Browsing Natural and Agricultural Sciences by Supervisor "Hayes, Marianna"

Browsing Natural and Agricultural Sciences by Supervisor "Hayes, Marianna"

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  • The characterization of bulk as-grown and annealed ZnO by the Hall effect 
    Kassier, Gunter Horst (University of Pretoria, 2007-08-13)
    A fully automated Temperature Dependent Hall (TDH) measurement setup has been assembled for the purposes of this study. This TDH setup is capable of measuring samples in the 20 K to 370 K temperature range. Sample sizes ...
  • The influence of sputtering on ion implantation profiles 
    Thugwane, Samuel Jaye (University of Pretoria, 2006-04-07)
    The accurate knowledge of the implantation profiles is of considerable interest for testing theoretical models on the stopping of ions in matter, as well as for many important applications in metallurgy and semiconductor ...