Results 41 to 50 of about 10,296 (259)
Frequency-domain imaging algorithm for ultrasonic testing by application of matrix phased arrays
MATEC Web of Conferences, 2017 Constantly increasing demand for high-performance materials and systems in aerospace industry requires advanced methods of nondestructive testing. One of the most promising methods is ultrasonic imaging by using matrix phased arrays.
Dolmatov Dmitry +2 more
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Nanoscale Spatial Tuning of Superconductivity in Cuprate Thin Films via Direct Laser Writing
Advanced Functional Materials, EarlyView.Maskless direct laser writing enables local control of oxygen stoichiometry in epitaxial YBCO thin films under ambient conditions. Sub‐micrometer grayscale patterns with tunable optical response and superconducting transport properties are achieved.
Irene Biancardi +11 more
wiley +1 more source
Research and Modeling of Mechanical Crosstalk in Linear Arrays of Ultrasonic Transducers
Archives of Acoustics, 2016 Linear arrays of ultrasonic transducers are commonly used as ultrasonic probes in medical diagnostics for imaging the interior of a human body in vivo. The crosstalk phenomenon occurs during the operation of transducers in which electrical voltages and ...
Mateusz CELMER, Krzysztof J. OPIELIŃSKI
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Advanced Functional Materials, EarlyView.Sodium alginate regulates interfacial ion transport and retention in electrolyte‐gated synaptic transistors. The carboxylate‐rich polymeric network forms a dynamic interfacial ion‐diffusion barrier that facilitates ion injection during programming while suppressing ion back‐diffusion, thereby stabilizing the electrochemically doped channel state.
Chaeyeon Han +6 more
wiley +1 more source
Advanced Functional Materials, EarlyView.An interface‐defect co‐engineered strategy enables bias‐programmable integration of self‐powered photodetection and low‐power synaptic functionalities within a single‐material amorphous Ga2O3 device. This design achieves reversible switching via voltage modulation, supporting high‐contrast imaging and visual memory, and demonstrates a neuromorphic ...
Wanjun Li +13 more
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Sonochemically Fabricated Microelectrode Arrays for Use as Sensing Platforms
Sensors, 2010 The development, manufacture, modification and subsequent utilisation of sonochemically-formed microelectrode arrays is described for a range of applications.
Stuart D. Collyer +2 more
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Mechanisms of Degradation in Li‐Ion Batteries Under Low Temperature Exposures
Advanced Functional Materials, EarlyView.Low‐temperature exposures, or freeze‐thaw cycles, are observed to significantly accelerate the degradation of Li‐ion batteries. A combination of electrolyte phase separation and mechanochemical stress leads to reversible and irreversible performance losses.
Mihir Ojha +12 more
wiley +1 more source
International Journal of Photoenergy, 2012 The formation of self-organized titanium dioxide (TiO2) nanotube arrays without bundling or clustering is essential for their high efficiency in photoelectrochemical (PEC) application.
Chin Wei Lai, Srimala Sreekantan
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A Study of Directional Patterns of Ultrasonic Parametric Array
Archives of Acoustics, 2019 The paper presents results of numerical calculations and experimental data on the directional pattern of two 38-element parametric arrays composed of ultrasound sources.
Denis Sergeevich RAKOV +5 more
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Advanced Functional Materials, EarlyView.A tubular electrowetting pump moves alternating droplets through a millimeter‐wide channel in discrete, reversible steps, functioning as a fluidic stepper motor. With no moving parts and electrodes insulated from the liquid, it delivers silent, accurate flow. Flexibility allows the pump to be woven directly into textiles for wearable, medical, and soft‐
Robert Hennig, Herbert Shea
wiley +1 more source