Igumbor, Emmanuel; Ouma, C.N.M.; Webb, Geoffrey; Meyer, Walter Ernst(Elsevier, 2016-01)
In this work, we present ab-initio calculation results of Ge di-interstitials (I2(Ge)) in the framework of the density functional theory (DFT) using the Heyd, Scuseria, and Ernzerhof (HSE) hybrid functional. The formation ...
Prinsloo, Linda Charlotta; Boeyens, Jan Christoffel Antonie; Van der Ryst, Maria M.; Webb, Geoffrey(Elsevier, 2012)
Two glass trade beads, one red and one yellow, retrieved from a secure archaeological context on Magoro
Hill, an erstwhile Venda stronghold in South Africa’s Limpopo Province, were analyzed with Raman and
photoluminescence ...
