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 Prof. Moise Tchoula Tchokonte

Position: Associate Professor
Department: Physics Programme
Faculty: Faculty of Natural Science
Qualifications: PhD, MSc University of Witwatersrand, Johannesburg, South Africa.
DEA, University of Yaounde, Cameroon.
Research field: Strongly Correlated Electron System
Tel: 021 959 3465
Fax: 021 959 3474
Email: mtchokonte@uwc.ac.za
Research:
 
 
 
 

Biography

 Prof Moise Tchokonte is an Associate Professor in the Department of Physics. He obtained his DEA in Theoretical Physics at the University of Yaounde, Cameroon, his MSc degree in Theoretical Physics and his PhD degree in experimental condensed matter Physics at Wits University.
Prof Tchokonte received two awards at the South African Institute of Physics conferences: one award for the most outstanding poster presentation in the field of Solid State Physics and / or Materials Science delivered at the Annual South Africa Institute of Physics Conference in Potchefstroom, 2002. The second award was for the most outstanding work in the field of Solid State Physics and / or Materials Science based on a publication in a Scientific Journal originating from his Doctoral Thesis, at the Annual South Africa Institute of Physics Conference in Stellenbosch, 2003. He is a Member of the South African Institute of Physics and a Regular Associate of the Abdus Salam International Centre for Theoretical Physics (ICTP), Trieste, Italy.

His activities are based on Experimental research in the Strongly Correlated Electron Systems, or magnetism in the solid state and condensed matter Physics. He has made very interesting and generated exhaustive work on the competition between the Kondo effects and magnetic inter site interaction in alloys with Cerium. His research field of strongly correlated electron systems: Transport and magnetic properties of heavy-fermion and Kondo Cerium compounds. His research on these compounds involves measurements, analysis and interpretation of transport and thermodynamic properties such as electrical resistivity, magnetoresistivity, thermoelectric power, magnetic susceptibility, magnetization and specific heat capacity over a broad range of temperature and magnetic fields. He recently set up a closed – cycle Helium refrigerator for electrical resistivity measurements from room temperature (300 K) down to 2.5 K in his research laboratory. He has published several research papers in Peer-reviewed research journals and presented his research findings and interpretations at several national and international conferences and workshops.

Publications

Research Publications: 2014 – 2020

1.      Antiferromagnetic ordering in NdAuGe. A. K. Bashir, M. B. Tchoula Tchokonte, J. L. Snyman B. M. Sondezi and A. M. Strydom; Journal of Applied Physics 115 (2014) 17E134.

2.      Antiferromagnetic Kondo lattice to intermediate valence transition in Ce(Au1-xNix)2Si2 (0£ x £1), M. B. Tchoula Tchokonte, P. De V. Du Plessis, A. M. Strydom, T. B. Doyle, S. Gosh and D. Kaczorowski; Journal of Physics and Chemistry of Solids 77 (2015) 56.

3.      Magnetic and thermodynamic properties of GdCu4Au. A. K. Bashir, M. B. Tchoula Tchokonte,  D. Britz, B. M. Sondezi and A. M. Strydom; Journal of Physics: Conference Series 592 (2015) 012050.

4.      Electrical and thermal transport properties of the alloy system (Ce1-xLax)Cu4In. A. K. Bashir, M. B. Tchoula Tchokonte, D. Britz, B. M. Sondezi, A. M. Strydom and D. Kaczorowski; Journal of Physics: Conference Series 592 (2015) 012004.

5.      Crystal structure and thermodynamic properties of NdCu4Au compound. M. B. Tchoula Tchokonte, A. K. Bashir and A. M. Strydom. Journal of Physics and Chemistry of Solids 90 (2016) 59.

6.      Transport properties and magnetic behaviour of Ce8Pd24Alx (0.1£ x £ 2). M. B. Tchoula Tchokonte, P. De V. Du Plessis, A. M. Strydom and D. Kaczorowski. J. Alloy. Compd. 681 (2016) 359 – 366.

7.      Electrical and thermal transport properties of RECu4Au. A. K. Bashir, M. B. Tchoula Tchokonte, and A. M. Strydom. Journal of Magnetism and Magnetic Materials 414 (2016) 69 -73.

