Energy Efficiency of Thin Film-Functional Materials in Sulfuric Acid Solutions

A criterion of the energy efficiency of iron-boron-silicon metallic glasses in sulfuric acid solutions was proposed for the first time. The criterion was derived based on calculating the limit of the ratio value of the conductivity of a metallic glass in aqueous solution to the conductivity of the metallic glass in air. In other words, the criterion; lim (the conductivity of the metallic glass in aqueous solution to the conductivity of the metallic glass in air) =1 was applied to determine the energy efficiency of the metallic glass in the aqueous solution when the conductivity of a metallic glass in aqueous solution became equal (decreased) to the conductivity of the metallic glass in air as a function of time of the exposure of the metallic glass to the aqueous solution.