Results 201 to 210 of about 229 (225)

Unveiling α‐MoO3 as a High‐Index, Low‐Loss Anisotropic Material: Bridging the Gap From Mid‐Infrared to Ultraviolet Nanophotonics

Advanced Materials, EarlyView.
α‐MoO3 is established as a high‐index, low‐loss anisotropic platform bridging mid‐infrared polaritonics and ultraviolet‐visible nanophotonics. Spectroscopic ellipsometry and calculations reveal refractive indices exceeding 3.9, with the largest in‐plane birefringence among transparent layered crystals at 425–500 nm, enabling zero‐order UV waveplates ...
Adilet N. Toksumakov, Dmitriy V. Grudinin, Georgy A. Ermolaev, Alexey P. Tsapenko, Anton A. Minnekhanov, Konstantin V. Kravtsov, Nikolay V. Pak, Arslan B. Mazitov, Andrey A. Vyshnevyy, Aleksandr S. Slavich, Ivan A. Kruglov, Gleb I. Tselikov, Aleksey V. Arsenin, Kostya S. Novoselov, Valentyn S. Volkov   +14 more
wiley   +1 more source

Selective Electrochemical NOx Reduction to N2 for Sustainable Ammonia Energy Systems

Advanced Materials, EarlyView.
Selective electrochemical NOx reduction to N2 offers a promising route to mitigate combustion‐derived NOx emissions in ammonia energy systems. This Perspective links *NO‐mediated pathways, the key intermediate role of N2O, and low‐coverage limitations to the origins of limited N2 selectivity, establishing tandem catalysis and microenvironment ...
Zeliang Wu, Yixin Chen, Zuxin Wen, Xianbiao Fu   +3 more
wiley   +1 more source

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Class E2 resonant DC/DC power convertor

IEE Proceedings G Circuits, Devices and Systems, 1990
A new high-frequency high-efficiency resonant DC/DC convertor is introduced. It is composed of a Class E inverter and a Class E rectifier. The convertor operates with load resistances ranging from a full load to infinity. It can regulate the output voltage by varying the switching frequency over a narrow range, owing to a high value of the loaded ...
M.K. Kazimierczuk, J. Jóźwik
openaire   +1 more source

Design and analysis of the LCL resonant convertor in inductive Power Transfer system

2014 International Power Electronics and Application Conference and Exposition, 2014
In inductive Power Transfer (IPT) application, minimum supply VA rating and convertor conduction loss are two important design purposes. The LCL resonant convertor can achieve both of these objects when designed appropriately. In this paper, the LCL resonant tank is changed into two LC resonant networks, then the unity power factor compensation ...
Jikun Zhou, Fugang Wu, Rong Zhang, Xin Dai   +3 more
openaire   +1 more source

Study of a modified parallel resonance AC-DC convertor with unity power factor and high efficiency

Proceedings 1995 Canadian Conference on Electrical and Computer Engineering, 2002
This article proposes a new topology and control strategy to optimise the power factor of a parallel resonance AC/DC convertor of high power while retaining high efficiency. The static and dynamic characteristics determined by the phase-plane method and the results obtained from simulation with Matlab software are detailed and analysed with an example ...
M.C. Ghanem, S.E. Morry, K. Al-Haddad, G. Roy   +3 more
openaire   +1 more source

Novel approach to modelling series resonant convertors

IEE Proceedings, Part G: Circuits, Devices and Systems, 1989
R Unnikrishnan
exaly  

Synthesis of phase-modulated resonant DC/AC inverters and DC/DC convertors

IEE Proceedings B: Electric Power Applications, 1992
M K Kazimierczuk
exaly  

Improved current mode control technique for quantum series resonant convertors

Electronics Letters, 1990
J H Ko
exaly  

Simple and direct computer simulation of continuous-mode resonant convertors in steady state

IEE Proceedings, Part G: Circuits, Devices and Systems, 1992
R Rabinovici, B Z Kaplan
exaly