Results 11 to 20 of about 6,250,950 (265)
Effects of GaN Buffer Resistance on the Device Performances of AlGaN/GaN HEMTs
We investigated the effects of GaN buffer resistance of AlGaN/GaN high-electron-mobility transistors (HEMTs) on direct current (DC), low-frequency noise (LFN), and pulsed I-V characterization performances.
Ki-Sik Im +3 more
doaj +1 more source
Low-Frequency Noise Behavior of AlGaN/GaN HEMTs with Different Al Compositions
AlxGa1−xN/GaN heterostructures with two kinds of Al composition were grown by metal organic chemical vapor deposition (MOCVD) on sapphire substrates. The Al compositions in the AlGaN barrier layer were confirmed to be 13% and 28% using high resolution X ...
Yeo Jin Choi +3 more
doaj +1 more source
Modulated Luminescence of Lanthanide Materials by Local Surface Plasmon Resonance Effect
Lanthanide materials have great applications in optical communication, biological fluorescence imaging, laser, and so on, due to their narrow emission bandwidths, large Stokes’ shifts, long emission lifetimes, and excellent photo-stability.
Jinhua Liu +10 more
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Impulse Characteristics of Soil Treated with Enhancement Materials and Various Moisture Contents
Due to the high mineral contents of additives and enhancement materials (EMs), EMs have become popular in treating soil, which expectedly improves the electrical characteristics of soil.
Usman Muhammad +2 more
doaj +1 more source
MECHANICAL PROPERTIES ENHANCEMENT OF BORON CARBIDE BASED ARMOUR MATERIALS
Lightweight armor materials made from ceramics have become a great interest in the past decades. There have been many research efforts to develop the high-performance ceramics for this particular application.
Priyadi Hartoko, Sean Li
doaj +1 more source
Characterization of Soil Enhancement Mixtures at Low-Magnitude Currents
Regarding the installation of grounding systems, it is not common for the installation site to be re-located due to high soil resistivity. Enhancement materials have been widely used for their known advantages, including their ability to reduce the ...
Fazlul Aman +3 more
doaj +1 more source
Impulse Characteristics of Various Soil-Enhancement Material Mixtures
Many studies have demonstrated that a reduction in ground impedance value occurs under high-impulse current magnitudes, due to the ionisation process in soil.
Fazlul Aman +3 more
doaj +1 more source
Performance Enhancement of Reverse Osmosis (RO) Membrane Using Nanocomposite Materials [PDF]
Many attempts were made to enhance the performance of reverse osmosis (RO) membranes in the desalination process. Using ion exchange (IX) bed before RO process and modifying the structure of RO membranes are some of these attempts.
A. Kabeel +3 more
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Hypoxia and electron-hole recombination are two obstacles limiting sonodynamic therapeutic efficacy against cancer. Herein, bismuth sulfide (Bi2S3)-titania (TiO2) heterostructure is designed based on the excellent photothermal property of Bi2S3, which ...
Rui Chen +11 more
doaj +1 more source
Evaluation of E-vehicle Efficiency Enhancement with Magnetic Materials [PDF]
Electric vehicles (EVs) commonly use BLDC (Brushless DC) motors because of their efficiency, reliability, and low maintenance needs. BLDC motors are perfect for vehicle propulsion because they convert a large portion of electrical energy into mechanical ...
Roshini R. +3 more
doaj +1 more source

