Optimized GaAsSb/GaAsN type-II superlattices studied by cross-sectional scanning tunneling microscopy - Trevisan, Aurelia; Verstijnen, Tom J F; Alvarado-Cesar, Francisco; Carro, Alejandro Gallego; Ulloa, Jose M; Beanland, Richard; Koenraad, Paul M (JOURNAL OF APPLIED PHYSICS, 2026)