Results 121 to 130 of about 2,337 (289)

Concept for advanced satellite communications and required technologies [PDF]

The advanced communications technology satellite (ACTS) program of NASA is aimed at the development of high risk technologies that will enable exploiting higher frequency bands and techniques for improving frequency reuse.
Ramler, J. R., Salzman, J. A.
core   +1 more source

Micropatterned Biphasic Printed Electrodes for High‐Fidelity on‐Skin Bioelectronics

Advanced Functional Materials, EarlyView.
Micropatterned biphasic printed electrodes achieve unprecedented skin conformity and low impedance by combining liquid‐metal droplets with microstructured 3D lattices. This scalable approach enables high‐fidelity detection of ECG, EMG, and EEG signals, including alpha rhythms from the forehead, with long‐term comfort and stability.
Manuel Reis Carneiro, Telmo Lopes, André F. Silva, Carmel Majidi, Mahmoud Tavakoli   +4 more
wiley   +1 more source

Synchronisation of a distributed control and data acquisition system for modular multi-level PHIL amplifiers

The Journal of Engineering, 2019
This research presents a novel technique to synchronise a modular control and data acquisition system for the testing of multi-level power hardware-in-the-loop (PHIL) amplifiers.
Kenneth D. Sands, Mark A. H. Broadmeadow, Mark A. H. Broadmeadow, Geoffrey R. Walker   +3 more
doaj   +1 more source

Adjustable Trifunctional Mid-Infrared Metamaterial Absorber Based on Phase Transition Material VO₂. [PDF]

Nanomaterials (Basel), 2023
Lian Y, Li Y, Lou Y, Liu Z, Jiang C, Hu Z, Wang J.   +6 more
europepmc   +1 more source

Prospects of Electric Field Control in Perpendicular Magnetic Tunnel Junctions and Emerging 2D Spintronics for Ultralow Energy Memory and Logic Devices

Advanced Functional Materials, EarlyView.
Electric control of magnetic tunnel junctions offers a path to drastically reduce the energy requirements of the device. Electric field control of magnetization can be realized in a multitude of ways. These mechanisms can be integrated into existing spintronic devices to further reduce the operational energy.
Will Echtenkamp, Brahmdutta Dixit, Yifei Yang, Deyuan Lyu, Thomas Peterson, Qi Jia, Yu‐Chia Chen, Jian‐Ping Wang   +7 more
wiley   +1 more source

Filament-free memristors for computing. [PDF]

Nano Converg, 2023
Choi S, Moon T, Wang G, Yang JJ.
europepmc   +1 more source

Controlled Aggregation of Pyrene‐Based Supramolecular Nanostructures for Light‐Driven Switchable H2 or H2O2 Production

Advanced Functional Materials, EarlyView.
This work reports the self‐assembly of a pyrene derivative into two distinct nanostructures and their application in visible‐light photocatalysis. The two nanostructures exhibit completely different yet complementary photocatalytic activities, promoting either H2 or H2O2 evolution.
Marianna Barbieri, Matilde Doardo, Ilaria Fortunati, Anna Fortunato, Elisabetta Collini, Francesca Arcudi, Luka Ðorđević   +6 more
wiley   +1 more source

A novel vehicle power line communication method based on switching ripple modulation

IET Power Electronics
Power converters can perform power conversion and data transmission simultaneously. With the aim of mitigating the hardware requirements of vehicle power line communication (VPLC), a novel VPLC scheme based on switching ripple modulation (SRM) is ...
He Zhu, Zhiyuan Xie, Wangbin Cao, Zonglong Bai, Zhengwei Hu   +4 more
doaj   +1 more source

Transmissive terahertz metasurfaces with vanadium dioxide split-rings and grids for switchable asymmetric polarization manipulation. [PDF]

Sci Rep, 2022
Serebryannikov AE, Lakhtakia A, Vandenbosch GAE, Ozbay E.   +3 more
europepmc   +1 more source

Low‐Symmetry Weyl Semimetals: A Path to Ideal Topological States

Advanced Functional Materials, EarlyView.
This study presents a theoretical framework for realizing ideal Weyl semimetals, where Weyl nodes are well‐isolated at the Fermi level. The approach is exemplified in the low‐symmetry material Cu2SnSe3, which exhibits tunable topological phases, current‐induced orbital magnetization, and a strong circular photogalvanic effect, making it a promising ...
Darius‐Alexandru Deaconu, Varun Shah, Rodion Vladimirovich Belosludov, Mohammad Saeed Bahramy   +3 more
wiley   +1 more source