Results 61 to 70 of about 252,309 (284)
Magneto‐Ionic Devices With Polymer‐Based Electrolytes
Advanced Functional Materials, EarlyView.Polymer electrolytes are introduced for magneto‐ionic devices based on hydroxide and hydrogen ions. The magneto‐ionic effect results in a pronounced voltage‐controlled variation of coercivity in both devices. The switching speed is in the range of 100 ms.
Markus Gößler +3 more
wiley +1 more source
Two-port equivalent circuit model for UHVDC converter valves
CSEE Journal of Power and Energy Systems, 2019 UHVDC converter valves during operation may experience overvoltage, which come from the AC or DC systems to which they are connected. Therefore, building an equivalent circuit model (ECM) for the converter valve to analyze the interlayer transient ...
Ning Chen +5 more
doaj +1 more source
Advanced Functional Materials, EarlyView.This study reports a self‐powered InGaAs nanowire photodetector achieving single‐photon‐level sensitivity in the shortwave infrared at non‐cryogenic temperatures. The device demonstrates high‐speed imaging capabilities even under extremely low‐flux conditions.
Kosala Dhanawansha +10 more
wiley +1 more source
IEEE Access, 2020 Aiming to calculate the winding parasitic capacitance for high-frequency high-voltage application, this paper proposes an improved energy method by dividing the electrostatic field into several energy regions.
Xingliang Liu +5 more
doaj +1 more source
Effects of Airgaps on Parasitic Capacitance of Magnetic Components
, 2023 This article investigates the effects of airgaps between different parts of magnetic cores on the parasitic capacitance of magnetic components, which was excluded by previous research. According to the physical mechanism of the electric field in airgaps,
Zhixing Yan +5 more
core +1 more source
Multidimensional‐Encoded High‐Fidelity Spectrometers With a Floating‐Base Bipolar Junction
Advanced Functional Materials, EarlyView.A floating‐base bipolar junction photodetector enables multidimensional spectral encoding through synergistic gate‐ and drain‐bias modulation of interfacial barrier matching. The resulting complementary spectral responses form a diverse, weakly correlated response matrix, enabling robust and high‐fidelity spectral reconstruction even at sub‐nanoampere ...
Sang‐Hyeon Lee +11 more
wiley +1 more source
n‐Type Polymer Radio Frequency Rectifiers Operating at 18.5 GHz
Advanced Materials, EarlyView.Combining an n‐doped polymer semiconductor with wafer‐scale asymmetric planar electrodes featuring work function‐engineered contacts yields radio‐frequency diodes and rectifying circuits operating at up to 18.5 GHz. The devices combine scalable manufacturing with an operating frequency previously unattainable by large‐area organic electronics ...
Lazaros Panagiotidis +19 more
wiley +1 more source
Electrical engineering & Electromechanics, 2016 Purpose. Objective is to create a moisture meter for non-polar liquid dielectrics with low volumetric moisture content of more than 10‑3 %. Methodology. Moisture measuring is based on dielcometric method.
V. V. Rudakov, A. A. Korobko
doaj +1 more source
Influence Analysis of SiC MOSFET’s Parasitic Capacitance on DAB Converter Output
, 2022 This paper proposes the influence analysis of silicon carbide (SiC) MOSFET’s parasitic output capacitance on a dual active bridge (DAB) converter. Power converters are required for DC grids and energy storage.
Cheol-Woong Choi +3 more
core +1 more source
Advanced Materials, EarlyView.ABSTRACT The accelerating expansion of data‐centric technologies is sharply increasing the energy burden of information storage, placing unprecedented pressure on the efficiency of magnetic switching. Conventional field‐driven reversal, once the foundation of magnetic memory, has become impractical in modern architectures due to its high energy cost ...
Mohammad H. Badarneh +2 more
wiley +1 more source