display robust characteristics, boasting high...
In this study, a convenient chitosan oligosaccharide laser lithograph (COSLL) technology was developed to fabricate laser-induced graphene (LIG) electrodes and flexible on-chip microsupercapacitors (MSCs). With simple one-step CO2 laser, the pyrolysis of (COS) in situ welding generated LIGs engineering plastic substrates are achieved simultaneously. The resulting LIG products display hierarchical porous architecture, excellent electrical conductivity (6.3 Ω sq-1), superhydrophilic...