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First Demonstration of Defect Elimination for Cryogenic Ge FinFET CMOS Inverter Showing Steep Subthreshold Slope by Using Ge-on-Insulator Structure

First Demonstration of Defect Elimination for Cryogenic Ge F...

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2023 International Electron Devices Meeting, IEDM 2023

作者： Yu, X.-R. Hsieh, C.-C. Chuang, M.-H. Chiu, M.-Y. Sun, T.-C. Geng, W.-Z. Chang, W.-H. Shih, Y.-J. Lu, W.-H. Chang, W.-C. Lin, Y.-C. Pai, Y.-C. Lai, C.-Y. Chuang, M.-H. Dei, Y. Yang, C.-Y. Lu, H.-Y. Lin, N.-C. Wu, C.-T. Kao, K.-H. Ma, W.C.-Y. Lu, D.D. Lee, Y.-J. Luo, G.-L. Chiang, M.-H. Maeda, T. Wu, W.-F. Li, Y.-M. Hou, T.-H. National Cheng Kung University Dept of Electrical Engineering Tainan Taiwan National Cheng Kung University Academy of Innovative Semiconductor and Sustainable Manufacturing Tainan Taiwan National Yang Ming Chiao Tung University Inst. of Communications Engineering Hsinchu Taiwan National. Sun Yat-Sen University Dept. of Electrical Engineering Kaohsiung Taiwan National Institute of Advanced Industrial Science and Technology Ibaraki Japan National Yang Ming Chiao Tung University Inst. of Artificial Intelligence Innovation Hsinchu Taiwan Taiwan Semiconductor Research Institute Taiwan Intelligent Computing Industrial Program Ming Wu School of Computing National Cheng Kung University Taiwan Inst. of Biomedical Engineering National Yang Ming Chiao Tung University Hsinchu Taiwan Inst. of Pioneer Semiconductor Innovation National Yang Ming Chiao Tung University Hsinchu Taiwan

ISBN: (纸本)9798350327670

This work presents experimental electrical characteristics and circuit prediction at cryogenic temperatures (down to 10 K) for three different kinds of germanium (Ge)-based FETs with advanced Fin/GAA structures. Among them, the layer transferred Ge-on-Insulator (GeOI) FinFET significantly improves its I-V characteristic during cryogenic measurements, such as a steeper subthreshold swing at 10K and a better Ion. The developed GeOI fabrication method provides an effective way to eliminate the defects originating from misfit dislocations at the Ge/Si substrate during epitaxial growth, which would be treated as the key to device performance enhancement under 10 K. According to the measured IV at 10 K and circuit prediction, GeOI FinFETs with high Ge crystallinity are strong candidates for High-Performance-Computing (HPC) applications. © 2023 IEEE.

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Naked-eye observation of water-forming reaction on palladium etalon:transduction of gas-matter reaction into light-matter interaction

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PhotoniX 2023年第1期4卷 349-363页

作者： Jongsu Lee Eui-Sang Yu Taehyun Kim In Soo Kim Seok Chung Seung Jae Kwak Won Bo Lee Yusin Pak Yong-Sang Ryu Sensor System Research Center Korea Institute of Science and TechnologySeoul 02792Republic of Korea Department of Electrical and Computer Engineering Seoul National UniversitySeoul 08826Republic of Korea Smart Materials Research Section Electronics and Telecommunications Research InstituteDaejeon 34129Republic of Korea Department of Micro/Nano Systems Korea University02841 SeoulRepublic of Korea Nanophotonics Research Center Korea Institute of Science and TechnologySeoul 02792Republic of Korea School of Mechanical Engineering Korea UniversitySeoul 02841Republic of Korea School of Chemical and Biological Engineering Seoul National UniversitySeoul 08826Republic of Korea Interdisciplinary Program in Precision Public Health Korea UniversitySeoul 02481Republic of Korea School of Biomedical Engineering Korea UniversitySeoul 02481Republic of Korea

