Publication List 2007

 
  1. Auret, F.D., Janse van Rensburg, P.J., Hayes, M., Nel, J.M., Coelho, S., Meyer, W.E., Decoster, S., Matias, V., Vantomme, A. & Smeets, D. 2007. Electrical characterization of defects in heavy-ion implanted n-type Ge. Nuclear Instrument sand Methods in Physics Research B, 257(1-2):169-171.
  2. Auret, F.D., Coelho, S.M.M., Meyer, W.E., Nyamhere, C., Hayes, M. & Nel, J.M. 2007. Electrical characterization of defects introduced during sputter deposition of Schottky contacts on n-type Ge. Journal of Electronic Materials
  3. Auret, F.D., Meyer, W.D., Janse van Rensburg, P.J., Hayes, M., Nel, J.M., Von Wenckstern, H., Schmidt, H., Biehne, G., Hochmuth, H., Lorenz, M. & Grundmann, M. 2007. Electronic properties of defects in pulsed-laser deposition grown ZnO with levels at 300 meV and 370 meV below the conduction band. Physica B, 401-402:378-381.
  4. Berger, W.A. & Miller, H.G. 2007. A modified version of the Waxman algorithm. Journal of Physics A: Mathematical and Theoretical, 40(21): 5675-5680.
  5. Boeyens, J.C.A. 2007. Angular Momemtum in Chemistry. Zeitschrift für Naturforschung, 62b:373-385.
  6. Brink, D.J., Van der Berg, N.G., Prinsloo, L.C. & Hodgkinson, I.J. 2007. Unusual coloration in scarabaeid beetles. Journal of physics D: Applied Physics, 40:2189-2196.
  7. Daffertshofer, A. & Plastino, A.R. 2007. Forgetting and gravitation: From Landauer’s principle to Tolman’s temperature. Physics Letters A, 362:243-245.
  8. Eagles, D.M., Quick, R.M. & Schauer, B.T. 2007. Polaron and bipolaron dispersion curves in one dimension for intermediate coupling. Physical Review B, 75(5):054305.
  9. Friedland, E. 2007. A study of amorphization energies in silicon for different implantation parameters. Nuclear Instruments and Methods in Physics Research B, 256:193-198.
  10. Friedland, E. 2007. Influence of electronic stopping on amorphization energies. Surface & Coatings Technology, 201:8220-8224.
  11. Gaigher, E., Rogan, J.M. & Braun, M.W.H. 2007. Exploring the development of conseptual understandign through structured problem solving in physics. International Journal of Science Education, 29(9):1089-1110, July.
  12. Govender, I. & Grayson, D.J. 2007. Pre-service and in-service teachers’ experiences of learning to program in an object-oriented language. Computers & Education
  13. Hall, Kevin, Meiklejohn, Ian, Arocena, Joselito, Prinsloo, Linda, Sumner, Paul & hall, Lyndl. 2007. Deterioration of San rock art: New findings, new challenges. South African Journal of Science, 103:361-362, September/October 2007.
  14. Hayes, M., Auret, F.D., Janse van Rensburg, P.J., Nel, J.M., Wesch, W & Wendler, E. Electrical characterization of H+ ion irradiated n-ZnO. Nuclear Instruments and Methods in Physics Research B, 257(1-2): 311-314.
  15. Hayes, M., Auret, F.D., Janse van Rensburg, P.J., Nel, J.M., Wesch, W. & Wendler, E. Electrical characterization of He+ irradiated n-ZnO. Physica Status Solidi (B) Basic Research, 244(5):1544-1548.
