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Kobyakov, V. P.

doi:10.1023/a:1020034006969

Cited by 4 publications

(3 citation statements)

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“…Experimental and calculated data for the discharge of niobium complexes to metal are presented in the Table I. The diffusion coefficient (Table II) for the irreversible electroreduction process was determined using the Delahay equation [6].…”

Section: Resultsmentioning

confidence: 99%

“…I p = 0.496αn α FCAD 1/2 (αn α Fν/RT) 1/2 [6] where I p is the peak current (A), αn α is the product of the transfer coefficient and the number of electrons, A is the electrode area (cm 2 ), C is the concentration (mol cm -3 ), D is the diffusion coefficient (cm 2 s -1 ), ν is the potential scan rate (V s -1 ), R is the universal gas constant (J (mol K) -1 ), F is the Faraday constant (C mol -1 ).…”

Section: Resultsmentioning

confidence: 99%

“…Niobium coatings can be deposited in a variety of ways: physical vapor deposition (PVD), magnetron sputtering (2)(3)(4), ion beam assisted deposition (IBAD) (5) and chemical vapor deposition (CVD) (6)(7)(8). The most convenient method for deposition coatings on spherical samples is electrolysis.…”

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

(Digital Presentation) Electrodeposition of Electrolytic Niobium Coatings on the Cryogyroscope Rotor

Okunev¹,

Dubrovskii²,

Макарова³

et al. 2022

ECS Trans.

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The discharge process of Nb(IV) complexes to Nb was studied by cyclic voltammetry. A galvanostatic electrolysis with the cathodic current density of 1.5·10-2 A cm-2 in the NaCl-KCl-NaF-K2NbF7 melt in contact with Nb was used for deposition of niobium coatings at temperature 1023 K, and time of process from 8 to 12 hours. The coatings were continuous and smooth due to the special design of the cathode. The rotation speed of the stirrer in all experiments did not change and was chosen equal to 35 rpm. Such conditions made it possible to obtain coatings with the thickness up to 150 μm. The main characteristics of the niobium coatings such as purity, roughness, nonsphericity and superconductivity were investigated.

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Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%