نتایج جستجو برای: pulsed electrodeposition

تعداد نتایج: 39579  

2003
S. R. Natarajan

he electrodeposition of zinc on iron and steel for protection T against corrosion was first proposed in 1840. The combination of aesthetic appeal and protection thus provided has established bright zinc plating as an important process in modern industry. In today's technology, zinc is preferably deposited from acid-type electrolytes, especially chloride, as an alternative to those based on cyan...

2010
Mehdi Ebadi Wan Jeffrey Basirun Yatimah Alias Mohammadreza Mahmoudian

Electrodeposition of Ni-Co-Fe-Zn alloys was done in a chloride ion solution with the presence and absence of a Permanent Parallel Magnetic Field (PPMF). The PPMF was applied parallel to the cathode surface. The deposition profile was monitored chronoamperometrically. It was found that the electrodeposition current was enhanced in the presence of PPMF (9 T) compared to without PPMF. The percenta...

Journal: :journal of ultrafine grained and nanostructured materials 2014
soheila kharratian khameneh mahmoud heydarzadeh sohi abolghasem ataie

the influences of anionic sodium dodecylsulfate (sds) and cationic hexadecyltrimethylammonium bromide (htab) surfactants on the incorporation and distribution of barium hexaferrite nanoparticles in the electrodeposited cofe-bafe12o19 composite thin films were studied. sulphate bathes with natural ph containing 0 to 2 g/l surfactants were used for electroplating at room temperature. field emissi...

Journal: :Communications and Network 2010
Meeru Chaudhri A. Vohra S. K. Chakarvarti

In this paper, the authors present and discuss a model for Cu-Se nano resonant tunneling diodes (RTDs) fabricated by negative template assisted electrodeposition technique and formulate the mathematical equations for it. The model successfully explains the experimental findings.

Journal: :Chemical communications 2009
Dachi Yang Guowen Meng Chuhong Zhu Xiaoguang Zhu

Generic approaches to nano-dots and nano-rings have been developed via sputtering an Au layer on one planar surface side of porous anodic aluminum oxide template and subsequent electrodeposition.

The suitability of three vapor deposition techniques for pore size modification was evaluated using polycarbonate track etched membranes as model supports. A feature scale model was employed to predict the pore geometry after modification and the resulting pure water flux. Physical vapor deposition (PVD) and pulsed plasma-enhanced chemical vapor deposition (PECVD), naturally, form asymmetric na...

Journal: :Chemical communications 2010
Jennifer M Pringle Vanessa Armel Douglas R MacFarlane

Electrodeposition of poly(3,4-ethylenedioxythiophene) onto conducting plastic allows the cheap and facile synthesis of plastic cathodes for dye-sensitised solar cells, having excellent solar cell efficiency (8%), at a fraction of the cost of platinised plastic.

Journal: :Chemical communications 2011
Simon Dalgleish Kunio Awaga Neil Robertson

Thin films of neutral copper dithiolenes have been prepared by potentiostatic electrodeposition. This method allows the isolation of near infrared (NIR) active species, in a useable form, that are otherwise unobtainable by conventional chemical methods.

2014
Mohamed M. Elawayeb

Nanostructured materials have been successfully produced by electrodeposition into Anodic Aluminum Oxide (AAO) templates. Electron microscopy techniques have been used for nanoscale characterization. The structure, dimensions and chemistry of individual nanostructured materials were analyzed using SEM and TEM microscopy

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