SAIP2015

SAIP2015 Proceedings

The Proceedings of the 60th Annual Conference of the South African Institute of Physics (SAIP2015)

ISBN: 978-0-620-70714-5

Publication Date: 17 July 2016

The Proceedings of SAIP2015 will only be available electronically. The papers are ordered by SAIP Division and then alphabetically by first author surname. The PDF file of the Proceedings can be navigated from the Table of Contents by clicking on the appropriate paper title. Alt+left arrow navigates back to the previous view. All the content of the PDF file is searchable.
 

Citation information:

Author names, Title (optional), in The Proceedings of the 60th Annual Conference of the South African Institute of Physics (SAIP2015), edited by Makaiko Chithambo (RU) and André Venter (NMMU) (2015), pp. xxx - yyy. ISBN: 978-0-620-70714-5.
Available online at http://events.saip.org.za

 

Complete SAIP2015 Proceedings

Note: We recommend to first save the file to your machine (with a Right-click --> Save as...) and to then open / view the saved file.

• Original Proceedings PDF (68 MB and a total of 565 pages), (Published 17 July 2016)

Addendum to the SAIP2015 Proceedings

Note: We recommend to first save the file to your machine (with a Right-click --> Save as...) and to then open / view the saved file.

• Addendum Proceedings PDF (5.2 MB and a total of 47 pages), (Published 12 August 2016)

 

Full Research Papers from the SAIP2015 Proceedings

 

 

Division A – Division for Physics of Condensed Matter and Materials

Electronic and Optical Properties of monolayer MX2(M= Zr, Hf; X= S, Se) from first principles calculations
Mahmud Abdulsalam, D. N. G. Moise and Daniel P. Joubert

 

Investigation of the introduction and annealing behaviour of the donor-vacancy complex in alpha-particle irradiated germanium

Abraham W. Barnard, Walter E.Meyer, F. Danie Auret, Phuti N.M. Ngoepe and Sergio M.M. Coelho

 

Laser excitation studies and crystal-field analysis of ZnO:Tb3+ and ZnO:Eu3+ powders

N A Bhebhe, M Mujaji, D Wamwangi, L F Koao and F B Dejene

 

Methane dissociation over Pd nanocluster: DFT study

M.H. Chuma, H.R. Chauke, G. Jones and P.E. Ngoepe

 

Effect of background gas and substrate temperature on ZnO:Zn PLD thin films

E Hasabeldaim, O M Ntwaeaborwa, R E Kroon and H C Swart

 

Structural and magnetic properties of NiFe2O4/NiFe bi-magnet and NiFe nano-alloy synthesized from thermal reduction of NiFe2O4

Itegbeyogene P Ezekiel, Thomas Moyo and Hafiz M I Abdallah

 

Electronic and magnetic properties of the (Cr84Re16)100−yMny alloy system

BS Jacobs, AD Faceto, CJ Sheppard, ARE Prinsloo, PC de Camargo and AJA de Oliviera

 

Effect of pH on the properties of ZnO nanostructures prepared by chemical bath deposition method

L F Koao, F B Dejene and H C Swart

 

Phototransferred thermoluminescence and phosphorescence related to phototransfer in annealed synthetic quartz

EFM Kombe-Atang and ML Chithambo

Structure prediction of manganese dioxide nanoclusters using computer simulation techniques

R R Maphanga, P E Ngoepe, C R A Catlow and S M Woodley

 

Synthesis, structural and optical characterisation of cobalt and indium co-doped ZnO nanoparticles

MW Maswanganye, KE Rammutla, TE Mosuang, BW Mwakikunga, TS Bertrand and M Maaza

 

The modified interatomic potentials of FeS2 in atomistic simulations

M AMehlape, P E Ngoepe and S C Parker

Néel temperature dependence of Cr + 1 at.% Al thin films on MgO(110), MgO(100) and fused silica

ZP Mudau, ARE Prinsloo, CJ Sheppard, AM Venter and EE Fullerton

 

Characterisation of traditional ceramic materials used in the Sotho culture (South Africa) for clay pot making

A F. Mulaba-Bafubiandi and P X D A Hlekane

 

Iron bearing minerals characterised with Mossbauer spectroscopy at the Mineral Processing and Technology Research Centre, University of Johannesburg, South Africa