  16. Kassier, G.H., Hayes, M., Auret, F.D., Mamor, M & Bouziane, K. 2007. Electrical and structural characterization of as-grown and annealed hydrothermal bulk ZnO. Journal of Applied Physics, 102(1), art. No 014903.
  17. Kunert, H.W., Machatine, A.G.J., Hoffmann, A., Kaczmarczyk, G., Haboeck, U, Malherbe, J., Barnas, J., Wagner, M.R. & Brink, J.D. 2007. Phonons in sapphire Al2O3 substrate for ZnO and GaN. Materials Science and Engineering C, 27(5-8):1222-1226.
  18. Kunert, H.W., Hoffmann, A., Machatine, A.G.J., Malherbe, J.B., Barnas, J., Kaczmarczyk, G., Haboeck, U. & Seguin, R. 2007. Effects of time reversal symmetry on phonons in sapphire substrate for ZnO and GaN. Superlattices & Microstructures, 42(1-6):278-283.
  19. Miller, H.G., Khanna, F.C., Teshima, R., Plastino, A.R. & Plastino, A. 2006. Generalized thermostatistics and Bose-Einstein condensation. Physics Letters A, 359(5):357-358.
  20. Nyamhere, C., Auret, F.D.. Das, A.G.M. & Chawanda, A. A study of the dependence of electron-induced defects on the dopiing impurity density in n-type germanium by deep-level transient spectroscopy (DLTS). Physica B: condensed Matter, 401-402:299-502.
  21. Nyamhere, C. Chawanda, A., Das, A.G.M., Auret, F.D. & Hayes, M. Thermal stability of Co, Ni, Pt, or Ru Schottky contacts on n-Si and defects introduced thereon during contacts fabrication using electron beam deposition. Physica B: condensed Matter, 401-402:226-229.
  22. Plastino, A.R., Plastino, A. & Soffer, B.H. 2007. Ambiguities in the forms of the entropic functional and constraints in the maximum entropy formalism. Physics Letters A, 363(1-2):48-52.
  23. Prinsloo, Linda C. 2007. Rock hyraces: a cause of San rock art deterioration? Journal of Raman Spectroscopy, 38(5):496-503.
  24. Schönfeldt, J-H., Jimenez, N., Plastino, A.R., Plastino, A & Casas, M. 2007. Maximum entropy principle, and classical evolution equations with source terms. Physica A, 374(2):573-584.
  25. Stols, G., Olivier, A. & Grayson, D. 2007. Description and impact of a distance mathematics course for grade 10 to 12 teachers. Pythagoras, 65:32-38, June 2007.
  26. Sulyok, A., Menyhard, M. & Malherbe, J.B. 2007. Stability of ZnO{0001} against low energy ion bombardment. Surface Science, 601(8):1857-1861.
  27. Troncoso, P., Fierro, O., Curilef, S. & Plastino, A.R. 2007. A Family of evolution equations with nonlinear diffusion, Verhulst growth, and global regulation: Exact time-dependent solutions.Physica A - Statistical Mechanics and its applications, 375(2):457-466.
  28. Von Wenckstern, H., Biehne, G., Rahman, R.A., Hochmuth, H., Lorenz, M. & Grundmann, M. Electrical charaterisation of shallow level defects in ZnO grown by pulsed-laser deposition. Applied Physics Letters, 88.
  29. Zander, C., Plastino, A.R., Plastino, A. & Casas, M. Entanglement and the speed of evolution of multi-partite quantum systems. Journal of Physics A: Mathematical and General, 40:2861-2872.
 

