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Dr. Daniel Barasa Bem

Lecturer, Department of Physics

Home School of Pure & Applied Sciences Department of Physics Dr. Daniel Barasa Bem

Dr. Daniel Barasa Bem

Lecturer, Department of Physics

Academic Qualifications

Adetomilola Victoria Fafure, Daniel B. Bem , Stanley Wambugu Kahuthu, Adeolu Adesoji Adediran, Michael Oluwatosin Bodunrin, Abosede Adefunke Fabuyide, Kenneth Kanayo Alaneme. Advances in Silicon-Carbon Composites Anodes Derived from Agro wastes for Applications in Lithium-ion battery: a review [ Manuscript submitted to Journal]
Sylvester W. Makumi, Daniel Bem , Zlatan Aksamija, Nicholus Musila, Cameron Foss (2023). In-plane thermoelectric properties of Graphene/xBN/Graphene Van der Waals Heterostructure. Journal of Physics: Condensed Matter . 35 155701 DOI 10.1088/1361-648X/acb89e
Elicah Nafula Wabululu, P.W.O Nyawere, Daniel B. Bem . (2018). First-Principles Calculation of Structural, Electronic and Elastic Properties of tysonite Lanthanum Fluoride (LaF3). Journal of Research in Environmental and Earth Science . 04 No.1. pp 36-40.
P. N. Onkundi, K. M. Munji, D. B. Bem and B. Muthoka. (2018). Effect of Deposition Parameters on Optical and Electrical Properties of SnO 2 :Al Thin Films Prepared by Spray Pyrolysis Technique for Optoelectronic Devices. Int. J. Thin. Fil. Sci. Tec. 7 , No. 1. 25-33.
Elicah Nafula Wabululu, P.W.O Nyawere, Daniel B. Bem . (2017).Scientific Research Through Simulation in Africa: Role of HPC in Computational Material Studies. International Journal of Materials Science and Applications . 6 , No. 4, 2017, pp. 190-192. doi: 10.11648/j.ijmsa. 0604.14
Daniel B. Bem , Hendrick C. Swart , Adriaan S. Luyt and Francis B. Dejene. (2011) “Luminescent properties of long-lasting BaAl x O y :Eu 2+ ,Dy 3+ nanocomposites”. Journal of Applied Polymer Science. Vol. 121, Issue 1, pp. 243–252, 5 DOI: 10.1002/app.33553, 2011.
Daniel B. Bem , A.S. Luyt c , B.F. Dejene , H.C. Swart . (2012 ). Temperature dependence of the structural and luminescent properties of long-lasting afterglow SrAl x O y :Eu 2+ ,Dy 3+ phosphor. Physica B: Condensed Matter . 407 , Pages 1556–1560. doi: 10.1016/j.physb. 2011.09.085
F.B. Dejene, D.B. Bem , H.C. Swart. (2010). Synthesis and characterization of CaAl x O y :Eu 2+ phosphors prepared using solution-combustion method. Journal of Rare Earths , 28 , p. 272. DOI: 10.1016/S1002-0721(10)60380-8.
Bem, D.B .; Swart, H.C.; Luyt, A.S.; Coetzee, E.; Dejene, F.B. (2010). Properties of Green SrAl 2 O 4 Phosphor in LDPE and PMMA Polymers. Journal of Applied Polymer Science , 117 , Issue 5, pp. 2635–2640. DOI: 10.1002/app.31405. 05-Sep-2010
D.B. Bem , A.S. Luyt, F.B. Dejene, J.R. Botha, H.C. Swart. (2009). Structural, luminescent and thermal properties of blue SrAl 2 O 4 :Eu 2+ ,Dy 3+ phosphor filled low-density polyethylene composites. Physica B: Condensed Matter . 404 , Issue 22 , Pages 4504–4508. doi: 10.1016/j.physb.2009.09.050
D.B. Bem , H.C. Swart, A.S. Luyt, M.M. Duvenhage, F.B. Dejene. (2011). Characterization of Luminescent and Thermal Properties of Long Afterglow SrAl x O y :Eu 2+ ,Dy 3 + Phosphor Synthesized by Combustion Method. Journal of Polymer Composites. 32 , Issue 2, pages 219–226. DOI: 10.1002/pc.21036.
D.B. Bem (1998). ‘Laser technology in development.” Journal of East African Research and Development .
D.B. Bem (1996). "The electrical transport properties of bromine-doped polypropylene. The East African Journal of Science .

Conference Papers

  1. D.B. Bem , “DC conductivity and Thermoelectric Power of Bromine-doped Polypropylene.” presented at the 1st regional/6 th annual general conference of KNAP, Nairobi, 1992.
  2. Departmental (Weekly), University seminars
  3. Third South African Conference on Photonic Materials, Kariega, South Africa, (June, 2011)
  4. International Conference on Rare Earths, Beijing, China, (2010)
  5. 53 rd South African Institute of physics Conference, Durban (June, 2009)
  6. 52 nd South African Institute of physics Conference, Polokwane (June, 2008)
  7. 4 th International Conference of the African-Materials Research Society, Dar Es Salaam, Tanzania, (December, 2007)
  8. ICTP African Regional College on Science at the Nanoscale, Capetown, South Africa, (19 th to 30 th November, 2007)
  9. 51 st South African Institute of physics Conference, Johannesburg (June, 2007)
  10. School on Optical Fibre Technology, Port Elizabeth, South Africa (March, 2007)

Awards & Honours

  • National Research Fund (South Africa) award to study PhD (2007, 2008, 2009, 2010)
  • Deans Committee Award (2000)
  • Scholarship from Kenya Government to study MSc Physics at Kenyatta University (1988 - 1990)
  • National Congress in Science and Technology Award: (St Patrick’s High School Iten, Kenya – 1981)

Professional Affiliations

  • Kenya Physical Society
  • Materials Research Society
  • South African Institute of Physics