University of Khartoum

Browsing by Author "R.E. Kroon"

Browsing by Author "R.E. Kroon"

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  • Seed Ahmed, Hassan Abdelhalim Abdellhah; Odireleng Martin Ntwaeaborwa; M.A. Gusowski; J.R. Botha; R.E. Kroon (University of Khartoum, )
    Amorphous silica samples doped with 0.1 and 1 mol% of terbium (Tb) were synthesized by the sol–gel method. In addition to the green light associated with 5D4-7FJ transitions of Tb3þ, the sample containing 0.1 mol% also ...

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