Results 61 to 70 of about 8,767,028 (256)

Study of Electrothermal Stress Effect on RF Performance of InGaP/GaAs Heterojunction Bipolar Transistor-Based Low-Noise Amplifier

, 2008
This paper investigates the electrothermal stress-induced performance degradation of a cascode low-noise amplifier (LNA) built using InGaP/GaAs heterojunction bipolar transistors (HBTs).
Juin J. Liou, Liu, Xiang, Yuan, Jiann Shiun, Jiann-Shiun Yuan, Liou, Juin J., Xiang Liu   +5 more
core   +1 more source

FiN‐Kiri: Fabric‐Based Inflatable Kirigami Actuator for Multimodal Soft Robots

Advanced Robotics Research, EarlyView.
This study introduces a type of inflatable fabric‐based kirigami actuator capable of performing bending motion. The actuator is utilized as soft grippers, a crawling robot and a swimming robot. The crawling robot demonstrated extraordinary motion capabilities, such as moving forward, turning and navigating a narrow tunnel.
Yang Yu, Yupei Zhang, Yanqi Yin, Yehui Wu, Jinyao Zhang, Ruiyu Bai, Jiaqiang Yao, Kewei Su, Chenyi Yu, Zhicheng Tian, Naipeng Li, Zhuang Zhang, Bo Li   +12 more
wiley   +1 more source

Synthesis of Carbon Black/Geopolymer Composites with High and Stable Electrothermal Performance [PDF]

Iranian Journal of Materials Science and Engineering
Geopolymer/nano carbon black composite is a promising electrically conductive smart material that can be used in self-heating and self-sensing applications. This paper studies the effect of adding nano carbon black to the physical, mechanical, electrical,
Sibbt Jabbar, Dalya Hameed, Imad Disher
doaj  

Multidimensional and Multifunctional Laser‐Induced Graphene (LIG) for Point‐of‐Care and Wearable Biosensing, Theranostics, and Bioactive Interfaces Toward Personalized Healthcare and Regenerative Medicine

Advanced Science, EarlyView.
Multidimensional laser‐induced graphene (LIG) spanning from 0D to 3D architectures is comprehensively reviewed for multifunctional biomedical platforms, including biosensing, theranostics, and bioactive interface applications, which highlights its potentials for point‐of‐care diagnostics, wearable health monitoring, smart drug delivery, and tissue ...
Li Zhang, Yurou Yuan, Xiaohong Ding, Wing Cheung Mak   +3 more
wiley   +1 more source

Broad Distribution of Local Polar States Generates Large Electrothermal Properties in Pb-Free Relaxor Ferroelectrics

, 2021
Electrothermal energy conversion provides attractive solutions for global energy management, such as energy harvesting from waste heat using pyroelectric energy conversion (PEC) and efficient cooling of portable electronics or data servers using the ...
Zhang, Yuanpeng,, Zhang, Yuanpeng, Kong, Jing, Kong, Jing,, Nayak, Sanjib, Pramanick, Abhijit, Chan, Ngai Hang,, Tucker, Matthew G.,, Pramanick, Abhijit,, Chan, Ngai Hang, Marlton, Frederick P., Nayak, Sanjib,, Venkateshwarlu, Sarangi, Jørgensen, Mads Ry Vogel,, Venkateshwarlu, Sarangi,, Lund University., Jørgensen, Mads Ry Vogel, Tucker, Matthew G., Marlton, Frederick P.,, Sarangi Venkateshwarlu, Abhijit Pramanick, Yuanpeng Zhang, Ngai Hang Chan, Frederick P. Marlton, Sanjib Nayak, Mads Ry Vogel Jørgensen, Matthew G. Tucker, Jing Kong   +27 more
core   +2 more sources

Enhanced performance and thermoelectric properties of composite electrothermal coatings driven by photovoltaics

Case Studies in Thermal Engineering
Electrothermal coatings have great application potential for building heating. However, conventional carbon-based electrothermal coatings feature inferior thermal stability and are incompatible with photovoltaic low-voltage heating systems.
Guofen Rui, Yuxuan He, Haifei Chen, Jie Yang, ErDeng Du, Mingguo Peng   +5 more
doaj   +1 more source

SiC cantilever resonators with electrothermal actuation

, 2006
Cubic SiC cantilever resonators designed for electrothermal actuation are presented. Metal electrodes with both open circuit and short circuit designs have been deposited and patterned on top of the 3C-SiC cantilevers.
Harris, A.J., Cheung, R., Hedley, J., Jiang, Liudi, Hassan, M., Mehregany, M., Burdess, J.S., Zorman, C.   +7 more
core   +1 more source

Making Sweat Measurable: Induction, Sampling, and Refreshment in Wearable Biofluid Sensing

Advanced Science, EarlyView.
Wearable sweat sensing relies not only on chemical detection but also on controlled biofluid management. This Review integrates sweat physiology, induction strategies, and microfluidic sampling architectures, demonstrating how flux, transport, and refreshment shape measurement reliability.
Soyoung Shin, Wei Gao
wiley   +1 more source

A Versatile‐Designable Framework for Active and Programmable Shape‐Morphing Soft Matter Systems: From Inverse Design to Closed‐Loop Control

Advanced Science, EarlyView.
A versatile framework integrates addressable electrothermal actuation and strain‐constraint mechanisms to construct programmable shape‐morphing soft matter systems. By combining an analytical inverse design strategy for high‐fidelity 3D surface reconstruction with deep learning‐based closed‐loop control, this approach enables zero‐energy shape locking,
Kai Liu, Peiling Xie, Ruitong Song, Banghan Liu, Rui Guo, Jiu‐an Lv   +5 more
wiley   +1 more source

Theoretical Performance of Propellants Suitable for Electrothermal Jet Engines

ARS Journal, 1961
The performance of eight possible propellants for electrothermal jet engines is evaluated theoretically. Performance characteristics are presented for enthalpies up to 200,000 Btu/lb, temperatures as high as 45,000 f R, pressures ranging from 0.0l to l00 atm, and specific impulses from 500 to 2000 sec.
openaire   +2 more sources