Published conference procedings

  1. Auret, F.D., Hayes, M., Nel, J., Janse van Rensburg, P.J., Wesch, W & Wendler, E. Electrical characterization of proton irradiated n-typed ZnO. Materials Research Society Symposium Proceedings, 957:41-46. ISSN 978-1-55899-914-5. Materials Research Society Symposium Proceedings: Zinc Oxide and Related Materials. Symposium held Nov 27-30 2006, Boston Massachusetts, USA.
  2. Plastino, A.R. Rescuing MaxEnt. Rescuing MaxEnt. AIP (American Institute of Physics) Conference Proceedings, 913, pp.3-8. ISSN: 978-0-7354-0421-2. AIP (American Institute of Physics Conference Proceedings: Nonequilibrium statistical mechanics and nonlinear physics: XV Conference on Nonequilibrium Statistical Mechanics and Nonlinear Physics.
  3. Braun, M.W.H., Gaigher, E. & Rogan, J.M. Physics problem solving in disadvantaged South African Schools. Science and Technology Literacy in the 21st Century, p. 236-249. ISSN: 978-9963-8519-6-6.
 
 

International Conferences: Invited plenary talks

  1. Plastino, A.R. Information-Entropic Measures, Multi-Qubit Entanglement, and Quantum Evolution. International Conference on Complexity, Metastability and nonextensivity, Dipartimento di Fisica e Astronomia – Universita di Catania – Satellite conference of STATPHYS 23, 1-5 July 2007. Catania, Italy.
 

International Conferences: Talks

  1. Auret, F.D, Meyer, W.E., Von Wenckstern, H., Biehne, G., Hochmuth, H., Lorenz, M. & Grundmann, M. Electrical characterisation of shallow level defects in ZnO grown by pulsed-laser deposition. IVC17/ICSS13 and ICN+T 2007. 17th International Vacuum Congress (IVC-17), 13th International Conference on Surface Science (ICSS-13) and International Conference on Nano Science and Technology (ICN+T 2007). 6th Nordic Conference on Surface Science (NCSS-6), 22nd Nordic Semiconductor Meeting (NSM-22) and 4th Swedish Meetin on Vacuum and Materials Science (SVM-4). 2-6 July 2007, Stockholm, Sweden.
  2. Auret, F.D., Meyer, W.E., Janse van Rensburg, P.J., Von Wenckstern, H., Schmidt, H., Frenzel, H., Biehne, G., Hochmuth, H., Lorenz, M. & Grundmann, M. Electrical characterization of defects in ZnO grown by pulsed-laser deposition. ICDS-24. 24th International Conference on Defects in Semiconductors, 22-27 July 2007, Albuquerque, New Mexico, USA
  3. Kunert, HW. 5th International Conference on Silicon Epitaxy and Heterostructures, ICSI-5 20 – 25 May 2007, Marseille, France.
  4. H.W. Kunert, AGJ Machatine, J. Barnas, A. Hoffmann, G. Kaczmarczyk, U. Haboeck, S5-O51 J. Malherbe, M. R. Wagner, D.J. Brink, R. Seguin Department of Physics, University of Pretoria, Infrared Absorption and Multiphonon Processes in Si and Ge.
  5. Kunert, H.W. Conference, Paris, France, 14 – 20 July 2007. 
  6. Malherbe, J.B. Ion Beam Analysis of Materials in the PBMR Reactor. IBA 2007. 18th International conference on Ion Beam Analysis, Hyderabad, India, September 23rd – 28 th, 2007. 
  7. Malherbe, J.B., Odendaal, R.Q., Menyhard, M. & Sulyok, A. Quantitative Auger electron spectroscopy of the ternary compound semiconductors A1Ga1As and In Ga1AS after Ar+ sputtering. ECASIA07.12th European Conference on Applications of Surface and Interface Analysis, Brussels, Belgium from 9-14 September 2007.
  8. Odendaal, R.Q. Quantitative Quantification of the Auger electron spectra of binary alloys using data clustering methods. ECASIA07.12th European Conference on Applications of Surface and Interface Analysis, Brussels, Belgium from 9-14 September 2007.
  9. Plastino, A.R. Entropic Invariants of Liouville Dynamics and the Physics of Information. Congress on Special functions, Information Theory and Mathematical Physics. An interdisciplinary conference in honor of Prof Jesus S. Dehesa’s 60th birthday, Granada, Spain, 17-19 September 2007.
  10. Prinsloo, L.C. A preliminary study of pigment sand binders used in San rock art, South Africa. IV International Conference on the Application of Raman spectroscopy in Art and Archaeology, Modena, Italy, 5-8 September 2007.
  11. Von Wenckstern, H., Biehne, G., Rahman, R.A., Hochmuth, H., Lorenz, M. & Grundmann, M. Electrical charaterisation of shallow level defects in ZnO grown by pulsed-laser deposition. EVC-17/ICSS-13 and ICN+T2007 (and NCSS-6/NSM-=22/SVM-4), 2-6 July 2007, Stockholm, Sweden.
 