A F Mulaba – Bafubiandi

 

Electronic and Magnetic Structure of Cr doped Rutile and Anatase TiO2; an ab-initio DFT+U study

Winfred M. Mulwa, Cecil N.M.Ouma, Martin O. Onani, Francis B. Dejene

 

Exciton energies of chalcopyrites AgAlX2(X=S,Se,Te) from GW and BSE calculations

GM Dongho Nguimdo and Daniel P Joubert

 

Collective Electronic Excitations in Ferromagnetic Metals

V Nolting

 

Dependence of the photoionization cross-section of alpa-Al2O3:C on the measurement temperature

A. Nyirenda, M.L. Chithambo

Simultaneous substitution of Ba, Mn and Co into Fe3O4 spinel structure: magnetic and electrochemical sensing properties of the synthesized nanoparticles

Nadir S E Osman, Neeta Thapliyal, Thomas Moyo and Rajshekhar Karpoormath

 

An ab-initio study of the metastability of the boron-vacancy complex in silicon

Cecil N M Ouma and Walter E Meyer

 

Physical properties of Cr78Al22 thin films

ARE Prinsloo, CJ Sheppard, HA Derrett, N van den Berg and EE Fullerton

 

Electrical characterization of undoped and niobium-doped n-type silicon diodes

M J Thebe, S J Moloi and M Msimanga

 

Electrical characterisation of 5.4 MeV alpha-particle irradiated; low doped, n-type gallium arsenide

S M Tunhuma ,F D Auret ,M J Legodi and M Diale

 

A quantitative evaluation of the depth resolution of AES depth profiling of Cu/Ni multilayer thin films using the MRI model

X.L.Yan, Y. Liu, H.C. Swart, J.Y. Wang, J.J. Terblans

 

Study of the interdiffusion in Cu/Ni multilayer thin films by Auger electron spectroscopy depth profiling

X.L.Yan, Y. Liu, H.C. Swart, J.Y. Wang, J.J. Terblans

Division B – Nuclear, Particle and Radiation Physics

High-momentum particle production at hadron colliders

D M Adamiak, W A Horowitz

 

Online energy reconstruction on ARM for the ATLAS TileCal sROD co-processing unit

Mitchell A. Cox and Bruce Mellado

 

Measuring the orientation of the Ge Crystals of the iThemba LABS Segmented Clover Detector

T. S. Dinoko, T. D. Bucher, E. A. Lawrie, J. Easton, N. Erasmus, S. P. Noncolela, O. Shirinda

 

Analysis and quantification of modelling errors introduced in the deterministic calculational path applied to a 2-node problem

T.P. Gina, S.A. Groenewald , W.R. Joubert , S.H. Connell

 

Jet substructure: a discovery tool

Deepak Kar

 

Ambient gamma dose rate measurements at Manyoni uranium deposits, Singida, Tanzania

K F Kasoga, D A Mwalongo, S F Sawe, M M Nyaruba and U Dammalapati

 

An electronics test-bench for the certification of the Tile Calorimeter of the ATLAS detector

C O Kureba, X Ruan, M Spoor, M Govender, I Hofsajer, B Mellado and C Sandrock

 

The search for Dark Matter in association with the Higgs boson with the di-photon decay

C. O. Kureba, X. Ruan and B. Mellado

 

Data processing at The South African Nuclear Energy Corporation SOC Ltd (Necsa) neutron diffraction facility

D Marais, A M Venter and J Markgraaff

 

Status of the measurements of Higgs boson properties with the ATLAS detector

Bruce Mellado

 

Probing new physics in the Higgs sector with effective field theories at the Large Hadron Collider

Bruce Mellado, Luis March, Xifeng Ruan

 

Efficient processing of physics quantities for the Processing Unit for the upgrade of the TileCalorimeter of ATLAS

D Ohene-Kwofie, E Otoo and B Mellado

 

A study of radiation damage in plastic scintillators using magnetic resonance techniques for the upgrade of the ATLAS detector

C. Pelwan, H. Jivan, D. Joubert, J. Keartland, M. Madhuku, B. Mellado, G. Peters, K. Sekonya, E. Sideras-Haddad

 

A Di-Higgs Search in the gamma-gamma-beta-beta' Decay Channel Using the ATLAS Detector

