Abstract
A homemade electrodeposition device is presented, capable of depositing thin films of variable stoichiometry on cylindrical substrates offering control of electrolysis current, temperature and stirring velocity. The device design eliminates gravitational settling and uses a novel technique for fluid agitation in order to optimize deposition uniformity. The device surpasses traditional burato-style design in terms of gravitational settling of the solution and stirring homogeneity, as well as in terms of coating quality, i.e. cracking and blackened areas.
Highlights
The cell presented here was designed for the deposition of 50mm long NiFe thin films of variable stoichiometry and thickness on cylindrical austenitic steel substrates of 10mm diameter, using a novel approach of fluid agitation depending on the self circulation of the solution, which leads to more uniform depositions
The cell is designed in such a way as to eliminate gravitational settling
The requirements of the design were determined by our application: (i) stirring of the ion solution at a constant rate (ii) controlled heating for increased solubility (iii) controlled steady speed rotation of the cylindrical specimen, (iv) electrolysis current control
Summary
The cell presented here was designed for the deposition of 50mm long NiFe thin films of variable stoichiometry and thickness on cylindrical austenitic steel substrates of 10mm diameter, using a novel approach of fluid agitation depending on the self circulation of the solution, which leads to more uniform depositions. The cell is designed in such a way as to eliminate gravitational settling
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