Results 61 to 70 of about 20,416 (253)

Uniform Amorphization of Crystalline Silicon Surfaces Enabled by Deep Ultraviolet Femtosecond Laser Pulses

Advanced Engineering Materials, EarlyView.
Deep‐UV (258 nm) femtosecond pulses enable uniform amorphous silicon writing on Si(100)/(111) with a six‐fold larger fluence amorphization window than NIR methods. Optimized fluence and overlap yield 20–45 nm uniform and continuous amorphous layers. Microscopy shows sharp interfaces, and real‐time reflectivity reveals nanosecond melt–resolidification ...
Wissal Benali, Magali Gregoire, Matys Guyard, Tatiana Itina, David Grojo, Pol Sopeña   +5 more
wiley   +1 more source

An Improved Linearization Circuit Used for Optical Rotary Encoders

Measurement Science Review, 2017
Optical rotary encoders generate nonlinear sine and cosine signals in response to a change of angular position that is being measured. Due to the nonlinear shape of encoder output signals, encoder sensitivity to very small changes of angular position is ...
Jovanović Jelena, Denić Dragan, Jovanović Uglješa   +2 more
doaj   +1 more source

Superlubricity and Corrosion Inhibition Properties of Solvate Ionic Liquids in Hybrid Carbon Fiber Reinforced Plastic–Steel Interfaces

Advanced Engineering Materials, EarlyView.
Solvate ionic liquids lubrication reduced the coefficient of friction by ∼60% compared to dry sliding, reaching steady‐state values as low as 0.04–0.05. Corrosion weight‐loss measurements in 1 M HCl further demonstrated significant inhibition behavior, with only 100 ppm of [Li(G3)][TFSI] (∼68.5 μL/L) reducing corrosion‐product weight loss by 63 ...
Sameh Dabees, Timothy Harte, Bhagya Dharmasiri, Y. Athulya Wickramasingha, David J. Hayne, Daniel J. Eyckens, Luke C. Henderson   +6 more
wiley   +1 more source

All‐in‐One Analog AI Hardware: On‐Chip Training and Inference with Conductive‐Metal‐Oxide/HfOx ReRAM Devices

Advanced Functional Materials, EarlyView.
An all‐in‐one analog AI accelerator is presented, enabling on‐chip training, weight retention, and long‐term inference acceleration. It leverages a BEOL‐integrated CMO/HfOx ReRAM array with low‐voltage operation (<1.5 V), multi‐bit capability over 32 states, low programming noise (10 nS), and near‐ideal weight transfer.
Donato Francesco Falcone, Victoria Clerico, Wooseok Choi, Tommaso Stecconi, Folkert Horst, Laura Bégon‐Lours, Matteo Galetta, Antonio La Porta, Nikhil Garg, Fabien Alibart, Bert Jan Offrein, Valeria Bragaglia   +11 more
wiley   +1 more source

FEATURES OF ANALOG-TO-DIGITAL CONVERSION IN MULTIPLE ELECTROCARDIOSIGNAL RECORDING SYSTEM

Измерение, мониторинг, управление, контроль
Background. Digitalization of medical information is the main physical process that determines the characteristics of medical information systems. Digital tools of modern medicine allow for breakthroughs in the very approach to treatment and prevention ...
A.Yu. Bodin, O.N. Bodin, M.N. Kramm
doaj   +1 more source

From Analog to Digital-Assisted Techniques: Modern Digital-to-Analog Converter Design for High Speed and Dynamic Range

Electromagnetic Science
Digital-to-analog converters (DACs) have become indispensable in modern wireless communication systems, enabling direct synthesis of radio-frequency signals from the digital domain and thus simplifying transmitter architectures. Achieving both high speed
Kezhuo Ma, Zhifan Zhu, Jinxuan Li, Congyi Wang, Xinyu Zhou, Chengyu Huang, Teng Yi, Xueqing Li, Huazhong Yang   +8 more
doaj   +1 more source

Laser‐Induced Graphene from Waste Almond Shells

Advanced Functional Materials, EarlyView.
Almond shells, an abundant agricultural by‐product, are repurposed to create a fully bioderived almond shell/chitosan composite (ASC) degradable in soil. ASC is converted into laser‐induced graphene (LIG) by laser scribing and proposed as a substrate for transient electronics.
Yulia Steksova, Anna Chiara Bressi, Marina Galliani, Attilio Marino, Gianni Ciofani, Eduardo Machado‐Charry, Hilda Gomez Bernal, Alessandra Francini, Luca Sebastiani, Francesco Greco   +9 more
wiley   +1 more source

Audiobeam loudspeaker system based on TMS320VC5509A

Journal of Measurement Science and Instrumentation, 2012
An audiobeam loudspeaker system based on the fixed-point digital signal processor（DSP）TMS320VC5509A（VC5509A for short）is developed to emit audible sound with high directivity along a selected path.This system is composed of preamplifier,anti-aliasing ...
ZHAO Hong-liang, TIAN Xiang-e, FENG Guo-jin, SUN Ke   +3 more
doaj  

HKROC: An integrated front-end ASIC to read out photomultiplier tubes for large neutrino experiments [PDF]

EPJ Web of Conferences
The HKROC ASIC was originally designed to read out the photomultiplier tubes (PMTs) for the Hyper-Kamiokande (HK) experiment. HKROC is a very innovative ASIC capable to read out a large number of channels satisfying stringent requirements in terms of ...
Dulucq Frederic, Beauchêne Antoine, Bolognesi Sara, Bouyjou Florent, Carabadjac Denis, Conforti Di Lorenzo Selma, Firlej Miroslaw, Fiutowski Tomasz, Gastaldi Franck, Guilloux Fabrice, Idzik Marek, de La Taille Christophe, Moron Jakub, Nanni Jerome, Quilain Benjamin, Rogly Rudolph, Swientek Krzysztof, Thienpont Damien   +17 more
doaj   +1 more source

Optoelectronic Synaptic Devices Using Molecular Telluride Phase‐Change Inks for Three‐Factor Learning

Advanced Functional Materials, EarlyView.
Optoelectronic synaptic devices based on solution‐processed molecular telluride GST‐225 phase‐change inks are demonstrated for three‐factor learning. A global optical signal broadcast through a silicon waveguide induces non‐volatile conductance updates exclusively in locally electrically flagged memristors.
Kevin Portner, Dhananjeya Kumaar, Giacomo Torti, Killian Keller, Till Zellweger, Florian M. Schenk, Christoph Weilenmann, Daniel Chelladurai, Vara Prasad Jonnalagadda, Ghazi Sarwat Syed, Vanessa Wood, Jürg Leuthold, Alexandros Emboras, Maksym Yarema, Mathieu Luisier   +14 more
wiley   +1 more source