Palladium is the most prominent material in both scientific and industrial research on gas storage,purification,detection,and catalysis due to its unique properties as a catalyst and hydrogen *** the dynamic optical phenomena of palladium reacting with hydrogen,transduction of the gas-matter reaction into light-matter interaction is attempted to visualize the dynamic surface chemistry and reaction *** simple geometry of the metal-dielectric-metal structure,Fabry-Perot etalon,is employed for a colorimetric reactor,to display the catalytic reaction of the exposed gas via water-film/bubble formation at the dielectric/palladium *** adsorption/desorption behavior and catalytic reaction of hydrogen and oxygen on the palladium surface display highly repeatable and dramatic color changes based on two distinct water formation trends:the foggy effect by water bubbles and the whiteout effect by water film *** and experiments demonstrate the robustness of the proposed Fabry-Perot etalon as an excellent platform for monitoring the opto-physical phenomena driven by heterogeneous catalysis.

关键词： Palladium Hydrogen Oxygen Fabry-Perot resonators Colorimetric sensors Water-forming reaction

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Edge-Based Infrared-Ultrasonic Anti-Collision Radar System for Robotic Navigation: *Applications of Cost-effective Bisensory System for Obstacle Detection, Tracking, and Avoidance

Edge-Based Infrared-Ultrasonic Anti-Collision Radar System f...

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IEEE Conference on Technologies for Homeland Security

作者： Kosisochukwu Pal Nnoli Mbadiwe Samuel Benyeogor Jones Ifeanyi Bolu Oladayo Olufemi Olakanmi Dept. of Computer Science and Electrical Engineering Jacobs University Bremen Germany Dept. of Physics Westfälische Wilhelms-Universität Münster Münster Germany Junior Information Technology Analyst Program NPower Canada Toronto Canada Dept. of Electrical and Electronics Engineering University of Ibadan Ibadan Nigeria

ISBN: (纸本)9781665494052

Significant progress has been made in the development of an edge computing system for the fusion, representation, and visualization of dual-sensor data for obstacle avoidance control of mobile robots. This involves the use of an error-filtering covariance and averaging algorithm to logically fuse distance measurements from a pair of infrared and ultrasonic sensors, which was instrumented into a robot and used to generate radar visuals to track the proximity of ambient obstacles within 180 degrees spanning ahead of the robot. Hands-on experiments were performed to evaluate the performance and applicability of the system in real-time. The results show that the developed system is viable and robust. In line with the emerging field of edge computing, this work is an efficient, portable, and cost-effective approach to developing mobile robotic systems.

关键词： Visualization Navigation Fuses Sensor fusion Robot sensing systems Radar tracking Acoustics

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Impact of fabrication methods on binder distribution and charge transport in composite cathodes of all-solid-state batteries

材料展望（英文）

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材料展望（英文） 2023年第4期 121-129页

作者： Benjamin Emley Chaoshan Wu Lihong Zhao Qing Ai Yanliang Liang Zhaoyang Chen Liqun Guo Tanguy Terlier Jun Lou Zheng Fan Yan Yao Materials Science and Engineering Program and Texas Center for Superconductivity at the University of Houston University of Houston4726 Calhoun RdHoustonTX 77204United States of America Materials Science and Engineering Program and Texas Center for Superconductivity at the University of Houston University of Houston4726 Calhoun RdHoustonTX 77204United States of America Department of Electrical and Computer Engineering University of Houston4726 Calhoun RdHoustonTX 77204United States of America Department of Materials Science and Nano Engineering Rice University6100 Main StreetHoustonTX 77005United States of America SIMS Laboratory Shared Equipment AuthorityRice UniversityHoustonTX 77005United States of America Department of Engineering Technology University of HoustonHoustonTX 77204United States of America

The manufacturing process of all-solid-state batteries necessitates the use of polymer ***,these binders,being ionic insulators by nature,can adversely affect charge transport within composite cathodes,thereby impacting the rate performance of the *** this work,we aim to investigate the impact of fabrication methods,specifically the solvent-free dry process versus the slurry-cast wet process,on binder distribution and charge transport in composite cathodes of solid-state *** the dry process,the binder forms a fibrous network,while the wet process results in binder coverage on the surface of cathode active *** difference in microstructure leads to a notable 20-fold increase in ionic conductivity in the dry-processed ***,the cells processed via the dry method exhibit higher capacity retention of 89％and 83％at C/3 and C/2 rates,respectively,in comparison to 68％and 58％for the wet-processed cells at the same *** findings provide valuable insights into the influence of fabrication methods on binder distribution and charge transport,contributing to a better understanding of the binder's role in manufacturing of all-solid-state batteries.

