METHOD FOR OBTAINING COMPOSITE COATINGS BASED ON BISMUTH FERRITES ON THE SURFACE OF STEEL Russian patent published in 2022 - IPC C25D9/10 

FIELD: technical electrochemistry.

SUBSTANCE: invention relates to the field of technical electrochemistry, in particular to the deposition of coatings based on mixed bismuth ferrites on steel surfaces, and can be used in microelectronics, spintronics, sensors, devices for recording, reading and storing information. The method includes deposition of a coating on a steel surface from an electrolyte containing bismuth (III) nitrate, iron (III) nitrate, tartaric acid, polyethylene glycol PEG-200, glycine, sodium hypophosphite and sodium dodecyl sulfate, at pH up to 11.0, the ratio of cathode and anodic current (j_k:j_a) 2:1, electrolyte temperature 60°С and electrolysis time 60 min, and heat treatment of the coating at 700°С for 40 min.

EFFECT: suppression of gelation processes, increase in the service life of the electrolyte and reduce energy consumption.

1 cl, 3 ex