Growth temperature induced changes of luminescence in epitaxial BN: from colour centres to donor–acceptor recombination
K.P. Korona, Johannes Binder, Aleksandra K. Dąbrowska, Jakub Iwański, A. Reszka, Tatiana Korona, Mateusz Tokarczyk, R. Stępniewski, A. Wysmołek
Abstract
A UV luminescence study of BN shows strong emission from theoretically predicted 1,2-C N C B and 1,4-C N C B color centers (4.1 eV and 3.24 eV). Samples grown at different temperatures reveal a change from localized to delocalized recombination.
Topics & Concepts
RecombinationLuminescenceEpitaxyAcceptorMaterials scienceOptoelectronicsPhotochemistryChemical physicsChemistryNanotechnologyCondensed matter physicsPhysicsBiochemistryGeneLayer (electronics)Luminescence and Fluorescent MaterialsConducting polymers and applicationsBoron and Carbon Nanomaterials Research