An experimental setup for obtaining metallic multilayer coatings with layers of nanometer thickness

Strukov, G. V.; Струкова, Г. К.; Shoo, E. D.; Bozhko, S. I.; Kabanov, Yuri

doi:10.1134/s0020441209050169

Cited by 7 publications

(10 citation statements)

References 6 publications

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“…It is necessary to point out that the electroplating of Ag, PdNi, and PbIn alloys was done with a particular electrolyte, whereas, in the cases of PdNi/PbIn and PdNi/Pb electroplating, two baths with corresponding electrolytes were used alternately [15] . Table 1 represents the main parameters of the pulsed current electroplating procedure used for growing the particular structures.…”

Section: Methodsmentioning

confidence: 99%

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Mesoscopic Models of Plants Composed of Metallic Nanowires

et al. 2013

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Various metallic structures of complex shape resembling living plant organisms (biomimetics) are produced as a result of self-assembly of nanowires growing on porous membranes in the course of pulse current electrodeposition. These structures occur if the electroplating is continued after the nanowires appear on the membrane surface. By varying the membrane geometry, pulse current electroplating parameters, and alternating electrodeposition from two baths composed of a variety of electrolytes, diverse models were fabricated, including a hollow container with a wall thickness of 10 nm -20 nm. This biomimetic method suggests an analogy between the shape-forming processes of plants and their metallic models. Nanostructured mesostructures of various metals (Ag, Pd, Ni), alloys (PdNi, PbIn) and hybrid structures (PdNi/Pb, PdNi/PbIn) were obtained. They can be of interest for fundamental research (self-assembly, morphogenesis) as well as for applications in nanotechnology (catalysis, nanoplasmonics, medicine, superhydrophobic surfaces).

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Section: Methodsmentioning

confidence: 99%

“…A special technique of alternating electroplating of PbIn and PdNi alloys from two baths [15] allowed us to obtain a volume hybrid structure "fern". Fig.…”

Section: Hybrid Structures Pdni/pbin and Pdni/pbmentioning

confidence: 99%

Mesoscopic Models of Plants Composed of Metallic Nanowires

et al. 2013

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“…A good example of that is growing nanosized threads in porous matrix, 2 or creating multilayer structures with many interchanging layers. 3 Many technological problems connected with the technique of superconducting materials vacuum sputtering could have been avoided if the method of electrodeposition from solution was used instead. However, electrodeposition of Nb layers from solutions under regular conditions is still an unaccomplished task, and frequently used lead layers with nanometer thickness oxidize easily, losing their superconducting properties.…”

Section: Introductionmentioning

confidence: 99%

Superconductivity of Nanostructured Pb<SUB>7</SUB>Bi<SUB>3</SUB> Films Doped by Ce

Stolyarov¹,

Zverev²,

Postnova³

et al. 2012

j. nanosci. nanotech.

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By means of electrochemical deposition from electrolytes, containing salts of Pb and Bi (0.03 mol/l and 0.02 mol/l respectively) thin films of intermetallic Pb7Bi3 have been fabricated. The superconducting transition temperature of the films was measured to be around 7.8 K. The deposition of the films with thickness of 50-100 nm was performed via passing rectangular current pulses with given amplitude and length. It was shown that adding salt of Ce into the electrolyte leads to a significant growth of the Tc for the deposited films reaching its maximum at the salt concentration of 0.06 mol/I. X-ray analysis data revealed the single phase of Pb7Bi3 films with hexagonal structure (SG) having a textures parallel to (101) plane. The morphology of the film surface is characterized by nanocluster structure with typical grain size around 70-80 nm. For the films, fabricated with adding salt of Ce, together with the intermetallic phase of Pb7Bi3, the second phase containing Bi is detected. At the same time, the typical grain size is reduced to 20-30 nm. Additionally, the suppression of the superconductivity in the grown films is investigated. The influence of the composition and structure on the superconducting critical temperature is discussed for both types of the fabricated films.

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“…When a sample is inside the electrodeposition cell, a generator passes rectangular current pulses through the electrolyte solution, thereby depositing a metal layer on the sample. The amplitude (50-300 mA) and duration (15-300 ms) of the current pulses are set by a program [2]. The current density was varied from 6.3 to 37 mA/cm 2 .…”

Section: Electrodeposition Methodsmentioning

confidence: 99%

Structure and Magnetic Properties of Nanostructured Pd–Fe Thin Films Produced by Pulse Electrodeposition

Струкова¹,

Strukov²,

Bozhko³

et al. 2011

J. Nanosci. Nanotech.

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Nanostructured Pd-Fe thin films with varied Fe content were prepared by electrodeposition technique from organic electrolytes on Cu and brass substrates. The structure and the magnetic properties of the films were investigated prior to post-deposition annealing. The structure of the Pd 1-x Fe x thin film with x = 0.14, 0.24, and 0.52 was determined by X-ray diffraction (XRD) and transmission electron microscopy (TEM) as a solid solution of iron in palladium face-centered cubic lattice with the (111) orientation of nanograins relatively to the substrate surface. The films with higher iron concentration, x = 0.74, 0.91, have structure of a solid solution based on the bodycentered cubic lattice. The average grain size determined by the scanning electron microscopy (SEM) for the first two alloys is 7-10 nm, and for the latter ones it is about 120 nm. The saturation magnetization of the films has linear dependence on the iron content, but coercivity has nonmonotonic dependence on x, i.e. the films with x = 0.68 show highest coercivity. The magnetic anisotropy of the samples is studied by ferromagnetic resonance (FMR) spectroscopy.

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An experimental setup for obtaining metallic multilayer coatings with layers of nanometer thickness

Cited by 7 publications

References 6 publications

Mesoscopic Models of Plants Composed of Metallic Nanowires

Mesoscopic Models of Plants Composed of Metallic Nanowires

Superconductivity of Nanostructured Pb<SUB>7</SUB>Bi<SUB>3</SUB> Films Doped by Ce

Structure and Magnetic Properties of Nanostructured Pd–Fe Thin Films Produced by Pulse Electrodeposition

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