Results 51 to 60 of about 1,655,438 (284)

Nitrospinics: Nitride Materials for Spin‐Orbit and Orbital Torques From Memory to Artificial Intelligence

Advanced Functional Materials, EarlyView.
Further advances in applications can be anticipated through the development of unique and functional materials beyond conventional alloys. Nitrogen enables tailor‐made orbital textures in various transition‐metal hosts, paving the way for devices ranging from spintronics memory to artificial intelligence hardware.
Prabhat Kumar, Gaurav Kumar Shukla, Yoshio Miura, Shinji Isogami   +3 more
wiley   +1 more source

Designing, Building, and Characterizing RF Switch-based Reconfigurable Intelligent Surfaces [PDF]

, 2022
In this paper, we present our experience designing, prototyping, and empirically characterizing RF Switch-based Reconfigurable Intelligent Surfaces (RIS). Our RIS design comprises arrays of patch antennas, delay lines and programmable radio-frequency (RF)
Sciancalepore, Vincenzo, Asadi, Arash, Garcia-Saavedra, Andres, Rossanese, Marco, Mursia, Placido, Costa-Perez, Xavier   +5 more
core   +2 more sources

A Survey on Federated Learning in RIS, STAR-RIS, and BD-RIS-Assisted Wireless Networks

IEEE Open Journal of the Communications Society
The advent of sixth-generation (6G) wireless networks has spurred growing interest in technologies capable of simultaneously meeting stringent requirements for capacity, latency, energy efficiency (EE), and security.
Isabel Francine Mendes, Diana Laura F. Duarte, Luiz Gustavo B. Guedes, Lucas S. Souza, Rafael S. Silva, Victoria D. P. Souto, Richard D. Souza   +6 more
doaj   +1 more source

Autonomous Reconfigurable Intelligent Surfaces Through Wireless Energy Harvesting [PDF]

, 2022
In this paper, we examine the potential for a reconfigurable intelligent surface (RIS) to be powered by energy harvested from information signals. This feature might be key to reap the benefits of RIS technology's lower power consumption compared to ...
Abadal Cavallé, Sergi, Martins, Wallace Alves, Alexiou, Angeliki, Lazarakis, Fotis, Abadal, Sergi, ALVES MARTINS, Wallace, Boulogeorgos, Apostolos-Alexandros A., Selimis, Dimitrios, NTONTIN, Konstantinos, Björnson, Emil, CHATZINOTAS, Symeon, KISSELEFF, Steven, Boulogeorgos, Alexandros Apostolos A., Björnson, Emil,, Boulogeorgos, Alexandros-Apostolos A.,, Selimis, Dimitrios,, Alexiou, Angeliki,, Chatzinotas, Symeon,, Ntontin, Konstantinos,, Martins, Wallace Alves,, Kisseleff, Steven,, Abadal, Sergi,, Lazarakis, Fotis,   +22 more
core   +1 more source

Bistable Isochoric Chiral Metamaterials with Reprogrammable Multiaxial Responses

Advanced Functional Materials, EarlyView.
An isochoric bistable rotational unit cell enables in situ modification of internal contact conditions post‐fabrication, without altering the global envelope dimensions of the surrounding architecture. By selectively switching between open and closed states, the tessellated chiral metamaterial can reprogram its volumetric response, including bulk ...
Shujia Chen, Lei Wu, Jingran Liu, Damiano Pasini   +3 more
wiley   +1 more source

System and method implementing uplink via configurable intelligent surfaces

Demandeurs : Institut Mines Télécom, INSA Rennes, CNRS, Université Rennes, Université Nantes, Ecole CentraleSupelec, Date de dépôt : 13/10/2023, N° de dépôt : EP20230306795NOMA uplink communications via Reconfigurable Intelligent surfaces are proposed ...
Youssef, Marie-Josépha, Farah, Joumana, Abdel Nour, Charbel, Doumit, Joseph   +3 more
core   +7 more sources

A Practical and Simple Detection and Identification Scheme for RIS-Assisted Systems

IEEE Open Journal of the Communications Society
Reconfigurable intelligent surface (RIS)-empowered communication is one of the promising physical layer enabling technologies for the upcoming sixth generation (6G) wireless networks due to their unprecedented capabilities in shaping the wireless ...
Aymen Khaleel, Recep Vural, Mehmet C. Ilter, Majid Gerami, Ertugrul Basar   +4 more
doaj   +1 more source

Programming Neuromorphic Plasticity Through Ionic and Electronic Coupling in Organic Electrochemical Transistors

Advanced Functional Materials, EarlyView.
Neuromorphic plasticity in OECTs is governed by the post‐stimulus evolution of coupled ionic and electronic states. Semiconductor chemistry and morphology, electrolyte composition and interfaces, and device architecture regulate ion injection, transport, confinement, and release, shifting responses from rapidly relaxing STP to metastable memory and ...
Inho Lee, Hyoik Jang, Ji Hwan Kim, Jonghyun Won, Namhee Kim, Wonseok Shin, Giwon Lee, Eunho Lee, Daegun Kim, Sungjun Park   +9 more
wiley   +1 more source

QRIS: A QuaDRiGa-Based Simulation Platform for Reconfigurable Intelligent Surfaces

IEEE Access, 2023
Reconfigurable Intelligent Surfaces (RISs) are a promising way to improve the performance of wireless networks. However, despite the high interest in the research community, no flexible enough simulation platform allows for studying the performance of ...
Ilya Burtakov, Aleksey Kureev, Andrey Tyarin, Evgeny Khorov   +3 more
doaj   +1 more source

Recyclable Lignin‐Based Thermadapt Shape Memory Polymers With Near‐Infrared Light Response

Advanced Functional Materials, EarlyView.
ABSTRACT Covalent adaptable networks (CANs) have been designed to address the recycling challenges associated with thermosets, while preserving their mechanical properties. However, producing biobased CANs with intelligent response capabilities remains challenging.
Jian Liu, Yanfan Yang, Görkem Eylül Kaya, Huixing Cao, Joost Brancart, Niko Van den Brande, Lin Dai, Chuanling Si, Katrien V. Bernaerts   +8 more
wiley   +1 more source