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Physics

Semiconductor Materials and Nanostructures

Recent publications

  • J.K. Dangbégnon, K. Talla, J.R. Botha

    ”Effect of the annealing environment on the optical properties of ZnO/GaAs grown by MOCVD“

    Journal of Luminescence, 131 (12), 2457-2462 (2011)

     
  • Eassa, N., Murape, D.M., Neethling, J.H., Betz, R., Coetsee, E., Swart, H.C., Venter, A., Botha, J.R.

    “Chalcogen based treatment of InAs with [(NH4) 2S/(NH4)2SO4]”


    Surface Science, 605 (11-12), 994-999 (2011)

 

  • Dejene, F.B., Ali, A.G., Swart, H.C., Botha, R.J., Roro, K., Coetsee, L., Biggs, M.M.

    “Optical properties of ZnO nanoparticles synthesized by varying the sodium hydroxide to zinc acetate molar
    ratios using a Sol-Gel process”

    Central European Journal of Physics, pp. 1-6. Article in Press (2011)

 

  • J. K. Dangbégnon, K. Talla, L. Vines, J. R. Botha

    „Effect of the crystallinity of MOCVD grown ZnO:N on the diffusion of impurities“


    J Crystal Growth , 324 (1), 243-247 (2011)

 

  • A. Venter and J.R. Botha

    “Optical and electrical properties of NiO for possible dielectric applications”


    SA J Science, 107 (1/2), article no. 268 - 6 pages (2011)

 

  • Nyamhere, C., Botha, J.R., Venter, A.

    “Electrical characterization of deep levels in n-type GaAs after hydrogen plasma treatment”

    Physica B: Condensed Matter, 406 (11), 2273-2276 (2011)

 

  • K. Talla, J. K. Dangbégnon, M. C. Wagener, J. Weber, J. R. Botha

    „Effect of growth parameters on MgxZn1-xO films grown by metal organic chemical vapor deposition“

    J Crystal Growth, 315 (1), 297-300 (2011)

 

  • V Odendaal, J R Botha, FD Auret

    “Surface passivation applicable to InAsSb/GaSb photodiodes for infrared detection”


    South African Institute of Electrical Engineers Africa Research Journal 101(1), 31 (2010)

 

  • K. Talla, J. K. Dangbégnon, M. C. Wagener, J. R. Botha

    „ZnO grown by metal organic chemical vapor deposition : Effect of substrate on optical and structural properties“


    South African Institute of Electrical Engineers Africa Research Journal 101(1), 37 (2010)
  • J.K. Dangbégnon, K. Talla, J.R. Botha

    Thermal activation of nitrogen acceptors in ZnO thin films grown by MOCVD“

    phys stat sol c, 7 (6), 1545-1549 (2010)