Browsing Faculty of Science by Title

Browsing Faculty of Science by Title

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  • Electronic, magnetic, and transport properties of the isotypic aluminides SmT2Al10 (T = Fe, Ru) 
    Peratheepan, P.; Strydom, A. M. (Journal of Physics, 2015)
    We report the results of a comprehensive physical and magnetic property study of the new isotypic aluminides SmT2Al10 (T = Fe, Ru). These two compounds are members of a rare-earth based system which has become an exemplary ...
  • Evidence for strong f-d hybridisation in intermetallic ferromagnet CePdIn2 
    Carleschi, E.; Doyle, B. P.; Snyman, J. L.; Magnano, E.; Nappini, S; Pis, I.; Bondino, F.; Peratheepan, P.; Strydom, A. M. (Physical Review, 2015)
    We have investigated the contribution of Ce 4 f states to the electronic structure of the intermetallic ferromagnet CePdIn 2 by means of x-ray absorption spectroscopy and resonant and nonresonant photoemission ...
  • Exact anisotropic sphere with polytropic equation of state 
    Thirukkanesh, S.; Ragel, F. C. (Pramana-Journal of Physics, 2012)
    We study static spherically symmetric spacetime to describe compact objects with anisotropic matter distribution. We express the system of Einstein field equations as a new system of differential equations using a coordinate ...
  • Exact models for isotropic matter 
    Thirukkanesh, S; Maharaj, S. D. (Classical and Quantum Gravity, 2006)
    We study the Einstein-Maxwell system of equations in spherically symmetric gravitational fields for static interior spacetimes. The condition for pressure isotropy is reduced to a recurrence equation with variable, ...
  • The final outcome of dissipative collapse in the presence of Λ, PRAMANA 
    Thirukkanesh, S.; Moopanar, S.; Govender, M (journal of Physics, 2012)
    We investigate the role played by the cosmological constant during gravitational collapse of a radiating star with vanishing Weyl stresses in the interior. We highlight the role played by the cosmological constant during ...
  • Flame retardant polyamide fibres: The challenge of minimising flame retardant additive contents with added nanoclays 
    Horrocks, A. R.; Sitpalan, A.; Zhou, C.; Kandola, B. (Polymers, 2016)
    This work shows that halogen-free, flame retarded polyamide 6 (PA6), fabrics may be produced in which component fibres still have acceptable tensile properties and low levels (preferably ď10 wt %) of additives by ...
  • Fluctuations and the ferromagnetic instability in YFe2Al10: the role of Fe stoichiometry 
    Strydom, A. M.; Khuntia, P.; Baenitz, M.; Peratheepan, P.; Steglich, F. (Physica Status, 2013)
    YFe2Al10 forms in a well-ordered crystal structure, with a unique site for the magnetic atom Fe. At elevated temperatures YFe2Al10 behaves electronically as a good metal. At low temperatures on the other hand, signatures ...
  • General relativistic model for mixed fluid sphere with equation of state 
    Ragel, F. C.; Thirukkanesh, S. (The European Physical Journal, 2019)
    We generate a general frame work to solve the Einstein system with an equation of state that describe static spherically symmetric anisotropic matter distribution in terms of a generating function. It is examined for a Van ...
  • Generalized isothermal models with strange equation of state 
    Thirukkanesh, S; Maharaj, S. D. (PRAMANA- journal of Physics, 2008)
    We consider the linear equation of state for matter distributions that may be applied to strange stars with quark matter. In our general approach the compact relativistic body allows for anisotropic pressures in the ...
  • Generating potentials via difference equations, 
    Maharaj, S. D.; Thirukkanesh, S (Mathematical Methods in the Applied Sciences, 2006)
    The condition for pressure isotropy, for spherically symmetric gravitational fields with charged and uncharged matter, is reduced to a recurrence equation with variable, rational coefficients. This difference equation is ...
  • Hypergeometric Equation in Modeling Relativistic Isotropic Sphere 
