Results 31 to 40 of about 15,870,319 (209)

Neuromorphic Devices for Extreme Environments: State‐Variable Reliability and Stabilization Strategies

Advanced Functional Materials, EarlyView.
Neuromorphic devices for extreme environments are interpreted through the physical states that store and process information. Radiation, temperature extremes, and vacuum can perturb vacancies, filaments, trapped charges, polarization, interfaces, and readout signals.
Taehyun Park, Geon Park, Junhyung Cho, Jaechan Song, Wangmyung Choi, Jaehyun Hur, Nicola Gasparini, Hocheon Yoo   +7 more
wiley   +1 more source

A Dual-band Microstrip Slotted Antenna for UHF and Microwave RFID Readers [PDF]

, 2018
In this paper a new and simple dual-band microstrip slot antenna design combined with two inverted L-shaped slots integrated in the radiating patch is presented.
Zbitou, Jamal; Hassan 1st University, Elabdellaoui, Laarbi; Hassan 1st University, Bennis, Hamid; Moulay Ismail University, Meknes, Abdelmounim, El Hassane; Hassan 1st University, Latrach, Mohamed; Microwave Group, Hamraoui, Ahmed El; Hassan 1st University, Laarbi Elabdellaoui, El Hassan Abdelmounim, Mohamed Latrach, Hamid Bennis, El Hassane Abdelmounim, Ahmed El Hamraoui, Ahmed Errkik, Jamal Zbitou   +13 more
core   +1 more source

A Miniaturized Autonomous Thermomagnetic Generator

Advanced Functional Materials, EarlyView.
Micro, autonomous and high power thermomagnetic generator operating between a heat dissipator and a processor. ABSTRACT Thermomagnetic generators (TMG) are promising devices for converting low‐grade waste heat into electricity. Self‐actuation using permanent magnets is the key to autonomy.
Morgan Almanza, Doan Nguyen Ba, Nesrine Belkadi, Erika Fontana, Jean‐Eudes Duvauchelle, Sukhendu Sadhukhan, Loïc Becerra, Thibaut Devillers, Massimiliano Marangolo, Fabien Parrain, Nora M. Dempsey, Martino LoBue   +11 more
wiley   +1 more source

Effect of antenna element properties and array orientation on performance of MIMO systems [PDF]

, 2004
This paper presents a MIMO throughput based assessment of three candidate antenna arrays, each of which was constructed from a different type of antenna element. A model of the MIMO channel resolved in orthogonal polarization planes was employed to apply
Rogers, PR, Nix, AR, Phill Rogers, Mark Beach, Beng Sin Lee, Geoff Hilton, Lee, BS, Arindam Pal, Andy Nix, Pal, A, Beach, MA, Hilton, GS, M. Beach, P. Rogers, A. Nix, A. Pal, G. Hilton   +16 more
core   +1 more source

A Miniaturized Circularly Polarized Antenna Using a Meandered Folded-Shorted Patch Array for CubeSats [PDF]

, 2020
The design and operation of a miniaturized antenna array offering circularly polarized (CP) radiation for CubeSats and other micro-satellites is presented.
Anagnostou, Dimitris E.; id_orcid, Symon K. Podilchak, Li, Yuepei, Yuepei Li, Podilchak, Symon K., Dimitris E. Anagnostou   +5 more
core   +1 more source

Biodegradable Conductors for Implantable and Wearable Transient Bioelectronics

Advanced Functional Materials, EarlyView.
Biodegradable conductors are essential building blocks for transient bioelectronics, enabling temporary sensing, stimulation, and energy transfer while eliminating the need for device retrieval. This review summarizes biodegradable metals, conducting polymers, ionic conductors, and conductive composites, highlighting degradation mechanisms, material ...
Yicheng Zhu, Yijun Liu, Naoji Matsuhisa
wiley   +1 more source

Self‐Healing Hydrogel‐Enabled Modular Assembly of Bilayered Skin Construct for Hair Follicle Regeneration

Advanced Healthcare Materials, EarlyView.
Self‐healing assembly of two cell‐laden hydrogel layers creates a biomimetic skin construct that restores both dermal and epidermal functions, resulting in accelerated wound healing and enhanced hair follicle regeneration in a full‐thickness skin wound model. ABSTRACT Alopecia remains a pervasive clinical challenge, largely owing to the limited ability
JaeWook Park, Su Yong Kim, MinSu Jeong, Beom Joon Kim, Shin Hyuk Kang, Won‐Gun Koh   +5 more
wiley   +1 more source

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

A new multipath mitigation method for GNSS receivers based on antenna array [PDF]

, 2012
the potential of small antenna array for multipath mitigation in GNSS systems is considered in this paper. To discriminate the different incoming signals (Line of sight and multipaths), a new implementation of the well known SAGE algorithm is proposed ...
Rougerie, Sébastien, Carrie, Guillaume, Monnerat, Michel, Ries, Lionel, Vincent, François   +4 more
core   +1 more source

Plasmon‐Enhanced Second‐Harmonic Generation in Atomically Thin Crystalline Silver Nanostructures

Advanced Materials, EarlyView.
Atomically thin crystalline silver films combine vertical quantum confinement with lateral plasmonic field enhancement to boost second‐harmonic generation. Nanoribbon and nanotriangle arrays enable geometry‐tunable infrared plasmon resonances, producing strong SHG from deeply subwavelength metallic volumes compatible with silicon‐based nanophotonics ...
Saad Abdullah, Philipp K. Jenke, Andrew P. Weber, Álvaro Rodríguez Echarri, Vahagn Mkhitaryan, Fadil Iyikanat, Frederik Schiller, Philip Walther, J. Enrique Ortega, Lee A. Rozema, F. Javier García de Abajo   +10 more
wiley   +1 more source