Browsing by UP Author "Webb, Geoffrey"

Now showing items 1-2 of 2

Ab-initio study of germanium di-interstitial using a hybrid functional (HSE)

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 ...
Raman signatures of the modern pigment (Zn, Cd)S 1- xSe x and glass matrix of a red bead from Magoro Hill, an archaeological site in Limpopo Province, South Africa, recalibrate the settlement chronology

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 ...

Search UPSpace