Results 61 to 70 of about 19,006 (214)

Functionalizing Conductive Diamond: Recent Advance in Fabrication, Modifications, and Applications

open access: yesCarbon Energy, EarlyView.
This review highlights recent advancements in the synthesis, modification, and electrochemical applications of conductive diamond, particularly boron‐doped diamond (BDD). It emphasizes progress in fabrication methods, including CVD and HPHT, and explores modifications such as doping, surface terminations, and composite design, enabling significant ...
Ning Linghu, Xin Jiang, Jing Xu
wiley   +1 more source

Direct Evidence of Mg Incorporation Pathway in Vapor-Liquid-Solid Grown p-type Nonpolar GaN Nanowires

open access: yes, 2015
Doping of III-nitride based compound semiconductor nanowires is still a challenging issue to have a control over the dopant distribution in precise locations of the nanowire optoelectronic devices.
Amirthapandian, S.   +5 more
core   +2 more sources

Unraveling Mechanisms and Engineering Strategies for Superior Photocarrier Dynamics Toward Efficient Photocatalysis

open access: yesEcoEnergy, EarlyView.
Despite its potential, photocatalysis is limited by inefficient charge carrier separation and transport. This article reviews the mechanisms, characterization methods, and strategies for improvement, concluding with future challenges in the field. ABSTRACT Photocatalysis offers a promising solution to environmental and renewable energy issues. However,
Leqi Cheng   +5 more
wiley   +1 more source

Bio‐inspired nanophotonics: Structural color, chirality, and resonance metasurfaces

open access: yesInfoMat, EarlyView.
A butterfly‐wing‐inspired anisotropic plasmonic flatband resonant metasurface. Insets, photo of the butterfly, Sasakia charonda, and the SEM image of its wing scale (above); the SEM image of the metasurface (below). Abstract The dazzling colors of butterfly wings and hummingbird feathers are not painted with pigments, but crafted by nature's invisible ...
Weihan Liu, Yao Liang, Din Ping Tsai
wiley   +1 more source

An Innovative Approach to Multi‐Valued Logic

open access: yesIEEJ Transactions on Electrical and Electronic Engineering, EarlyView.
The current generation of computer systems operates on the principles of binary logic, which encompasses both logical and arithmetic operations. However, silicon technology has reached its peak performance, prompting researchers to explore alternative methods for enhancing computational efficiency. One such method is the adoption of Multi‐Valued Logic (
Ali Mokhtari, Peyman Kabiri
wiley   +1 more source

UV LED System for PL Measurements on GaN Samples [PDF]

open access: yes, 2019
Gallium Nitride materials are direct bandgap semiconductors with important applications, such as in the production of light-emitting diodes and transistors.
Pantova, Dona H
core   +1 more source

Time to Breakdown for Type I Motor Winding Insulation Under High‐Frequency High‐Slew‐Rate Square Wave Voltages

open access: yesHigh Voltage, EarlyView.
ABSTRACT The emergence of (ultra)wide bandgap ((U)WBG)‐based devices has significantly enhanced performance in high‐frequency switching applications, enabling breakthroughs in electric transportation, aerospace, and renewable energy systems. However, it also presents considerable challenges to insulation systems, such as electric motor winding ...
Easir Arafat   +3 more
wiley   +1 more source

Surface-enhanced Raman scattering of graphene caused by self-induced nanogating by GaN nanowire array

open access: yes, 2017
A constant height of gallium nitride (GaN) nanowires with graphene deposited on them is shown to have a strong enhancement of Raman scattering, whilst variable height nanowires fail to give such an enhancement.
Bożek, Rafał   +11 more
core   +1 more source

Unveiling the Potential of Reduced Graphene Oxide in Self‐Powered Photodetectors

open access: yesChemPhysChem, Volume 27, Issue 7, 14 April 2026.
Self‐powered photodetectors have emerged as advanced devices, gathering significant attention in the field of optoelectronics, particularly for their potential in power‐scarce environments. These devices can detect light and generate an electrical current with minimal or no external power supply.
Bitap Raj Thakuria   +3 more
wiley   +1 more source

Gallium Nitride High-Electron-Mobility Transistor-Based High-Energy Particle-Detection Preamplifier

open access: yesMetrology
GaN High-Electron-Mobility Transistors have gained some foothold in the power-electronics industry. This is due to wide frequency bandwidth and power handling. Gallium Nitride offers a wide bandgap and higher critical field strength compared to most wide-
Gilad Orr   +3 more
doaj   +1 more source

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