%0 Journal Article %T Optical study of InGaN/GaN MQWs on (11-22) sapphire %A Ilyasova, Z.. %K semiconductor, heterostructure, orientation, sapphire, emission energy %J Actual directions of scientific researches of the XXI century: theory and practice %D 2015 %N 3 %P 3 %I FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov