Effect of the barrier thickness on the optical properties of InGaN/GaN/Al2O3 (0001) LED heterostructures / I. S. Romanov, I. A. Prudaev, V. N. Brudnyi [et.al.] // Russian physics journal. 2015. Vol. 58, № 7. P. 996-1000. URL: http://vital.lib.tsu.ru/vital/access/manager/Repository/vtls:000577753