Patent ID: 7998773

Claim:
A method of growing non-polar A 3 N epitaxial heterostructures for light-emitting diodes producing white light emission and lasers, on the basis of compounds and alloys in an AlGaInN system, the method comprising: vapor-phase depositing at least one A 3 N heterostructure layer comprising the formula Al x Ga 1-x N (0<x≦1) on an (a)-langasite (La 3 Ga 5 SiO 14 ) substrate; and growing a phosphor-doped (a)-langasite layer on the surface of the at least one A 3 N heterostructure, wherein vapor-phase depositing the at least one A 3 N heterostructure using an (a)-langasite (La 3 Ga 5 SiO 14 ) substrate reduces defect density and mechanical stresses in the A 3 N heterostructures.