Results 61 to 70 of about 392,135 (196)

Design and analysis of piezoelectric MEMS micro‐speaker based on scandium‐doped AlN thin film

Micro & Nano Letters, 2021
Piezoelectric MEMS microspeakers are promising candidates for miniaturized speakers, such as for in‐ear applications. Using lead‐free scandium doped aluminium nitride (ScAlN) thin film instead of lead zirconium titanate helps these speakers to be ...
Ahmed Fawzy, Yiming Lang, Menglun Zhang
doaj   +1 more source

Nanophotonic Biosensors and the Paradigm of Trans‐Scale Autonomous Bio‐Integrated Diagnostics for Addressing Health Complexities

Electron, EarlyView.
Physics‐driven advances in optical nanobiosensors for rapid, miniaturized, and point‐of‐care diagnostics for next‐generation decentralized and personalized healthcare based on sensor intelligence. ABSTRACT Public health emergencies and the escalating burden of chronic diseases necessitate a paradigm shift from centralized laboratory testing to rapid ...
Vishal Chaudhary, Harsh Sable, Sonu Sonu, Lakshita Phor, Reddicherla Umapathi, Pradeep Bhadola   +5 more
wiley   +1 more source

Miniaturized Thermal Acoustic Gas Sensor Based on a CMOS Microhotplate and MEMS Microphone

Proceedings, 2020
In this work, we present a novel thermal acoustic gas sensor, fabricated using a CMOS microhotplate and MEMS microphone. The sensing mechanism is based on the detection of changes in the thermal acoustic conversion efficiency which is dependent on the ...
Richard Hopper, Daniel Popa, Vasileios Tsoutsouras, Florin Udrea, Phillip Stanley-Marbell   +4 more
doaj   +1 more source

Piezoelectric Materials in Medical Ultrasound: A Comprehensive Review From Fundamentals to Translational Prospects

Information &Functional Materials, EarlyView.
Piezoelectric materials are reviewed as active platforms for medical ultrasound, bridging electromechanical fundamentals, transducer architectures, and biomedical applications. Material–device co‐design is emphasized as the key to high‐performance diagnosis, therapy, monitoring, wearable ultrasound, and emerging ultrasound‐responsive functions ...
Jianan Li, Qing Wan
wiley   +1 more source

Ferroelectricity and Ferroionic Dynamics in Two‐Dimensional CuInP2S6

Information &Functional Materials, EarlyView.
The coupled dynamics of ferroelectric polarization and Cu‐ion migration endow CuInP2S6 with unique ferroionic functionalities. This review connects structure, switching mechanisms, and device applications to provide a unified perspective on two‐dimensional ferroionic materials.
Shangsheng Li, Shiyu Wang, Xiongfeng Wang, Qinglin Du, Ruochen Shangguan, Guoqiang Xi, Lin Wang, Wugang Liao   +7 more
wiley   +1 more source

A CMOS-MEMS lateral-axis gyroscope [PDF]

Technical Digest. MEMS 2001. 14th IEEE International Conference on Micro Electro Mechanical Systems (Cat. No.01CH37090), 2002
This paper reports on the experimental results from the first design of a CMOS lateral-axis vibratory gyroscope that utilizes comb fingers for both actuation and sensing. The fabrication is compatible with standard CMOS processes and the design has an integrated, fully-differential capacitive interface circuit.
Xie, Huikai, Fedder, Gary K.
openaire   +1 more source

Organic electrochemical transistor‐based tactile perception: From sensing to neuromorphic processing

InfoMat, EarlyView.
Organic electrochemical transistors (OECTs) offer a unique platform for tactile perception electronics by coupling ionic and electronic transport. This review highlights recent advances in OECT‐based temperature and pressure sensing, emphasizing material design, device architectures, operating mechanisms, and fabrication strategies toward flexible ...
Xuefeng Zhang, Deliu Zeng, Runjie Zhang, Yu Xiao, Zerui Yu, Siyu Di, Guo Liu, Lianhong Shan, Lianrui Cheng, Xiaofang Wei, Fengjiao Zhang   +10 more
wiley   +1 more source

Sensors on Flapping Wings (SOFWs) Using Complementary Metal–Oxide–Semiconductor (CMOS) MEMS Technology

Eng
This article presents a framework of using MEMS sensors to investigate unsteady flow speeds of a flapping wing or the new concept of sensors on flapping wings (SOFWs).
Lung-Jieh Yang, Wei-Cheng Wang, Chandrashekhar Tasupalli, Balasubramanian Esakki, Mahammed Inthiyaz Shaik   +4 more
doaj   +1 more source

Differential Wide Temperature Range CMOS Interface Circuit for Capacitive MEMS Pressure Sensors

Sensors, 2015
We describe a Complementary Metal-Oxide Semiconductor (CMOS) differential interface circuit for capacitive Micro-Electro-Mechanical Systems (MEMS) pressure sensors that is functional over a wide temperature range between −55 °C and 225 °C. The circuit is
Yucai Wang, Vamsy P. Chodavarapu
doaj   +1 more source

A quad‐cistronic fluorescent biosensor system for real‐time detection of subcellular Ca2+ signals

British Journal of Pharmacology, EarlyView.
Background and Purpose The calcium ion (Ca2+) is a versatile cellular messenger regulating a variety of biological processes. Compounds modulating subcellular Ca2+ signals hold substantial pharmacological potential. Advances in fluorescent biosensors have revolutionised Ca2+ imaging.
Anna Lischnig, Yusuf C. Erdoğan, Benjamin Gottschalk, Michael Gruber, Andrea Groselj‐Strele, Sandra Burgstaller, Wolfgang F. Graier, Roland Malli   +7 more
wiley   +1 more source