Results 81 to 90 of about 612,163 (359)

The Emerging 4D Printing of Shape‐Memory Thermomorphs for Self‐Adaptative Biomedical Implants

Advanced Functional Materials, EarlyView.
4D printing enables the creation of smart implants that adapt to changing conditions in the human body over time. At the core of this technology are shape‐memory thermomorphs (SMTMs). This review offers an in‐depth analysis of 4D printing with SMTMs, emphasizing the latest advancements in smart materials, stimuli, programming principles, and their ...
Aixiang Ding, Fang Tang, Eben Alsberg
wiley   +1 more source

High-Accuracy Bandgap Reference of <20 ppm/°C: A Review

Chips
This review discusses the principle of typical bandgap reference circuits and analyzes their sources of errors. In order to provide readers with a clear perspective, we categorize the error sources into four types: (a) amplifier offset; (b) high-order ...
Haoyu Zhuang, Xudong Chen, Enzhe Zhang, Qiang Li   +3 more
doaj   +1 more source

Electronic circuit detects left ventricular ejection events in cardiovascular system [PDF]

, 1972
Electronic circuit processes arterial blood pressure waveform to produce discrete signals that coincide with beginning and end of left ventricular ejection. Output signals provide timing signals for computers that monitor cardiovascular systems.
Gebben, V. D., Webb, J. A., Jr.
core   +1 more source

Time-resolved PhotoEmission Spectroscopy on a Metal/Ferroelectric Heterostructure [PDF]

, 2013
In thin film ferroelectric capacitor the chemical and electronic structure of the electrode/FE interface can play a crucial role in determining the kinetics of polarization switching.
Agnus, G., Barrett, N., Bendounan, A., Lecoeur, Ph., Maroutian, T., Niu, G., Pillard, V., Rault, J. E., Silly, M. G., Sirotti, F., Vilquin, B.   +10 more
core   +1 more source

Ultra‐Fast Non‐Volatile Resistive Switching Devices with Over 512 Distinct and Stable Levels for Memory and Neuromorphic Computing

Advanced Functional Materials, EarlyView.
A materials and device design concept that comprises a self‐assembled ultra‐thin epitaxial ion‐transporting layer, an amorphous oxide overcoat oxygen‐blocking layer, and a partial filament formed during an electroforming step is proposed for low‐current multilevel resistive switching devices.
Ming Xiao, Markus Hellenbrand, Nives Strkalj, Babak Bakhit, Zhuotong Sun, Nikolaos Barmpatsalos, Dovydas Joksas, Hongyi Dou, Zedong Hu, Ping Lu, Samip Karki, Sundar Kunwar, Jonathan D. Major, Aiping Chen, Haiyan Wang, Quanxi Jia, Adnan Mehonic, Judith L. MacManus‐Driscoll   +17 more
wiley   +1 more source

Stretchable nanogenerator with micro-nano hierarchical interfaces for self-powered biometric authentication

npj Flexible Electronics
Multifunctional integration and heterogeneous surface integration are two crucial challenges in the in-depth use and development of triboelectric nanogenerators (TENGs) in the wearable electronic field.
Hai-Tao Deng, Yi-Xuan Xia, Yu-Chi Liu, Beomjoon Kim, Xiao-Sheng Zhang   +4 more
doaj   +1 more source

Computational Modelling-Based Device Design for Improved mmWave Performance and Linearity of GaN HEMTs

IEEE Journal of the Electron Devices Society, 2020
In this work, a comprehensive, TCAD based design approach for mmWave (mmW) GaN HEMTs is presented. Unique trade-offs between epi-layer design and HEMT's mmW performance are discussed. Effect of surface states on cut off frequency is modeled and presented.
Ankit Soni, Mayank Shrivastava
doaj   +1 more source

Broadband RF-distribution amplifier [PDF]

, 1972
Radio frequency amplifier to distribute reference frequencies within communications systems and provide automatic gain control with low phase distortion is described.
Lutes, G. F., Jr.
core   +1 more source

Versatile Selective Soldering via Molten Metal Printing for Heat‐Sensitive 3D Electronics and Smart Wearables

Advanced Functional Materials, EarlyView.
Selective soldering via molten metal printing enables component integration, even in heat‐sensitive applications across fields like additive manufacturing, sustainable electronics, and smart textiles. This method overcomes the temperature limitations of existing technologies.
Dániel Straubinger, Peter Koltay, Roland Zengerle, Sabrina Kartmann, Zhe Shu   +4 more
wiley   +1 more source

Gallium-incorporated TiO2 thin films by atomic layer deposition for future electronic devices

Frontiers in Materials
Titanium dioxide (TiO2) with advantages including abundance in earth, non-toxicity, high chemical stability, surface hydrophobicity in dark, and extremely high permittivity could be highly promising for advanced electronics.
Qingxuan Sun, Yingzhen Lin, Chaoya Han, Ze Yang, Ying Li, Yuping Zeng, Weifeng Yang, Jie Zhang   +7 more
doaj   +1 more source