Results 111 to 120 of about 1,062,243 (292)
Advanced ScienceAchieving high‐performance dielectric materials remains a significant challenge due to the inherent trade‐offs between high energy storage density and low energy loss.
Yipin Cheng +6 more
doaj +1 more source
Materials & DesignThe development of broadband, high-performance electromagnetic (EM) wave absorbers in the millimeter-wave (mmWave) band requires optimizing both magnetic and dielectric losses, presenting significant challenges.
Jae Ryung Choi +5 more
doaj +1 more source
Suboptical Dielectric Losses by Condensed Nonpolar Media
, 1973 Debye theory applied to the observed microwave and far-infrared losses by nonpolar liquids based on the assumption either of (a)temporary, multipole-induced dipoles or (b) a number of equivalent equilibrium positions for the molecular charges separated ...
D. G. Frood, A. Morita
core +1 more source
Covalent Functionalization of 2D Semiconductors: A Roadmap to Advanced Electronic Devices
Advanced Functional Materials, EarlyView.This Review presents recent advances in the covalent functionalization strategies for two‐dimensional semiconductors and their implementation in modern technologies. Layered materials are modified through diverse molecular chemistries (e.g., thiols, diazonium salts, alkyl halides, and electron‐deficient species) to tailor their surface properties ...
Ramiro Quirós‐Ovies +2 more
wiley +1 more source
مجلة النهرين للعلوم الهندسية, 2014 This paper discussed the effect of frequency on dielectric properties of different weight fraction of Cu powder reinforced epoxy composite materials. Dielectric properties of epoxy material was reinforced with (0, 5, 15, 30, 45) % weight fraction of Cu ...
Walaa W. Jameel
doaj
Advances in Electrical and Electronic Engineering, 2016 The importance of nanoparticles in controlling physical properties of polymeric nanocomposite materials leads us to study effects of these nanoparticles on electric and dielectric properties of polymers in industry In this research, the dielectric ...
Ahmed Thabet Mohamed, Youssef Mobarak
doaj +1 more source
Forward‐Biased Perovskite Photodiodes for In‐Sensor Optical Change Sensing
Advanced Functional Materials, EarlyView.A forward‐biased perovskite photodiode is introduced as an in‐sensor analog preprocessing unit that uses current balancing between photocurrent and injection current to generate optical changes relative to programmable optical reference levels. The device directly converts reference‐relative optical changes into bipolar current signals, enabling sensor‐
Eungseon Yeon +14 more
wiley +1 more source
Interfacial Dielectric Losses in Co-Doped Ni-Zn Ferrites
, 1997 The temperature and frequency dependence of tg δ and ε' for Ni0.8Zn0.2CoxFe2-x ferrites was studied in the 102-106 Hz frequency range and 20-200°C temperature range. The experimental curves exhibit aspects very dependent of composition.
Steflea, M. +5 more
core +1 more source
Advanced Functional Materials, EarlyView.Rapid thermal annealing reconstructs the BCFO/Nb:STO interface into an atomically thin reconstructed interfacial layer, which reshapes the tunneling barrier and converts a high‐TER ferroelectric tunnel junction into an intrinsically nonlinear, self‐rectifying device.
Hojin Lee +21 more
wiley +1 more source
, 2019 The new main-chain benzoxazine copolymer oligomers with bulky hydrocarbon end groups are first designed and synthesized. In particular, the aliphatic diamine based copolymers owning low dielectric constants (
Tao Pang (448117) +11 more
core +1 more source