Results 71 to 80 of about 55,925 (298)

Investigation of structure, mechanical properties and crystallization of aluminum alloys containing aluminum oxide nanoparticles

open access: yesMATEC Web of Conferences, 2018
A357 and 6082 aluminum alloys strengthened by aluminum nitride nanoparticles were obtained. The process of crystallization of the A357-0.5 wt% Al2O3 and 6082-0.5 wt% Al2O3 alloys was studied under conditions of varying the cooling rate. The A357 and 6082
Valikhov Vladimir   +4 more
doaj   +1 more source

Strain-driven light polarization switching in deep ultraviolet nitride emitters

open access: yes, 2011
Residual strain plays a critical role in determining the crystalline quality of nitride epitaxial layers and in modifying their band structure; this often leads to several interesting physical phenomena.
D. Naveh   +3 more
core   +1 more source

Memristor‐Driven Active‐Matrix Organic Light‐Emitting Diode for Energy Efficient and High‐Resolution Displays

open access: yesAdvanced Functional Materials, EarlyView.
This study demonstrates that memristors can replace conventional 2T–1C driving circuits with simplified 1T–1 m architectures by exploiting resistance switching. With ultra‐low switching voltages (< ±0.2 V) and multi‐level resistance states, the memristors precisely control the current injected into organic light‐emitting diodes (OLEDs).
Dong Hyun Kim   +6 more
wiley   +1 more source

Preparation and properties of a new high-energy metal (W) film/aluminum nitride system energy exchanger electrothermal pyrogenant

open access: yesAIP Advances
In order to improve the safety and energy exchange efficiency of electric thermal pyrotechnic devices, a new energy exchange element technology of high energy metal (W) film/aluminum nitride ceramic was explored by taking advantage of the high thermal ...
Mi Zhou   +8 more
doaj   +1 more source

Characterization of the nitrogen split interstitial defect in wurtzite aluminum nitride using density functional theory

open access: yes, 2014
We carried out Heyd-Scuseria-Ernzerhof hybrid density functional theory plane wave supercell calculations in wurtzite aluminum nitride in order to characterize the geometry, formation energies, transition levels and hyperfine tensors of the nitrogen ...
A. Gali   +8 more
core   +1 more source

A Modular Bioinstructive Platform Reveals Mechanistic Insights into Additive‐Free, Topography‐Driven Osteogenesis

open access: yesAdvanced Healthcare Materials, EarlyView.
Engineered microparticle topographies direct human mesenchymal stem cell osteogenesis without biochemical additives. This osteogenic commitment is driven by canonical Hedgehog signaling and followed by temporal IGF‐II engagement. Two‐photon polymerization demonstrates spatial control, enabling the engineering of topographical gradients that pattern ...
Fatmah I. Ghuloum   +5 more
wiley   +1 more source

Comprehensive investigation of GaN and AlN-on-GaN JBS diodes: optimizing inter-p + spacing for high-power applications

open access: yesDiscover Electronics
A thorough investigation of Gallium Nitride and Aluminum Nitride-on-Gallium Nitride Junction Barrier Schottky diodes, focusing on inter-p + spacings of 0.5 to 2.5 μm, was conducted to optimize the performance for high-power, high-frequency, and high ...
Sana Nasir, Gul Hassan, Habib Ahmad
doaj   +1 more source

Boron-nitride and aluminum-nitride “Pringles” and flapping motion

open access: yesChem. Commun., 2014
Boron-nitride and aluminum-nitride “Pringles”: flexible structures in solution with flapping motion.
Wei, Fa, Shuang, Chen, Xiao Cheng, Zeng
openaire   +3 more sources

Bacteria‐Responsive Nanostructured Drug Delivery Systems for Targeted Antimicrobial Therapy

open access: yesAdvanced Materials, EarlyView.
Bacteria‐responsive nanocarriers are designed to release antimicrobials only in the presence of infection‐specific cues. This selective activation ensures drug release precisely at the site of infection, avoiding premature or indiscriminate release, and enhancing efficacy.
Guillermo Landa   +3 more
wiley   +1 more source

Development of Lumped Element Kinetic Inductance Detectors for NIKA [PDF]

open access: yes, 2011
Lumped-element kinetic inductance detectors(LEKIDs) have recently shown considerable promise as direct absorption mm-wavelength detectors for astronomical applications.
Benoit, A.   +12 more
core   +1 more source

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