Benoît Marie Joseph Deveaud, Jean-Daniel Ganière, Jelena Ristic, Pierre Michel Corfdir
A detailed study of excitons in unstrained GaN nanocolumns grown by plasma assisted molecular beam epitaxy on silicon substrates is presented. The time-integrated and time-resolved photoluminescence spectra do not depend significantly on the (111) or (001) ...
American Institute of Physics2009
