Comparison of the luminous efficiency of Ga- and N-polar In${}_x$Ga${}_{1-x}$N/In${}_y$Ga${}_{1-y}$N quantum wells grown by plasma-assisted molecular beam epitaxy

Sergio Fernández-Garrido, Jonas Lähnemann, Christian Hauswald +5

We investigate the luminescence of Ga- and N-polar In${}_x$Ga${}_{1-x}$N/In${}_y$Ga${}_{1-y}$N quantum wells (QWs) grown by plasma-assisted molecular beam epitaxy on freestanding GaN a…