Kumarappan, Kumar (2015) Photoemission studies of ex-situ and in-situ surface cleaning and electronic properties of ZnO surfaces. PhD thesis, Dublin City University.

Biswas, Mahua, Jung, Y.S., Kim, H.K., Kumarappan, Kumar, Hughes, Greg ORCID: 0000-0003-1310-8961, Newcomb, Simon B., Henry, Martin O. and McGlynn, Enda ORCID: 0000-0002-3412-9035 (2011) Microscopic origins of the surface exciton photoluminescence peak in ZnO nanostructures. Physical Review B (PRB), 83 (23). p. 235320. ISSN 1098-0121