    Thirukkanesh, S.; Ragel, F. C. (International Journal of Theoretical Physics, 2014)
    We study the Einstein system of equations in static spherically symmetric spacetimes. We obtained classes of exact solutions to the Einstein system by transforming the condition for pressure isotropy to a hypergeometric ...
  • Intervention of CIDA restore project for providing safe drinking water to the villages Palameenmadu and Puthukkudiyiruppu 
    Fernando, P. R.; Krishanthan, S. (2nd Conference of CIDA Restore Project, 2009)
    The water crisis is one of the most significant issues in Sri Lanka after the Tsunami inclusive of Batticaloa district. The people those who are living in the Batticaloa district especially in Tsunami affected areas are ...
  • Kondo behaviour of the solid solution (Ce1-xLax)PtGa 
    Ragel, F. C.; P de V du Plessis; A M Strydom (Journal of Physics and Chemistry of Solids, 2010)
    The solid solution (Ce1−xLax)PtGa has been studied through X-ray diffraction, magnetization (σ(B)), magnetic susceptibility (χ(T)), electrical resistivity (ρ(T)), magnetoresistivity (MR) and heat capacity (CP(T)) measurements. ...
  • Long-range magnetic order in CeRu2Al10 studied via muon spin relaxation and neutron diffraction 
    Khalyavin, D. D.; Hillier, A. D.; Adroja, D. T.; Strydom, A. M.; Manuel, P.; Chapon, L. C.; Peratheepan, P.; Night, K.; Deen, P.; Ritter, C.; Muro, Y.; Takabatake, T. (Physical Review, 2010)
    The low temperature state of CeRu2Al10 has been studied by neutron powder diffraction and muon spin relaxation (muSR). By combining both techniques, we prove that the transition occurring below T*~27K, which has been the ...
  • Magnetic and transport studies on Cr100-xIrx alloys Single crystal 
    Fernando, P. R.; Sheppard, C. J.; Prinsloo, A. R. E. (59th Annual Conference of the South African Institute of Physics, 2014)
    Abstract An investigation into the physical properties of Cr100-xIrx alloy single crystals, with x = 0.7, 1.5, 2.0 and 2.5, were previously used to determine the magnetic phase diagram of Cr100-xIrx alloy system around ...
  • Mechanical Properties of Poly(vinyl alcohol) Montmorillonite Nanocomposites. 
    Soundararajah, Q. Y.; Karunaratne, B. S. B.; Rajapakse, R. M. G. (J. Compos. Mater., 2010)
    The properties of polymers are greatly enhanced when they are incorporated with silicate-layered clays as they find many applications in the fields of electronics, automobile industry, packaging, and construction. In this ...
  • Microstructure of InxGa1-xN nanorods grown by molecular beam epitaxy 
    Soundararajah, Q. Y.; Webster, R. F. (Semicond. Sci. Technol, 2015)
    Transmission electron microscopy is used to examine the structure and composition of InxGa1−xN nanorods grown by plasma-assisted molecular beam epitaxy. The results confirm a core–shell structure with an In-rich core and ...
  • Mixed potentials in radiative stellar collapse 
    Thirukkanesh, S.; Maharaj, S. D. (Journal of Mathematical Physics, 2010)
    We study the behaviour of a radiating star when the interior expanding, shearing fluid particles are traveling in geodesic motion. We demonstrate that it is possible to obtain new classes of exact solutions in terms of ...
  • Montmorillonite polyaniline nanocomposites: Preparation, characterization and investigation of mechanical properties 
    Soundararajah, Q. Y.; Karunaratne, B. S. B.; Rajapakse, R. M. G. (Mater. Chem. Phys, 2009)
    The interest in clay polymer nanocomposites (CPN) materials, initially developed by researchers at Toyota, has grown dramatically over the last decade. They have attracted great interest, both in industry and in academia, ...
  • New Classes of Charged Spheroidal Models 
    Thirukkanesh, S (Journal of Astrophysics, 2013)
    New classes of exact solutions to the Einstein-Maxwell system is found in closed form by assuming that the hypersurface t =constant is spheroidal. This is achieved by choosing a particular form for the electric field ...

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