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Johannes Reinhardt Botha
Johannes Reinhardt Botha
professor of physics, nelson mandela university
Verified email at mandela.ac.za
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Cited by
Cited by
Year
Photoluminescence and phosphorescence properties of MAl2O4: Eu2+, Dy3+ (M= Ca, Ba, Sr) phosphors prepared at an initiating combustion temperature of 500° C
BM Mothudi, OM Ntwaeaborwa, JR Botha, HC Swart
Physica B: Condensed Matter 404 (22), 4440-4444, 2009
1082009
Influence of metal organic chemical vapor deposition growth parameters on the luminescent properties of ZnO thin films deposited on glass substrates
KT Roro, JK Dangbegnon, S Sivaraya, AWR Leitch, JR Botha
Journal of Applied Physics 103 (5), 2008
952008
Optical and electrical properties of NiO for possible dielectric applications
A Venter, JR Botha
South African Journal of Science 107 (1), 1-6, 2011
862011
Enhanced luminescence and degradation of SiO2: Ce, Tb powder phosphors prepared by a sol–gel process
OM Ntwaeaborwa, HC Swart, RE Kroon, PH Holloway, JR Botha
Journal of Physics and Chemistry of Solids 67 (8), 1749-1753, 2006
662006
Photoluminescence study of potential fluctuations in thin layers of Cu (In0. 75Ga0. 25)(SySe1− y) 2
SA Schumacher, JR Botha, V Alberts
Journal of Applied Physics 99 (6), 2006
562006
Type II GaSb/GaAs quantum dot/ring stacks with extended photoresponse for efficient solar cells
PJ Carrington, AS Mahajumi, MC Wagener, JR Botha, Q Zhuang, A Krier
Physica B: Condensed Matter 407 (10), 1493-1496, 2012
522012
Thermally activated carrier escape mechanisms from As/GaAs quantum wells
JR Botha, AWR Leitch
Physical Review B 50 (24), 18147, 1994
491994
Temperature-dependent Hall effect studies of ZnO thin films grown by metalorganic chemical vapour deposition
KT Roro, GH Kassier, JK Dangbegnon, S Sivaraya, JE Westraadt, ...
Semiconductor science and technology 23 (5), 055021, 2008
482008
Synthesis and characterization of BaAl2O4: Eu2+ co-doped with different rare earth ions
MA Lephoto, OM Ntwaeaborwa, SS Pitale, HC Swart, JR Botha, ...
Physica B: Condensed Matter 407 (10), 1603-1606, 2012
472012
The effect of Ce3+ on structure, morphology and optical properties of flower-like ZnO synthesized using the chemical bath method
LF Koao, FB Dejene, HC Swart, JR Botha
Journal of luminescence 143, 463-468, 2013
442013
Enhanced infrared photo-response from GaSb/GaAs quantum ring solar cells
PJ Carrington, MC Wagener, JR Botha, AM Sánchez, A Krier
Applied Physics Letters 101 (23), 2012
402012
Properties of CuIn (Se, S) 2 thin films prepared by two-step growth processes
J Bekker, V Alberts, AWR Leitch, JR Botha
Thin Solid Films 431, 116-121, 2003
402003
Comparative PL study of individual ZnO nanorods, grown by APMOCVD and CBD techniques
V Khranovskyy, R Yakimova, F Karlsson, AS Syed, PO Holtz, ZN Urgessa, ...
Physica B: Condensed Matter 407 (10), 1538-1542, 2012
332012
Low temperature near band edge recombination dynamics in ZnO nanorods
ZN Urgessa, JR Botha, MO Eriksson, CM Mbulanga, SR Dobson, ...
Journal of Applied Physics 116 (12), 2014
302014
Synthesis of well-aligned ZnO nanorods on silicon substrate at lower temperature
ZN Urgessa, OS Oluwafemi, EJ Olivier, JH Neethling, JR Botha
Journal of alloys and compounds 580, 120-124, 2013
302013
Treatment for GaSb surfaces using a sulphur blended (NH4) 2S/(NH4) 2SO4 solution
DM Murape, N Eassa, JH Neethling, R Betz, E Coetsee, HC Swart, ...
Applied surface science 258 (18), 6753-6758, 2012
282012
Hydrothermal synthesis of ZnO thin films and its electrical characterization
ZN Urgessa, OS Oluwafemi, JR Botha
Materials letters 79, 266-269, 2012
262012
Photoluminescence of cerium–europium co‐doped SiO2 phosphor prepared by a sol–gel process
OM Ntwaeaborwa, HC Swart, RE Kroon, PH Holloway, JR Botha
Surface and Interface Analysis: An International Journal devoted to the …, 2006
262006
Temperature dependence of the photoluminescence properties and band gap energy of InxGa1−xAs/GaAs quantum wells
JR Botha, AWR Leitch
Journal of electronic materials 29, 1362-1371, 2000
262000
Numerical modelling of anodization reaction kinetics for TiO2 nanotubular-film growth in NH4F-based electrolytes
NJ Suliali, CM Mbulanga, WE Goosen, R Betz, JR Botha
Electrochimica Acta 337, 135791, 2020
252020
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