关键词： solid-state battery solvent-free dry process polymer binder lithium thiophosphate electrolyte

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High-Order Cardiomyopathy Human Heart Model and Mesh Generation

High-Order Cardiomyopathy Human Heart Model and Mesh Generat...

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2021 Computing in Cardiology, CinC 2021

作者： Mohammadi, Fariba Shontz, Suzanne M Linte, Cristian A Department of Mechanical Engineering University of Kansas LawrenceKS United States Department of Electrical Engineering and Computer Science University of Kansas LawrenceKS United States Bioengineering Program University of Kansas LawrenceKS United States Information and Telecommunication Technology Center University of Kansas LawrenceKS United States Chester F Carlson Center for Imaging Science Rochester Institute of Technology RochesterNY United States Department of Biomedical Engineering Rochester Institute of Technology RochesterNY United States

ISBN: (纸本)9781665479165

Faithful, accurate, and successful cardiac biomechanics and electrophysiological simulations require patient-specific geometric models of the heart. Since the cardiac geometry consists of highly-curved boundaries, the use of high-order meshes with curved elements would ensure that the various curves and features present in the cardiac geometry are well-captured and preserved in the corresponding mesh. Most other existing mesh generation techniques require computer-aided design files to represent the geometric boundary, which are often not available for biomedical applications. Unlike such methods, our technique takes a high-order surface mesh, generated from patient medical images, as input and generates a high-order volume mesh directly from the curved surface mesh. In this paper, we use our direct high-order curvilinear tetrahedral mesh generation method [1] to generate several second-order cardiac meshes. Our meshes include the left ventricle myocardia of a healthy heart and hearts with dilated and hypertrophic cardiomyopathy. We show that our high-order cardiac meshes do not contain inverted elements and are of sufficiently high quality for use in cardiac finite element simulations. © 2021 Creative Commons.

关键词： Heart

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Analyzing the Performance of 7nm FinFET Based Logic Circuit for the Signal Processing in Neural Network

Analyzing the Performance of 7nm FinFET Based Logic Circuit ...

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2020 IEEE Recent Advances in Intelligent Computational Systems, RAICS 2020

作者： Pandey, Rajeev Kumar Pandey, Sanjeev Kumar EECS International Graduate Program National Chiao Tung University Hsinchu300 Taiwan Indian Institute of Technology Department of Electrical Engineering Delhi India

ISBN: (纸本)9781728190525

This study aims to report the fan-out-four (FO4) delay and energy consumption associated with the various circuit used in the implementation of the neural network signal processing using the 7nm node. This study characterizes the behavior of the 7nm-FinFET to design the various logic circuits and then report the FO4 delay and the energy consumption associated with the basic gates, 16-bit Brent-Kung adder, Flip-flop, 16-bit array pipeline multiplier (clocked at 4GHz). The successful design of the 6T Static Random-Access memory (SRAM) and the clocked regenerative latch-based comparator (clocked at 4GHz) shows that the high-speed memory and mixed-signal circuit design is possible with 7nm FinFET. For the simulation, 7nm FinFET predictive technology model (PTM) for bulk has been used with the BSIMCMG model. Device characterization shows that the drain current is proportional to the number of fins (NFIN). During the simulation, it is observed that the threshold voltage (0.3V) and the drain current of the N/P FinFET are almost equal. The measured leakage current is 3.5pA. The comparison of the simulation results with 45nm shows that the 7nm FinFET based logic design is highly efficient in terms of FO4 delay, power, and energy. Despite the reduced supply voltage in the 7nm node, the noise margin of the SRAM is still comparable to 45nm. © 2020 IEEE.

