The secrets of wide-band-gap semiconductor alloys: AlGaN and Zn(Cd,Mg)O will be discovered during next Advanced Methods of Semiconductor Research Seminar on Tuesday, 18th of April at 13:15 in room 321, building A-1 with D.Sc Eunika Zielony in her lecture "Investigation of structural and electro-optical properties of planar and nanowireheterostructures based on wide-band-gap semiconductors for application in optoelectronics"