Results 61 to 70 of about 1,413,233 (284)

Bioinspired Adaptive Sensors: A Review on Current Developments in Theory and Application

Advanced Materials, EarlyView.
This review comprehensively summarizes the recent progress in the design and fabrication of sensory‐adaptation‐inspired devices and highlights their valuable applications in electronic skin, wearable electronics, and machine vision. The existing challenges and future directions are addressed in aspects such as device performance optimization ...
Guodong Gong, You Zhou, Qingxiu Li, Wenyu Zhao, Sunyingyue Geng, Hangfei Li, Yan‐Bing Leng, Shirui Zhu, Guanglong Ding, Yongbiao Zhai, Ziyu Lv, Ye Zhou, Su‐Ting Han   +12 more
wiley   +1 more source

Full‐angle beam scanning leaky‐wave antenna array based on spoof surface plasmon polaritons

IET Microwaves, Antennas & Propagation
A design scheme of high‐gain and full‐angle frequency beam scanning leaky wave antenna (LWA) and array is proposed based on spoof surface plasmon polaritons (SSPPs) slow‐wave transmission line (TL) for radar field applications.
Jun Wang, Yuqi Yao, Xianglin Kong, Ruofeng Xu, Lei Zhao   +4 more
doaj   +1 more source

Phase centre of Fabry-Pérot Cavity antennas: Leaky-wave model and analytical formulas

, 2012
The phase centre of Fabry-Pérot Cavity antennas radiating broadside pencil beams is studied adopting a leaky-wave model of their radiation mechanism. Different definitions are considered for the phase centre, both local, based on curvature properties of
BURGHIGNOLI, Paolo, Paolo Burghignoli
core   +1 more source

Energetic Offset in Organic Solar Cells‐ Importance, Confusion and Outlook

Advanced Materials, EarlyView.
Energetic offsets in organic solar cells (OSCs) remain a subject of debate due to measurement‐ and lab‐dependent discrepancies. This Perspective clarifies the physical origins of these variations and identifies temperature‐dependent electro‐optical methods as a reliable approach to obtain consistent offset values.
Nakul Jain, Xian'e Li, Mats Fahlman, Olle Inganäs, Koen Vandewal, Feng Gao   +5 more
wiley   +1 more source

Multi-Feed Holographic-Based Leaky Wave Antennas for MIMO-Radar Applications

IEEE Journal of Microwaves
This paper presents the integration and experimental validation of a multi-feed holographic-based leaky wave antenna (HLWA) array into an automotive MIMO radar system.
Thomas Frey, Nico Riese, Dominik Schwarz, Maximilian Doring, Christian Waldschmidt, Tobias Chaloun   +5 more
doaj   +1 more source

Novel modal properties and relevant scanning behaviors of phased arrays of microstrip leaky-wave antennas

, 2003
In this work, different previously-unexplored features are investigated for the radiation performance of linear phased arrays based on printed-circuit leaky-wave antennas for microwave and millimeter-wave applications.
LAMPARIELLO, Paolo, GALLI, Alessandro, FREZZA, Fabrizio, BACCARELLI, Paolo, BURGHIGNOLI, Paolo   +4 more
core   +1 more source

Role of the Recombination Zone in Organic Light‐Emitting Devices

Advanced Materials, EarlyView.
This review summarizes the critical role of the recombination zone in organic light‐emitting diodes (OLEDs). We highlight that broadening the recombination zone in OLEDs based on emissive layers with balanced charge transport and high photoluminescence quantum yields provides a promising route toward achieving both long operational lifetime and high ...
Yungui Li, Karl Leo
wiley   +1 more source

n‐Type Polymer Radio Frequency Rectifiers Operating at 18.5 GHz

Advanced Materials, EarlyView.
Combining an n‐doped polymer semiconductor with wafer‐scale asymmetric planar electrodes featuring work function‐engineered contacts yields radio‐frequency diodes and rectifying circuits operating at up to 18.5 GHz. The devices combine scalable manufacturing with an operating frequency previously unattainable by large‐area organic electronics ...
Lazaros Panagiotidis, Filip Aniés, Yiyang Yu, Mohammed Ghadiyali, Hendrik Faber, Zhanibek Bizak, Youssef Kabri, Pavlos Tzourmpakis, Suman Mandal, Linqu Luo, Temur Maksudov, Mohamad Insan Nugraha, Harold F. Mazo‐Mantilla, Patrice Vanelle, Julie Broggi, Khaled N. Salama, Udo Schwingenschlögl, Martin Heeney, Atif Shamim, Thomas D. Anthopoulos   +19 more
wiley   +1 more source

A leaky-wave analysis of the phase center in Fabry-Pérot cavity antennas

, 2012
Phase centers are studied for Fabry-Perot cavity antennas viewed as two-dimensional uniform leaky-wave antennas radiating pencil beams pointing at broadside.
BURGHIGNOLI, Paolo
core   +1 more source

“Smelltronics”—From Gas to Smell Sensing

Advanced Materials, EarlyView.
The emerging field of smelltronics, encompassing sensing technologies for complex volatile organic compounds, holds significant potential for extracting valuable chemical information. It facilitates the noninvasive, real‐time monitoring of humans, food, and the environment.
Takeshi Ono, Tsunaki Takahashi, Jiangyang Liu, Haruka Honda, Zeng Jing, Wataru Tanaka, Takuro Hosomi, Takeshi Yanagida   +7 more
wiley   +1 more source