Method of production of quasafistallin coatings based on perowskitic oxides

摘要

The invention concerns a process for the production of quasicystallin coatings from ABO3 on a substrate, where A is a two or three-value element of rare earth or alkali metals and B is a transition metal with a variable oxidation state. The procedure shall include the steps:(a) separation of a precious metal layer on the substrate;(b) the production of a surface-covering layer of 1 to 2 monologue equivalent ABO3 directly on the precious metal layer; and(c) subsequent heating of the coated substrate in the vacuum to a temperature in the range of 800 K to 1300 K.The invention also concerns substrates which have such a quasi-stable coating.