Results 91 to 100 of about 32,551 (228)

Hybrid TiN ‐ MXene Photoanodes Drive Efficient Photoelectrochemical Water Splitting

open access: yesSolar RRL, Volume 10, Issue 5, 12 March 2026.
The photoelectrochemical (PEC) system based on an optimized TiO2‐MXene‐TiN hybrid (MXene:TiN 1:4 wt %) hybrid network sensitized with CdS/CdSe/ZnS QDs yields a photocurrent density of 15.80 mA cm−2 under 1 sun illumination (AM 1.5G, 100 mW cm−2, having 55% higher than control TiO2/QDs device (7.20 mA cm−2).
Parul Bansal   +4 more
wiley   +1 more source

Design and Fabrication of High Dielectric GRIN Lens for a Directive Antenna Using a Hybrid Filled Voxel Additive Manufacturing Technique

open access: yesAdvanced Materials Technologies, Volume 11, Issue 5, 6 March 2026.
Hybrid‐filled voxel AM enables integration of high‐permittivity materials into additively manufactured devices. Using this approach, a graded refractive index (GRIN) lens is demonstrated, achieving a 50% antenna size reduction with enhanced directivity.
Qianfang Zheng   +4 more
wiley   +1 more source

Engineered Optical Fibers for Deep‐Tissue Applications

open access: yesAdvanced Optical Materials, Volume 14, Issue 10, 13 March 2026.
This review establishes a foundational framework for designing optical fibers for deep‐tissue medicine. It systematically links material innovations like polymers and hydrogels with structural paradigms to enable state‐of‐the‐art diagnostics, including endoscopy and biosensing, and targeted therapeutics, guiding future clinical translation.
Yuzhen Li   +16 more
wiley   +1 more source

Do's and Don'ts When Visiting Circularly Polarized Luminescence

open access: yesAdvanced Optical Materials, Volume 14, Issue 11, 20 March 2026.
This perspective presents our insights into the principles, challenges, and opportunities of circularly polarized luminescence (CPL). Highlighting key concepts such as the dissymmetry factor (glum) and molecular design strategies, we discuss advances in CPL efficiency, emerging NIR emitters, solid‐state applications, and the growing role of theory and ...
Rafael G. Uceda   +9 more
wiley   +1 more source

Analysis of Energy Consumption Performance towards Optimal Radioplanning of Wireless Sensor Networks in Heterogeneous Indoor Environments [PDF]

open access: yes, 2014
In this paper the impact of complex indoor environment in the deployment and energy consumption of a wireless sensor network infrastructure is analyzed.
Azpilicueta, L.   +5 more
core   +1 more source

Super‐Robust Telecommunications Enabled by Topological Half‐Supermodes

open access: yesAdvanced Science, Volume 13, Issue 13, 3 March 2026.
Through topological half‐supermode engineering, we realize a valley‐ridge gap waveguide that is directly compatible with conventional waveguides and features topological protection. This design halves the lateral size via a PEC boundary, enabling direct TE₁₀‐mode matching and robust bend‐immune transmission.
Rui Zhou   +8 more
wiley   +1 more source

Analysis of the structural reliability of communication networks supporting protective switching mechanisms for one protected section and one backup section

open access: yesРоссийский технологический журнал
Objectives. The service level agreement is an important tool used in building reasonable relations between subscribers and operators of telecommunication networks. This includes the quality of services provided.
K. А. Batenkov, A. B. Fokin
doaj   +1 more source

Machine Learning Driven Window Blinds Inspired Porous Carbon‐Based Flake for Ultra‐Broadband Electromagnetic Wave Absorption

open access: yesAdvanced Science, Volume 13, Issue 17, 23 March 2026.
Inspired by the regulation mechanism of window blinds, this study designs an electromagnetic wave‐absorbing metamaterial. By introducing the magneto‐electric coupling concept and integrating it with an artificial intelligence‐based data‐driven collaborative optimization strategy, the material optimizes impedance matching performance and enhances loss ...
Zhe Wang   +9 more
wiley   +1 more source

Advancing Satellite Network Performance: Network Analysis for Federated Satellite Systems

open access: yesIEEE Access
An increasing number of satellite constellations being deployed in orbit fosters the introduction of a more efficient paradigm of distributed, interconnected orbital assets to ensure better resource exploitation in orbit.
Simone Scrocciolani   +4 more
doaj   +1 more source

Performance of TCP/UDP under Ad Hoc IEEE802.11

open access: yes, 2003
TCP is the De facto standard for connection oriented transport layer protocol, while UDP is the De facto standard for transport layer protocol, which is used with real time traffic for audio and video.
Aboelaze, Mokhtar, Petrovic, Milenko
core   +1 more source

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