8.      Moment bearing – Tb substitution in CePt2Si2. M. B. Tchoula Tchokonte, Z. M. Mahlubi, A. M. Strydom, D. Kaczorowski, T. B. Doyle. Journal of alloys and Compounds 696 (2017) 1004.

9.      Magnetic and thermal properties of NdAuGa. A. K. Bashir, M. B. Tchoula Tchokonte, B. M. Sondezi, A. M. Strydom, D. Kaczorowski. Journal of Alloys and Compound 699 (2017) 7.

10.  Evolution from 4f-electron antiferromagnetic to ferromagnetic order in the CeCu(Ge1-xSnx)$ alloy series (0£ x £1). A. Altayeb, B. M. Sondezi, M. B. Tchoula Tchokonte, A. M. Strydom, D. Kaczorowski, T. B. Doyle. AIP – Advance 7 (2017) 055714.

11.  Interplay of antiferromagnetism and Kondo effect in (Ce1-xLax)8Pd24Al. A. K. Bashir, M. B. Tchoula Tchokonte, D. Britz, A. M. Strydom, D. Kaczorowski. Journal of Physics and Chemistry of Solids 106 (2017) 44 – 51.

12.  Low – temperature transport and thermodynamic properties of dense Kondo alloys Ce8Pd24(Al1-xSnx). M. B. Tchoula Tchokonte, A. K. Bashir, A. M. Strydom, T. D. Doyle and D. Kaczorowski. J. Alloys Compd. 717 (2017) 333 – 340.

13.  Electrical resistivity and thermodynamic properties of the ferromagnet Nd2Pt2In, M. B. Tchoula Tchokonte, J. J. Mboukam, A. K. H. Bashir, B. M. Sondezi, K. Ramesh Kumar, A. M. Strydom, and D. Kaczorowski. Journal of Alloys and Compound 753 (2018) 41.

14.  Combined effect of nonparaxiality, optical activity and walk – off on rogue wave propagation in optical fibers filled with chiral materials. D. D. Estelle Temgoua, M. B. Tchoula Tchokonte and T. C. Kofane; Physical Review E 97 (2018) 042205.

15.  Magnetocaloric effect and other low – temperature properties of Pr2Pt2In. J. J. Mboukam, B. M. Sondezi, M. B. Tchoula Tchokonte, A. K. H. Basher, A. M. Strydom, D. Britz and D. Kaczorowski; Physica B 536 (2018) 505.

16.  Critical behaviour study around the ferromagnetic phase transition in Pr2Pt2In. M. B. Tchoula Tchokonte, J. J. Mboukam, B. M. Sondezi, A. K. H. Bashir, A. M. Strydom, D. Britz and D. Kaczorowski; Physica B 536 (2018) 418.​​

17.  Structural, optical and Mössbauer investigation on the biosynthesized a - Fe2O3: study on different precursors. A. K. H. Bashir, C. M. Furqan, K. Bharuth – Ram, K. Kaviyarasu, M. B. Tchoula Tchokonte. Physica E 111 (2019) 152 – 157.

18.  Contrast of optical activity and roque wave propagation in chiral materials. D. D. Estelle Temgoua, M. B. Tchoula Tchokonte, M. Maaza and T. C. Kofane. Nonliear Dynamics 95 (2019) 2691 - 2702.

19.  Complex magnetic behaviour of RE8Pd24Ga (RE = Gd, Tb and Dy) compounds: application to magnetic refrigeration. J. J. Mboukam, M. B. Tchoula Tchokonte, A. K. H. Bashir, B. M. Sondezi, B. N. Sahu, A. M. Strydom, and D. Kaczorowski. Submitted to Journal of Alloys and Compounds.

20.  Critical behaviour in Nd2Pt2In studied using the magnetocaloric effect: comparison with the conventional method. J. J. Mboukam, M. B. Tchoula Tchokonte, A. K. H. Bashir, B. M. Sondezi, B. N. Sahu, A. M. Strydom, and D. Kaczorowski. Submitted to Physical Review Materials.

 

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