 

International Conferences: Posters

  1. Brink, F.D. The role of interface effects on the reflection of circularly polarised light from the structure of scarabus beetles. ECASIA07.12th European Conference on Applications of Surface and Interface Analysis, Brussels, Belgium from 9-14 September 2007.
  2. Diale, M. Effects of surface treatments on electrical characteristics of Au-GaN Schottky barrier diodes. IVC17/ICSS13 and ICN+T 2007. 17th International Vacuum Congress (IVC-17), 13th International Conference on Surface Science (ICSS-13) and International Conference on Nano Science and Technology (ICN+T 2007). 6th Nordic Conference on Surface Science (NCSS-6), 22nd Nordic Semiconductor Meeting (NSM-22) and 4th Swedish Meetin on Vacuum and Materials Science (SVM-4). 2-6 July 2007, Stockholm, Sweden.
  3. Friedland, Malherbe, J.B., Van der Berg, N.G., Hlatshwayo, T.T., Wendler, E. & Wesch, W. Diffusion of Silver in Silicon Carbide. The 14th International Conference on Radiation Effects in Insulators, Caen, France, 28 August – 1 September 2007.
  4. Hayes, M., Schrempel, F., Auret, F.D., Nel, J.M. & Coelho, S. RBS investigation of annealed thin gold layers on crystalline germanium. IVC17/ICSS13 and ICN+T 2007. 17th International Vacuum Congress (IVC-17), 13th International Conference on Surface Science (ICSS-13) and International Conference on Nano Science and Technology (ICN+T 2007). 6th Nordic Conference on Surface Science (NCSS-6), 22nd Nordic Semiconductor Meeting (NSM-22) and 4th Swedish Meetin on Vacuum and Materials Science (SVM-4). 2-6 July 2007, Stockholm, Sweden.
  5. Machatine, A.G.J. Phonons in Chystals Time Reversal Subjected. PHONONS 2007. 12th International Conference on Phonons in Condensed Matters, Paris France, July 15-20, 2007.
  6. Malherbe J.B. & Odendaal, Q. Ar+ sputter depth profile determination of low energy nitrogen ion range profiles in GaAs. IVC17/ICSS13 and ICN+T 2007. 17th International Vacuum Congress (IVC-17), 13th International Conference on Surface Science (ICSS-13) and International Conference on Nano Science and Technology (ICN+T 2007). 6th Nordic Conference on Surface Science (NCSS-6), 22nd Nordic Semiconductor Meeting (NSM-22) and 4th Swedish Meeting on Vacuum and Materials Science (SVM-4). 2-6 July 2007, Stockholm, Sweden.
  7. Odendaal, R.Q. IVC17/ICSS13 and ICN+T 2007. Benchmarking of mathematical noise removal techniques used in surface analysis. 17th International Vacuum Congress (IVC-17), 13th International Conference on Surface Science (ICSS-13) and International Conference on Nano Science and Technology (ICN+T 2007). 6th Nordic Conference on Surface Science (NCSS-6), 22nd Nordic Semiconductor Meeting (NSM-22) and 4th Swedish Meetin on Vacuum and Materials Science (SVM-4). 2-6 July 2007, Stockholm, Sweden.
  8. Odendaal, R.Q. Determination of Auger electron peak intensities after electron background subtraction for standardised spectra. ECASIA07.12th European Conference on Applications of Surface and Interface Analysis, Brussels, Belgium from 9-14 September 2007.
  9. Prinsloo, L.C. The unique “Garden Roller” beads excavated in the Limpopo valley, South Africa. IV International Conference on the Application of Raman spectroscopy in Art and Archaeology, Modena, Italy, 5-8 September 2007.
  10. Scheffler, T.B. Conference on Desalination and the Environment, Sani Resort, Halkidiki – Greece, 22-25 April 2007. (EDS: European Desalinatio Society).
  11. Zander C., Plastino, a.R. & Curilef, S. Quantum States of Two Particles in a Double Well: Illustrating the concept of entanglement and its implications for Quantum Dynamics. GIREP-EPEC Conference – Frontiers of Physics Education, 26-31 August, 2007, Opatija, Croatia.

