%0 Journal Article %T Crystallochemical aspects of structure controlled processes in oxide glasses %A Leszek Stoch %J Optica Applicata %D 2008 %I %X Nano size crystals formation in SiO2¨CAl2O3¨CMgO¨CTiO2(ZrO2) glasses as a structure controlled process is described. The applicability of the structure ¨C chemical parameters for prediction and modelling of the middle range ordering in glass as a nanocrystals precursor are presented. %K oxide glasses %K middle range structure ordering %K nano-crystallization %K glass-ceramics %U http://www.if.pwr.wroc.pl/~optappl/pdf/2008/no1/optappl_3801p225.pdf