comprising an intermediate layer between the core and a stack of coating layers having alternating refractive indices

Full Title

Compositional and structural details of pigments exhibiting interference colours > Interference pigments characterized by the core material > the core comprising at least one inorganic oxide, e.g. Al2O3, TiO2 or SiO2 > comprising an intermediate layer between the core and a stack of coating layers having alternating refractive indices