Results 61 to 70 of about 86,621 (303)

Auto‐Generated Valence States in Electrocatalysts for Boosting Oxygen and Hydrogen Evolution Kinetics in Alkaline Water/Alkaline Seawater/Simulated Seawater/Natural Seawater

open access: yesAdvanced Functional Materials, EarlyView.
This review systematically highlights the latest achievements in mixed‐valence states relevant to hydrogen and oxygen evolution reactions, providing essential insights into future directions and methods for large‐scale practical implementation. This critical review is expected to provide an overview of recent advancements in diverse valence‐state metal
Jitendra N. Tiwari   +4 more
wiley   +1 more source

The influence of surface modification processes on the airtightness of copper sheet inserts

open access: yesAIP Advances
This study addresses the demand for improving the airtightness of copper sheet inserts in new energy vehicles by conducting surface treatments on copper sheets before injection molding.
Yiming Wen   +10 more
doaj   +1 more source

Long-term oxygen plasma etching of UDMA:TEGDMA methacrylate resin: Etching rate and physical property changes

open access: yesPolymer Testing
The effect of low-pressure oxygen plasma etching on the physical properties of a dental photopolymer, namely UDMA:TEGDMA in 3:1 wt ratio, was investigated.
Alexandra Borók   +4 more
doaj   +1 more source

Effect of two-step pretreatment on cobalt contents and surface roughness of tungsten carbide substrate prior to diamond coating [PDF]

open access: yes, 2010
Cemented tungsten carbide is the most widely used material for cutting tools. Due to extreme demands higher tool life several types of coating have been introduced to prolong the service time which include diamond coating.
Safari, Habiballah
core  

A Surface‐engineered Microfluidic Device for Antibody‐Mediated Negative Selection of High‐Quality Sperm for Assisted Reproduction

open access: yesAdvanced Functional Materials, EarlyView.
This study reports a microfluidic device with a functionalized surface utilizing a polyoxazoline coating and covalently immobilized gold nanoparticles and anti‐phosphatidylserine antibody. The device efficiently eliminates pre‐apoptotic and apoptotic spermatozoa and yields sperm with substantially improved quality and low DNA damage, offering a simple ...
Soraya Rasi Ghaemi   +5 more
wiley   +1 more source

Dry Phosphorus silicate glass etching and surface conditioning and cleaning for multi-crystalline silicon solar cell processing

open access: yesSolar Energy and Sustainable Development, 2014
As an alternative to the wet chemical etching method, dry chemical etching processes for Phosphorus silicate glass [PSG} layer rel11ova] using Trifluormethane/Sulfur Hexafluoride (CHF3/ SF6) gas mixture in commercial silicon-nitride plasma enhanced ...
Ahmed S. Kagilik
doaj  

Digital Etching of Molybdenum Interconnects Using Plasma Oxidation

open access: yesAdvanced Materials Interfaces
Molybdenum (Mo) has a high potential of becoming the material of choice for sub‐10 nm scale metal structures in future integrated circuits (ICs). Manufacturing at this scale requires exceptional precision and consistency, so many metal processing ...
Ivan Erofeev   +13 more
doaj   +1 more source

Assessment of lithographic process variation effects in InGaAsP annular Bragg resonator lasers [PDF]

open access: yes, 2004
Optical microresonators based on an annular geometry of radial Bragg reflectors have been designed and fabricated by electron-beam lithography, reactive ion etching, and an epitaxial transfer process. Unlike conventional ring resonators that are based on
DeRose, Guy A.   +4 more
core   +1 more source

Shaping Ti3C2 MXene Nanospheres for Precision Near‐Infrared Photothermal Therapy

open access: yesAdvanced Functional Materials, EarlyView.
In this study, we report producing spherical MXenes via fs laser fragmentation of Ti3C2 flakes in liquid medium. The nanoparticles demonstrated pronounced light absorption and high photothermal conversion efficiencies of 68% and 63% under heating with NIR‐I and NIR‐II lasers, respectively.
Julia S. Babkova   +21 more
wiley   +1 more source

EFFECT OF OXYGEN ON SI ETCH PROFILE USING DC SF6 PLASMA MICROMACHINING

open access: yesDiyala Journal of Engineering Sciences, 2010
Plasma etching with tapered profile structure (high aspect ratio structures) in silicon is an important step in manufacturing capacitors for memory devices and integrated components of microelectromechanical systems. In these applications, the goal is to
Shrok Abdullah
doaj  

Home - About - Disclaimer - Privacy