National Conference – Posters

  1. Chawanda, A. Electrical characterisation of Gold Schottky Barrier diodes on n-Ge (100). 52nd Annual Conference of the South African Institute of Physics, University of the Witwatersrand, Johannesburg, 2-6 July 2007. 
  2. Coelho, S. Thermally induced reaction of thin gold films with Germanium. 52nd Annual Conference of the South African Institute of Physics, University of the Witwatersrand, Johannesburg, 2-6 July 2007. 
  3. De Meyer, H. Annealing study of Schottky Diodes on n-type Germanium (111). 52nd Annual Conference of the South African Institute of Physics, University of the Witwatersrand, Johannesburg, 2-6 July 2007. 
  4. Hlatshwayo, T. Diffusion of Silver in Silicon Carbide. 52nd Annual Conference of the South African Institute of Physics, University of the Witwatersrand, Johannesburg, 2-6 July 2007. 
  5. Janse van Rensburg, P.J. Electrical characterization of Ion implanted Germanium. 52nd Annual Conference of the South African Institute of Physics, University of the Witwatersrand, Johannesburg, 2-6 July 2007. 
  6. Kassier, G.H. The effect of hydrogen implantation on the optical second harmonic generation in ZnO. 52nd Annual Conference of the South African Institute of Physics, University of the Witwatersrand, Johannesburg, 2-6 July 2007. 
  7. Kassier, G.H., Hayes, M. Auret, F.D., Diale, M., Machiatine, A.G.J. & Svensson, B.G. Hall effect studies of donors and acceptors in different types of bulk ZnO modified by annealing and hydrogen implantation. Conference on Photonic Materials, Kariega Game Reserve, South Africa, 2-6 May 2007.
  8. Langa, D. Diffusion of Silver (Ag) in Pyrolytic carbon. 52nd Annual Conference of the South African Institute of Physics, University of the Witwatersrand, Johannesburg, 2-6 July 2007.
  9. Nel, J.M. Microstructural and surface characterizatio of Gold Schottky barrier diodes on n- Ge (100). 52nd Annual Conference of the South African Institute of Physics, University of the Witwatersrand, Johannesburg, 2-6 July 2007.
  10. Nyamhere, C. A study of electron induced defects in n-type Germanium by Deep Level Transient Spectroscopy (DLTS). 52nd Annual Conference of the South African Institute of Physics, University of the Witwatersrand, Johannesburg, 2-6 July 2007.
  11. Van Schalkwyk, L. Determining the oxidation rate of Ge. 52nd Annual Conference of the South African Institute of Physics, University of the Witwatersrand, Johannesburg, 2-6 July 2007. 
  12. Zander, C. Numerical serach for highly entangled multi-qubit state sand their entanglement distribution. 52nd Annual Conference of the South African Institute of Physics, University of the Witwatersrand, Johannesburg, 2-6 July 2007.
 

