نتایج جستجو برای: pulse electrodeposition

تعداد نتایج: 94286  

Journal: :Inorganics (Basel) 2022

In the present study, a nanocrystalline Ni-Fe matrix with reinforced TiO2 nanoparticles as functional nanocomposite material was fabricated by pulsed current electroforming in UV-LIGA (lithography, electroplating, and molding). The influences of on deposition were also investigated using scanning electron microscopy, transmission vitro cytotoxicity assay. It found that 5 wt.% showed smooth surf...

2012
Maxwell C. Kum Hyunsung Jung Nicha Chartuprayoon Wilfred Chen Ashok Mulchandani Nosang V. Myung

Cadmium telluride nanoribbons were synthesized electrochemically and formed into nanodevices using lithographically patterned nanowire electrodeposition (LPNE) that integrated synthesis and device fabrication together. By controlling the composition of the CdTe nanoribbons via adjusting the electrodeposition potential, electrical properties (i.e., electrical resistivity and field-effect transis...

Journal: :international journal of advanced design and manufacturing technology 0
meysam heydari mahmoud heydarzadeh

zn-co electrodeposits have attracted interest because of their significantly higher corrosion resistance in comparison with pure zinc. in this research the influence of bath temperature and electrolyte’s co 2+ concentration on the morphology and composition of the zn-co coatings, electrodeposited on an aisi1018 steel substrate from a weakly alkaline glycine solutions, has been studied. sem and ...

Journal: :Journal of the American Chemical Society 2004
Zhi-Li Xiao Catherine Y Han Wai-Kwong Kwok Hsien-Hau Wang Ulrich Welp Jian Wang George W Crabtree

When the dimension of materials decreases to mesoscale, their properties can change dramatically, depending on the boundary conditions imposed by the sample architecture including geometry, morphology, and hierarchical structures. Here we show that electrodeposition, a method for reducing materials from a solution onto a substrate, can provide a versatile pathway to tailor the architecture of m...

2012
Ravish Garg Samiksha Mehta Amandeep Kaur

This paper describes the synthesis of low dimensional structures of copper by electrodeposition method using polycarbonate track etch membrane (PCTEM) as template. Copper microwires of different diameters were fabricated by using the membranes of pore diameters 0.2 & 0.4 um as template. The morphology of fabricated microwires was characterized by scanning electron microscope and material confir...

2008
V. Lim I. Ahmad N. Amin C. S. Foong T. L. Wong R. Rasid

Nickel plated copper heat spreader acts as a medium to dissipate heat from silicon die towards heat-sink. Electroless nickel plating requires catalytic activation before the nickel can be deposited onto copper. Different catalytic activation techniques such as galvanic initiation and thin nickel-copper electrodeposition have diverse impact on the thermal performance of the heat spreader. Surfac...

Journal: :Clinical chemistry 1973
G M Schmid G W Bolger

Gold is determined in aqueous gold-containing drug solutions, 8 X 108 to 1 X 10 mol/liter, and in such drugs in serum, 2 X 106 to 1 X 10 mol/ liter, by electrodeposition onto a carbon paste electrode at -0.3 V vs. a saturated calomel electrode and subsequent stripping at constant current. Aqueous solutions are prepared for electrodeposition with a ceric perchlorate-hydrogen peroxide treatment. ...

2015
Ruomeng Huang Gabriela P. Kissling Andrew Jolleys Philip N. Bartlett Andrew L. Hector William Levason Gillian Reid C. H. ‘Kees’ De Groot

We report the properties of a series of electrodeposited Ge-Sb-Te alloys with various compositions. It is shown that the Sb/Ge ratio can be varied in a controlled way by changing the electrodeposition potential. This method opens up the prospect of depositing Ge-Sb-Te super-lattice structures by electrodeposition. Material and electrical characteristics of various compositions have been investi...

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