Chemical beam epitaxy of GaP1-xNx alloys and GaP1-xNx/GaP1-yAsy short-period superlattices on nominally (001)-oriented GaP-on-Si substrates - K Ben Saddik; R Volkov; J Lähnemann; J Grandal; N I Borgardt; B J García; S Fernández Garrido (2021)