Results 241 to 250 of about 354,316 (303)
Development of Heat Engines Powered by Twisted and Coiled Polymer Fiber Actuators
Advanced Materials Technologies, EarlyView.Continuously rotating engines driven by thermally responsive actuating materials can turn waste heat into useful energy. For the first time heat engines operated by twisted and coiled polymer fiber actuators are demonstrated with engine design guided by two simple analytical models.
Geoffrey M. Spinks +2 more
wiley +1 more source
Micro Elastofluidics for Tuneable Droplet Merging
Advanced Materials Technologies, EarlyView.This technical paper provides a proof of concept of fully flexible and stretchable microfluidic technology for tuneable droplet mixing and merging. The phenomenon is justified through theoretical, numerical and experimental studies. ABSTRACT Droplet microfluidics enables precise handling of discrete fluid volumes at the microscale, with broad ...
Uditha Roshan +8 more
wiley +1 more source
Advanced Materials Technologies, EarlyView.This work highlights the impact of incorporating graphene nanoflakes into precursor inks of MAPbBr3 for inkjet‐printed optoelectronic device applications. A substantial modification of the crystallization dynamics is reported despite miniscule concentrations.
Kenneth Lobo +12 more
wiley +1 more source
Experimental Evidence of Free Carrier Generation in 2D Hybrid Organic–Inorganic Perovskites
Advanced Optical Materials, EarlyView.ABSTRACT Despite the significant potential of 2D hybrid organic–inorganic perovskites (2DHOIPs) for high‐efficiency optoelectronics application‐comparable to their 3D counterparts, the fundamental carrier photogeneration remains unclear. In contrast to conventional ultrafast optical property characterization, we use ultrafast photocurrent spectroscopy ...
Tuhin Ghosh +8 more
wiley +1 more source
Radiative Cooling by Green(er) Solvents‐Upcycled Polyvinyl Chloride From Drug Blisters Waste
Advanced Optical Materials, EarlyView.This study explores upcycling poly(vinyl chloride) (PVC) from used pharmaceutical blisters into sustainable radiative cooling materials. Using solvent separation and membrane fabrication, PVC was converted into white membranes paired with aluminum foil.
Andrea Lanfranchi +2 more
wiley +1 more source
Quantum Electrometry of Non‐Volatile Space Charges in Diamond
Advanced Optical Materials, EarlyView.Charges are generated when nitrogen vacancy qubits in diamond are illuminated by light. Transport and trapping in an electric field leads to the formation of large, stable space charge patterns that dynamically screen applied electric fields, impacting electric field sensing and photoelectric detection.
Russell M Goldblatt +4 more
wiley +1 more source
Micromachined Double‐Membrane Mechanically Tunable Metamaterial for Thermal Infrared Filtering
Advanced Photonics Research, Volume 6, Issue 5, May 2025.Herein, a mechanically tunable double‐layer plasmonic metamaterial leveraging the extraordinary optical transmission effect observed in subwavelength arrays of openings within thin metal layers is presented. The concept is experimentally validated by integrating the proposed metamaterial structure into an electrostatic parallel‐plate actuator to create
Oleg Bannik +7 more
wiley +1 more source
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Journal of the American Medical Association, 1941
In the fabrication of heavier metal products, welding already has extensively replaced bolts and rivets. Automobiles, trucks, ships, tanks, refrigerators, bridges and road machinery are representative of products now manufactured with welding as the chief means for uniting metallic parts.
STUART F. MEEK +2 more
openaire +1 more source
In the fabrication of heavier metal products, welding already has extensively replaced bolts and rivets. Automobiles, trucks, ships, tanks, refrigerators, bridges and road machinery are representative of products now manufactured with welding as the chief means for uniting metallic parts.
STUART F. MEEK +2 more
openaire +1 more source
Journal of the A.I.E.E., 1929
The origin of flames from arcs is considered. Their low dielectric strength is attributed to ionization, and their rate of recovery of normal dielectric strength is computed. The large influence of temperature is brought out. Computations are given and experiments described which show how flames can be reduced by passing the arc gases through narrow ...
openaire +1 more source
The origin of flames from arcs is considered. Their low dielectric strength is attributed to ionization, and their rate of recovery of normal dielectric strength is computed. The large influence of temperature is brought out. Computations are given and experiments described which show how flames can be reduced by passing the arc gases through narrow ...
openaire +1 more source
Physics Bulletin, 1960
By J. M. Somerville London : Methuen & Co. Ltd. Pp. ix + 150. Price 12s. 6d. The literature on arc discharges is notoriously scanty in spite of the fundamental and technical interest in such work. Apart from some excellent publications in German there are virtually no comprehensive publications on the subject.
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By J. M. Somerville London : Methuen & Co. Ltd. Pp. ix + 150. Price 12s. 6d. The literature on arc discharges is notoriously scanty in spite of the fundamental and technical interest in such work. Apart from some excellent publications in German there are virtually no comprehensive publications on the subject.
openaire +1 more source