关键词： Adders

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engineering Andreev Bound States for Thermal Sensing in Proximity Josephson Junctions

arXiv

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arXiv 2025年

作者： Jung, Woochan Arnault, Ethan G. Huang, Bevin Park, Jinho Jang, Seong Watanabe, Kenji Taniguchi, Takashi Englund, Dirk Fong, Kin Chung Lee, Gil-Ho Physics Department Pohang University of Science and Technology Pohang37673 Korea Republic of Research Laboratory of Electronics Massachusetts Institute of Technology CambridgeMA02139 United States Intelligence Community Postdoctoral Research Fellowship Program Massachusetts Institute of Technology CambridgeMA02139 United States Department of Mechanical Engineering Columbia University New YorkNY10027 United States Research Center for Functional Materials National Institute for Materials Science Tsukuba Japan International Center for Materials Nanoarchitectonics National Institute for Materials Science Tsukuba Japan Department of Electrical Engineering and Computer Science Massachusetts Institute of Technology CambridgeMA02139 United States Department of Electrical and Computer Engineering Northeastern University BostonMA02115 United States Department of Physics Northeastern University BostonMA02115 United States Quantum Materials and Sensing Institute BurlingtonMA01803 United States

The thermal response of proximity Josephson junctions (JJs) is governed by the temperature (T)- dependent occupation of Andreev bound states (ABS), making them promising candidates for sensitive thermal detection. In this study, we systematically engineer ABS to enhance the thermal sensitivity of critical current (lc) of proximity JJs, quantified as |dlc/dT/| for threshold readout scheme and |dlc/***−1| for inductive readout scheme. Using a gate-tunable graphene-based JJ platform, we explore the impact of key parameters—including channel length, transparency, carrier density, and superconducting material—on the thermal response. Our results reveal that the proximity-induced superconducting gap plays a crucial role in optimizing thermal sensitivity. Notably, we see a maximum |dlc/***−1| value of 0.6 K−1 at low temperatures with titanium-based graphene JJs. By demonstrating a systematic approach to engineering ABS in proximity JJs, this work establishes a versatile framework for optimizing thermal sensors and advancing the study of ABS-mediated transport. © 2025, CC BY.

关键词： Superconducting materials

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Research on Flexible Charging Strategy of Mobile Energy Storage Charging Vehicle 5

Research on Flexible Charging Strategy of Mobile Energy Stor...

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5th International Conference on Automation, Control and Robotics engineering, CACRE 2020

作者： Mao, Cheng Zhang, Yufeng Institute of Mining Motor Drive Technology Xi'an University of Science and Technology College of Electrical and Control Engineering Xi'an China College of Electrical and Control Engineering Xi'an University of Science and Technology Pashton Joint R and D Center Natural Science Basic Research Program of ShaanxiShanmei Joint Fund Xi'an China

ISBN: (纸本)9781728198880

According to the complex and changeable charging environment of mobile energy storage charging vehicles, this paper proposes an intelligent flexible charging strategy based on queuing theory for the single control strategy of traditional mobile energy storage charging vehicles. This strategy takes the optimal charging time as the optimization goal and dynamically adjusts the output power of the charger. At the same time, flexible charging also involves DC / DC module parallel current sharing and other issues. In this paper, a DCDC converter is used to control the charge and discharge of the battery pack. A charge and discharge controller for the energy storage battery pack based on PI control is designed. The energy storage battery pack During the charging process, the current closed-loop control realizes constant current charging, and the voltage outer loop current inner loop double closed loop control realizes constant voltage charging;during the discharge of the energy storage battery pack, the double closed loop is used to stabilize the battery pack discharge voltage, which is established in the Matlab environment The simulation model of charge and discharge of energy storage battery pack was obtained, and the simulation results verified the correctness and feasibility of the battery pack structure and control strategy. © 2020 IEEE.