Robert G. Reed, Stefan Von Bruddenbrock, Deepak Kar, Bruce Mellado

 

A Framework Tool for Integrating the Back-End Infrastructure in the ATLAS Detector Control System

Robert Graham Reed, Bruce Mellado

 

GPU-based Computation of Energy and Time for the Upgrade of the Tile Calorimeter of the ATLAS Detector

Marc Sacks, Bruce Mellado

Division C – Photonics

Gene expression changes in diabetic wound healing as induced by photobiostimulation in vitro

S M Ayuk, H Abrahamse and N N Houreld

 

Synchrotron modeling of the gamma-ray to optical afterglow of GRB 130427A and expected neutrino flux

Jessymol K Thomas, Reetanjali Moharana and Soebur Razzaque

 

Novel zincate phosphors: A new red emitting phosphor for LED applications

Vijay Kumar, Sudipta Som, Somrita Dutta, Hendrik C Swart

 

Investigated charge carrier effects in silicon membranes using a femtosecond laser

WI Ndebeka, PH Neethling, CM Steenkamp, H Stafast, EG Rohwer

 

Fluorescence behaviour of Eu doped Gd2O3 nanosheets via CuO incorporation

Anurag Pandey, R. E. Kroon and H. C. Swart

 

A Nonlinear Optical loop Mirror enhanced three wavelength oscillations Erbium doped fiber laser source based on Fiber Bragg Grating reflectors

S. Qhumayo and R. Martinez

Division D1 – Astrophysics

Very-high energy emission from pulsars

M Breed, C Venter and A K Harding

 

Spectral studies of aring quasar PKS 1424-418 above 100 MeV with Fermi-LAT

Feraol F. Dirirsa, Richard J. Britto and Soebur Razzaque

 

The Vela Supercluster - does it provide the missing link to explain the local ow fields?

A Elagali, R C Kraan-Korteweg and M E Cluver

 

A ‘road test’ of ANOVA versus DFT and LS as a period-finding algorithm

C A Engelbrecht and F A M Frescura

 

Optical spectroscopic observations of unclassified Active Galactic Nuclei in the Fermi-2LAC catalogue

L Klindt, B van Soelen, PJ Meintjes and P Vaisanen

 

A Timing Noise Analysis Pipeline for HartRAO pulsars applied to PSR J1326-5859

Jacques Maritz, Pieter Meintjes, Sarah Buchner, Natalia Lewandowska

 

Possible extragalactic astrophysical counterparts of IceCube neutrino events

Reetanjali Moharana, Richard J. Britto, Soebur Razzaque

 

A comparative study of the three empirical solar models in North West Province, South Africa

T.S. Mulaudzi , N.E. Maluta , V Sankaran and F Nemangwele

 

A quasi-periodicity in the optical polarization of the blazar PKS 2155-304

N.W. Pekeur, R. Taylor, S.B. Potter and R.C. Kraan-Korteweg

 

Optical Observations of the Be/X-ray Binary A0538-66

A F Rajoelimanana, P A Charles, P J Meintjes and L J Townsend

 

Rotation Curves and Bars: Accounting for Non-circular Motions in Barred Spiral Galaxies

Toky H. Randriamampandry, Claude Carignan, Francoise Combes and Nathan Deg

 

Studying stellar populations of luminous red galaxies to probe the Hubble parameter H(z)

A. L. Ratsimbazafy, C. M. Cress, S. M. Crawford, M. Smith

 

Implementation of a goodness-of-fit test for finding optimal concurrent radio and -ray pulsar light curves

A S Seyffert, C Venter, A K Harding, J Allison and W D Schutte

 

Numerical modelling of hydrodynamical astrophysical outflows: application using the PLUTO code

I P van der Westhuizen, B van Soelen, P J Meintjes, S J P K Riekert and J H Beall

 

Optical spectroscopy of PSR B1259-63 around the 2014 periastron passage

B van Soelen, P Vaisanen, I Sushch, L Klindt, PJ Meintjes, A. Odendaal and R. Armstrong

 

The unusually strong coronal emission lines of SDSS J1055+5637

Hartmut Winkler

Division D2 – Space Science

Modelling ground conductivity for computing the electric field associated with geomagnetically induced currents using the Finite Element Method. (A mid latitude case study)

E Matandirotya, P J Cilliers, and R R Van Zyl

 

