Results 21 to 30 of about 3,282 (176)

Advancing from MOFs and COFs to Functional Macroscopic Porous Constructs

Advanced Materials, EarlyView.
This review study investigates the recent progress and methodologies for manufacturing metal–organic framework (MOF) or covalent–organic framework (COF)‐based 3D structured macroscopic porous constructs with high structural integrity, providing the possibility to control their porosity across dimensions.
Seyyed Alireza Hashemi, Ahmadreza Ghaffarkhah, Ali Akbar Isari, Mahyar Panahi‐Sarmad, Feng Jiang, Orlando J. Rojas, Stefan Wuttke, Mircea Dincă, Mohammad Arjmand   +8 more
wiley   +1 more source

DNA‑Directed Assembly of Photonic Nanomaterials for Diagnostic and Therapeutic Applications

Advanced Materials, EarlyView.
DNA‐directed assembly offers a powerful strategy for constructing structured photonic nanomaterials with precise spatial control. This review provides a comprehensive overview of recent advancements in DNA‐assembled photonic nanomaterials for diagnostics and therapeutics, highlighting key design principles, functionalization strategies, and optical ...
Longjiang Ding, Bing Liu, Andreas Peil, Sisi Fan, Jie Chao, Na Liu   +5 more
wiley   +1 more source

Assessment of radio frequency interference using key performance indicators for mobile telecommunications

Discover Electronics
This study introduces a novel framework that embeds Radio Frequency (RF) interference assessment into Key Performance Indicator (KPI) analysis for mobile telecommunications.
Akeem Lawal Sheu, Olusegun Olabisi, Adebayo Segun Adewumi, Olaosebikan Akanni Aremu, Ibraheem Abiodun Azeez   +4 more
doaj   +1 more source

Spatially‐Controlled Planar Guided Crystallization of Low‐Loss Phase Change Materials for Programmable Photonics

Advanced Materials, EarlyView.
The concept of spatially‐controlled planar guided crystallization is a novel method for programming the growth of optically homogeneous low‐loss Sb2S3 phase‐change material (PCM), leveraging the directional crystallization within confined channels.
Fouad Bentata, Arnaud Taute, Capucine Laprais, Régis Orobtchouk, Eva Kempf, Alban Gassenq, Yves Pipon, Michele Calvo, Valérie Martinez, Stéphane Monfray, Guillaume Saint‐Girons, Nicolas Baboux, Hai Son Nguyen, Xavier Letartre, Lotfi Berguiga, Patrice Genevet, Sébastien Cueff   +16 more
wiley   +1 more source

Effect of the tank main gun on the radiation pattern of the monopole antenna

Vojnotehnički Glasnik, 2011
For telecommunication purposes, a monopole antenna is usually positioned on the tank turret. At low frequencies the whole tank has to be treated as a part of the antenna system.
Miroslav Lj. Đorđević
doaj   +1 more source

Smart Electrochromic Devices for Wearables

Advanced Materials Technologies, EarlyView.
This article reviews the recent progress of smart electrochromic devices in the field of intelligent wearable devices. Serving as displays, dimmers, energy‐saving and energy storage devices, and temperature management components, electrochromic devices have broad prospects in flexible displays, human–computer interaction, and personalized ...
Mengjie Zhu, Bing Xu, Tongzhuang He, Abdulhakem Y. Elezzabi, Wu Zhang, William W. Yu, Jingwei Chen   +6 more
wiley   +1 more source

Interconnected activisms in a city under socio-spatial fragmentation [PDF]

lo Squaderno
São Paulo, the largest South American metropolis, is the material and symbolic expression of a complex intertwining of socio-spatial processes that reveal a set of contradictions linked to the city’s production logic. These include segregating planning,
Gustavo Nagib, Katia A. Nakayama
doaj  

Realistic Data Delays and Alternative Inactivity Definitions in Telecom Churn: Investigating Concept Drift Using a Sliding-Window Approach

Applied Sciences
Predicting customer churn is essential for telecommunications companies to maintain profitability. However, training models on historical models leads to performance degradation when they are applied to future conditions—a phenomenon known as concept ...
Andrej Bugajev, Rima Kriauzienė, Viktoras Chadyšas   +2 more
doaj   +1 more source

Demonstration of 3D‐Printed Optical Antennas for High‐Speed Optical Wireless Communication Using Market‐Ready Materials

Advanced Materials Technologies, EarlyView.
The feasibility of 3D‐printed optical antennas using commercial, non‐optical materials for Optical Wireless Communications (OWC) is demonstrated. This study combines spectral analysis, anisotropy effects, and telecom‐relevant optical measurements, revealing promising performance and novel insights for low‐cost, customizable photonic components in ...
Mauro Aresti, Marco Meucci, Paolo Foggi, Caterina Credi, Satoshi Iketani, Cristiana Lofrumento, Jacopo Catani   +6 more
wiley   +1 more source

All‐Printed, Flexible, Organic Thermoelectric Generators for Ambient Operation with Enhanced Performance under Mechanical Bending

Advanced Materials Technologies, EarlyView.
Fully printed bipolar organic thermoelectric generators are fabricated on flexible substrates and characterized entirely under ambient conditions. The devices exhibit Seebeck coefficients up to 30 µV K−1 and output powers up to 8.8 nW, with enhanced performance under bending.
Loup Chopplet, Jiang Jing, Nicolas Battaglini, Samia Zrig, Vincent Noël, Emanuele Orgiu, Benoît Piro, Giorgio Mattana   +7 more
wiley   +1 more source