关键词： Battery Pack

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A comprehensive review on natural convection in trapezoidal cavities with mono and hybrid nanofluids

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International Journal of Thermofluids 2025年 27卷

作者： Rashid, Farhan Lafta Alkhekany, Zainab Abdul Karim Eleiwi, Muhammad Asmail Bouabidi, Abdallah Ahmad, Shabbir Chibani, Atef Kezzar, Mohamed Kadhim, Saif Ali Askar, Ali Habeeb Hammoodi, Karrar A. Department of Petroleum Engineering College of EngineeringmUniversity of Kerbala Karbala56001 Iraq College of Engineering University of Warith Al-Anbiyaa Karbala56001 Iraq Electromechanical Engineering Department College of Engineering University of Samarra Samarra Iraq University of Gabes Avenue of Omar Ib-Elkhattab Gabes Zrig6023 Tunisia Graduate Program of Ocean Engineering School of Engineering Universidade Federal do Rio Grande Italia Avenue km 8 Rio Grande96201-900 Brazil Institute of Geophysics and Geomatics China University of Geosciences Wuhan430074 China Research Center in Industrial Technologies CRTI P.O.Box 64 Algiers Cheraga16014 Algeria Department of Mechanical Engineering University of 20 Aout 1955 El Hadaiek Road B. O. 26 Skikda21000 Algeria Technology Department Faculty of Technology 20 Aout 1955 University of Skikda PO Box 26 Skikda21000 Algeria Mechanical Engineering Department University of Technology- Iraq Baghdad Iraq Department of Fluid and Heat Engineering University of Miskolc Miskolc Hungary Institute of Physics and Electrical Engineering University of Miskolc Miskolc Hungary College of Engineering University of Al Maarif Al Anbar Iraq

This review synthesises advancements in natural convection within trapezoidal cavities using mono- and hybrid nanofluids, emphasising their geometric advantages for thermal management. Trapezoidal cavities promote asymmetric flow patterns that enhance heat transfer compared to conventional geometries, as demonstrated in applications like solar absorbers and electronic cooling. Through analysis of 50+ previous studies, the review identifies key trends: Hybrid nanofluids like Cu-Al₂O₃/water consistently outperform mono nanofluids in Nusselt number improvement, with gains exceeding 20 %. Inclined walls mitigate stagnant flow zones, though exact reduction rates vary with aspect ratio and nanoparticle concentration. Magnetic fields and porous media further modulate thermal performance, but trade-offs emerge between conductivity enhancement and viscosity penalties. This review provides a framework to optimise trapezoidal cavities with nanofluids for industrial deployment. © 2025 The Author(s)

关键词： Natural convection

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Fault Diagnosis of Wind Energy Conversion Systems Using Gaussian Process Regression-based Multi-Class Random Forest

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IFAC-PapersOnLine 2022年第6期55卷 127-132页

作者： Majdi Mansouri Radhia Fezai Mohamed Trabelsi Hajji Mansour Hazem Nounou Mohamed Nounou Electrical and Computer Engineering Program Texas A&M University at Qatar Doha Qatar Department of Mathematics and Sciences Prince Sultan University Riyadh 11586 Saudi Arabia Research Laboratory of Automation Signal Processing and Image National Engineering School of Monastir 5019 Tunisia Electronic and Communications Engineering Department Kuwait College of Science and Technology P. O. Box 27235 Kuwait Higher Institute of Applied Science and Technology of Kasserine University of Kairouan PO Box 471 1200 Kasserine Tunisia Chemical Engineering Program Texas A&M University at Qatar Doha Qatar

This work proposes a new fault diagnosis approach for a wind energy conversion (WEC) system. The proposed technique merges the benefits of feature extraction based on Gaussian Process Regression (GPR) and Multi-Class Random Forest (MCRF)-based fault classification where instances are classified into one or more classes. In the developed GPR-MCRF approach, the nonlinear statistical features including the mean vector M GPR and the variance matrix C GPR are computed using the GPR model with aim of extracting the most relevant features from the WEC system. Then, these features are introduced to the RF classifier for classification and diagnosis purposes. Therefore, the application of the GPR-MCRF technique for WEC systems aims to enhance the use of the classical raw data-based MCRF and diagnosis accuracy. Three kinds of faults (wear-out, open-circuit, and short-circuit faults) are considered in this work. Different case studies are investigated in order to illustrate the effectiveness and robustness of the developed technique compared to the state-of-the-art methods. The obtained results show that the the developed GPR-MCRF technique is an effective feature extraction and fault diagnosis technique for WEC systems.

关键词： Random Forest (RF) Multi-Class Gaussian Process Regression (GPR) Fault Diagnosis Wind Energy Conversion Systems

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