Abstract
An automated PC-controlled electrochemical setup for deposition of a specified number of different metal nanodimensional layers onto conducting substrates is described. Metallic layers are deposited in galvanic cells from solutions of corresponding electrolytes on a sample that serves as a cathode, while the anode is a plate of an inert material or a material dissolved during electrolysis. The electroplating is conducted by passing rectangular current pulses through the electrolyte solution between the sample and the anode. The amplitude (1 mA–1 A) and duration (1 ms–1 s) of the current pulses are set by a program. Samples are treated in the galvanic cells and rinsing baths according to a programmed route. In combination with efficient electrolytes for electrodeposition, the setup enables one to obtain multilayer structures of specified configuration with alternation of nanometer layers of different metals: normal metals, ferromagnets, paramagnetics, antiferromagnets, or superconductors. The characteristics of a normal metal (copper)-ferromagnet (palladium-nickel alloy) multilayer coating are presented.
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