An integrated software based analytical model for the signal path efficiency of the HartRAO lunar laser ranger optical system

S C Ndlovu, L Combrinck, N P Nkosi and R C Botha

 

Division E – Education

The light bulb effect: University students’ problem solving cognitive processes in a physics problem solving skills test

C Albers, D Clerk and D Naidoo

 

Effect of guided inquiry laboratory activities on first-year physics students’ views on the nature of science

V M Baloyi, W E Meyer and E Gaigher

Division F – Applied Physics

Performance Comparison between the Traditional Intensity Modulation Direct Detection and Coherent Detection in a High Speed Optical Fibre Communication System

T V Chabata, D Kiboi Boiyo, E K Rotich Kipnoo, R R G Gamatham, A W R Leitch, T B Gibbon

 

Monte Carlo based estimation of the effect of different aerosol classes on solar irradiance in African atmospheric conditions

Marie Chantal Cyulinyana and Hartmut Winkler

 

Characteristics and functions of the South African national measuring standard for force

S T S Dlamini

 

Estimation of energy production decrease due to shading for the NamPower rooftop photovoltaic system

P Dobreva, E E van Dyk and F J Vorster

 

Measuring the optical thermometry properties of La2O2S:Eu phosphor material

L J B Erasmus, H C Swart, J J Terblans and R E Kroon

 

Acceleration parameters for fluid physics with accelerating bodies

I.M.A. Gledhill, H. Roohani, A. Biobaku and B. Skews

 

Unfolding the fast neutron energy distribution of a NE230 deuterated liquid scintillator detector using the MAXED code

M S Herbert

 

Fibre-to-the-Hut Technology: A solution for Cheap Access for High Speed-Optical Network in South Africa

G M Isoe, E K Rotich, R R G Gamatham, A W R Leitch and T B Gibbon

 

Time of Crossing in Pulsed Eddy Current Signals

B Kibirige

 

Electronic tracking system for quantum cryptography and radio telecommunication

M Mariola, Y Ismail, A Mirza, F Petruccione

 

Open-Source electronic board designed in South Africa for Africa

M Mariola, F Petruccione

 

Analysis of homogeneity in thin film photovoltaic modules using large area light beam induced current (LA-LBIC) measurements

M Okullo, F J Vorster, E E van Dyk and J L Crozier

 

Enhancing light absorption and lifetime stability of organic solar cells using pentacene encapsulation

F Otieno, K Kamalakannan, M Airo and D Wamwangi

 

Division G – Theoretical and Computational Physics

Density functional theory on a lattice: Particlenumber dependence of the exchange- correlationpotential

Kossi Amouzouvi and Daniel Joubert

 

Non-universality in a constrained period doubling route to chaos for Rössler’s system

André E Botha and Wynand Dednam

 

Simulating cyclic loading of atomic-sized gold tips on gold surfaces via classical molecular dynamics and density functional theory transport calculations

W Dednam, C Sabater, M A Fernandez, C Untiedt, J J Palacios, M J Caturla

 

Quasi-normal Modes for Spin-3/2 Fields

Gerhard Erwin Harmsen

 

Thomas Rotation and Quantum Entanglement

JM Hartman, SH Connell and F Petruccione

 

Security of quantum key distribution

Mhlambululi Mafu

 

Security of the Bennett 1992 quantum key distribution protocol in the presence of noise

Mhlambululi Mafu, Makhamisa Senekane, Kevin Garapo and Francesco Petruccione

 

One and Two Dimensional Models of Dye Adsorption for application in Dye Sensitized Solar Cells

N.E. Maluta, N. Mphephu, V. Sankaran, T.S. Mulaudzi, F. Nemangwele

 

Molecular dynamics studies of Schottky and Frenkel defects in cerium dioxide

Thabiso Lekoko, Thuto Mosuang, and Erasmus Rammutla

 

A phenomenological description of the bath and its effect in photosynthetic light-harvesting systems

JA Nöthling, TPJ Krüger and T Mancal

 

Neutrino mass hierarchy and CP phase measurement using atmospheric neutrino flux

Soebur Razzaque

 

Projection operators in the theory of open quantum systems

V Semin, F Petruccione

 

Hypothesising the effects of Higgs portal dark matter in particle colliders

Stefan von Buddenbrock