Results 121 to 130 of about 7,795 (299)

Biconical Cavity Utilised in Realising Quadruple‐ and Quintuple‐Mode Wideband Bandpass Filters

IET Microwaves, Antennas & Propagation
This work introduces the biconical cavity as a high‐performance resonator for multimode wideband bandpass filters. Unlike conventional cylindrical cavities, its tapered geometry enhances mode separation and extends the rejection band compared to an equal‐
Maha H. Elfeshawy, Hany F. Hammad, Yasmine A. Zaghloul   +2 more
doaj   +1 more source

Chirality and Organization of Adsorbates Modify Surface Phonon Dynamics

Advanced Functional Materials, EarlyView.
Chirality and molecular organization are shown to influence surface phonon dynamics in gold films. Time‐resolved Joule heating measurements reveal that ordered homochiral monolayers increase the Debye temperature and disordered layers reduce it, while ordered racemic controls have no effect.
Meital Ozeri, Eugenia Pyurbeeva, Shira Yochelis, Jonas Fransson, Ronnie Kosloff, Oded Millo, Yossi Paltiel   +6 more
wiley   +1 more source

Cyclic Olefin Copolymers as Versatile Materials for Advanced Engineering Applications

Advanced Functional Materials, EarlyView.
Cyclic olefin copolymers (COCs) are presented as highly versatile materials combining tunable synthesis, excellent optical properties, and mechanical robustness. Their potential spans microfluidics, bioengineering, and advanced electronics, while emerging self‐healing and sustainable solutions highlight future opportunities.
Giulia Fredi, Norma Mallegni, Andrea Dorigato, Mario Milazzo   +3 more
wiley   +1 more source

Coating Artificial Spider Silk Fiber with Magnetic FeCo: An Effective Strategy for Creating a Flexible Magneto‐Responsive Material

Advanced Functional Materials, EarlyView.
An original method is presented for producing artificial spider silk fibers with magnetic and magnetomechanical responsiveness, which consists in coating them with a nanometer‐thick layer of FeCo alloy by sputtering deposition. The challenge of combining organic materials and inorganic magnetic nanostructures is addressed, thus taking a step forward ...
Filippo Lanaro, Federico Spizzo, Gabriele Greco, Benjamin Schmuck, Anna Rising, Lucia Del Bianco   +5 more
wiley   +1 more source

An original topology of dual-band filter with transmission zeros

, 2003
International audienceThis paper reports on a new topology of high-performance dual-band filters. This topology is derived from the Dual Behavior Resonator (DBR) filter. The resulting resonator is directly dual-band.
Quendo, Cédric, Rius, Eric, Person, Christian   +2 more
core  

Stopband-Extended and Size-Miniaturized Low-Pass Filter Based on Interdigital Capacitor Loaded Hairpin Resonator with Four Transmission Zeros

, 2018
In this paper, a compact low-pass filter (LPF) with wide stopband is proposed based on interdigital capacitor loaded hairpin resonator. The structure composed of an upper high-impedance transmission line, a middle interdigital capacitor, and a pair of ...
Jia-Jia Wu, Lin Li
core   +1 more source

Compact and High-Selectivity SIW Multi-Channel Diplexers and Dual-Band Filters Based on the Lowest-Order Dual-Mode Box-Like Topology

IEEE Access
This paper proposes a class of compact, sharp roll-off, and substrate-integrated-waveguide (SIW) multi-channel diplexers and dual-band filters based on the lowest-order dual-mode (DM) box-like topology.
Pei-Ling Chi, Ta-Chih Yeh, Tao Yang
doaj   +1 more source

Solution‐Processed Two‐Dimensional Indium Oxide on Sodium‐Embedded Alumina for Reconfigurable Optoelectronic Synaptic Transistors

Advanced Functional Materials, EarlyView.
Wafer‐scale two‐dimensioanl In2Se3 oxidized into InOx on sodium‐embedded beta‐alumina enables multifunctional reconfigurable electronics. Sodium ions accumulate within distinct spatial distribution under drain‐controlle and gate‐controlled operation. Drain‐control operation gives controllability of ultraviolet‐driven optoelectronic synaptic conductance
Jinhong Min, Yonghyun Albert Kwon, Hyunbin Kim, Jihyun Kim, Myeongjin Jung, Jaewon Heo, Gwang Ya Kim, Vlastimil Mazanek, Zdeněk Sofer, In Soo Kim, Jeong Ho Cho, Hyesung Park, Sang Min Won, Joohoon Kang   +13 more
wiley   +1 more source

On sampled-data system zeros

, 2001
The notion of zeros of sampled-data systems were presented so that from the continuous-time viewpoint such zeros possess signal transmission blocking properties.
Yame, Joseph
core  

Ebola: Bumpy road to zero transmission

Africa Renewal, 2016
Paolo Conteh, Sierra Leone’s defence minister and head of the country’s National Ebola Response Centre, was an athlete who set a 400-metres national record in 1982 that remains unbeaten to this day. These days, Mr. Conteh uses a sporting analogy to explain the fight against the Ebola virus disease, which has resulted in more than 22,000 infections and ...
openaire   +1 more source