National Conference – Papers

  1. Auret, F.D., Coelho, S., Hayes, M., Meyer, W.E. & Nel, J.M. Electrical characterization of defects introduced in Ge during sputter- and electron beam deposition of metals. Conference on Photonic Materials, Kariega Game Reserve, South Africa, 2-6 May 2007.
  2. Chakraborty, P. Metal nanocluster – glass composites as non-linear photonic devices. 52nd Annual Conference of the South African Institute of Physics, University of the Witwatersrand, Johannesburg, 2-6 July 2007.
  3. Chakraborty, P. Interface analysis of quantum structures by ion micro-beams. 52nd Annual Conference of the South African Institute of Physics, University of the Witwatersrand, Johannesburg, 2-6 July 2007.
  4. Coelho, S., Auret, F.D., Meyer, W.E., Hayes, M. & Nel, J. IV and CV measurements of Schottky diodes deposited on Ge by Electron Beam Deposition and Sputter Deposition. Conference on Photonic Materials, Kariega Game Reserve, South Africa, 2-6 May 2007.
  5. Grayson, D. Teaching motion graphs in kinematics and waves. 52nd Annual Conference of the South African Institute of Physics, University of the Witwatersrand, Johannesburg, 2-6 July 2007.
  6. Hayes, M. Schroeter, A., Wendler, E., Wesch, W. Auret, F.D. & Nel, J.M. Damage formation in Ge during Ar+ implantation at 15 K. Conference on Photonic Materials, Kariega Game Reserve, South Africa, 2-6 May 2007.
  7. Janse van Rensburg, P.J., Auret, F.D., Matias, V. & Vantomme, A. Electronic characterization of rare earth implanted GaN. Conference on Photonic Materials, Kariega Game Reserve, South Africa, 2-6 May 2007.
  8. Jesser, W. The role of frictional stres son the generation of misfit dislocations. 52nd Annual Conference of the South African Institute of Physics, University of the Witwatersrand, Johannesburg, 2-6 July 2007.
  9. Kassier, G.H., Hayes, M., Auret, F.D., Diale, M., Machiatine, A.G.J. & Svensson, B.G. Hall effect studies of donors and acceptors in different types of bulk ZnO modified by annealing and hydrogen implantation. Conference on Photonic Materials, Kariega Game Reserve, South Africa, 2-6 May 2007.
  10. Lorenz, K., Alves, E., Wendler, E., Wesch, W., Hayes, M. Damage production in ion implanted ZnO at low temperature. Conference on Photonic Materials, Kariega Game Reserve, South Africa, 2-6 May 2007.
  11. Nel, J.M., Griffiths, T., Van Schalkwyk, L, Van der Berg, N., Auret, F.D. & Hayes, M. The effect of various etchants on Ge (111) surface and Pd Schottky Contacts. Conference on Photonic Materials, Kariega Game Reserve, South Africa, 2-6 May 2007.
  12. Nyamhere, C., Das, M., Auret, F.D. & Chawanda, A. A study of electron induced defects in n-type germanium by deep level transient spectroscopy (DLTS). Conference on Photonic Materials, Kariega Game Reserve, South Africa, 2-6 May 2007.
  13. Odendaal, V., Botha, J.R. & Auret, F.D. On the processing of InAsSb photodiodes for infrared detection. Conference on Photonic Materials, Kariega Game Reserve, South Africa, 2-6 May 2007.
  14. Ogunbade, P. New theories of the old alpha radioactivity. 52nd Annual Conference of the South African Institute of Physics, University of the Witwatersrand, Johannesburg, 2-6 July 2007.

Chapters in books

  1. Grayson, D J. 2007. Towards a Theory of Curriculum Develoopment with reference to Science Education in Developing Countries. In: Nagao, M., Rogan, J.M. & Magno, M. (eds.). Mathematics and Science Education in Developing Countries : Issues, Experiences, and Cooperation Prospects. Diliman, Quezon City : The University of the Philippines Press. ISBN 978-971-542-533-9.
  2. Boeyens, J.C.A. 2007. The Holistic Molecule. In: Models, Mysteries and Magic of Molecules. Netherlands : Springer. ISBN: 978-1-4020-5940-7. Hoofstuk: p447-475. Aantal bladsye 484.

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