Results 251 to 260 of about 1,902,856 (342)

Thermal Processing Creates Water‐Stable PEDOT:PSS Films for Bioelectronics

open access: yesAdvanced Materials, Volume 37, Issue 13, April 2, 2025.
Instead of using chemical cross–linkers, it is shown that PEDOT:PSS thin films for bioelectronics become water‐stable after a simple heat treatment. The heat treatment is compatible with a range of rigid and elastomeric substrates and films are stable in vivo for >20 days.
Siddharth Doshi   +16 more
wiley   +1 more source

Unravelling the Atomic Structure of a Metal‐Covalent Organic Framework Assembled from Ruthenium Metalloligands

open access: yesAdvanced Materials, Volume 37, Issue 13, April 2, 2025.
Metal‐covalent organic frameworks (MCOFs) are novel porous materials that exhibit the advantages of covalent and metal‐organic frameworks. However, it is extremely difficult to resolve their atomic structure and better understand their structure‐properties relation. This work utilizes a synergistic combination of advanced microscopy, spectroscopic, and
Seán Hennessey   +11 more
wiley   +1 more source

Low-profile metasurface-backed wideband antenna array for mm-wave applications. [PDF]

open access: yesSci Rep
Kiani SH   +6 more
europepmc   +1 more source

Multiplicative Array Antenna

open access: yesMultiplicative Array Antenna
openaire  

Direction-of-Arrival Estimation for Large Antenna Arrays With Hybrid Analog and Digital Architectures

IEEE Transactions on Signal Processing, 2022
The large antenna arrays with hybrid analog and digital (HAD) architectures can provide a large aperture with low cost and hardware complexity, resulting in enhanced direction-of-arrival (DOA) estimation and reduced power consumption.
Ruoyu Zhang, B. Shim, W. Wu
semanticscholar   +1 more source

Radar Cross Section Reduction of Wideband Vivaldi Antenna Arrays with Array-Level Scattering Cancellation

IEEE Transactions on Antennas and Propagation, 2022
Wideband phased antenna arrays always contribute large radar cross section (RCS) to low-observed platforms. Low-scattering wideband phased antenna arrays are thus highly demanded.
Yuewen Gou, Yikai Chen, Shiwen Yang
semanticscholar   +1 more source

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