Chair of Dept

Physics Publications

Publications
 Thomas Sakwa
1. TW Sakwa, JS Prichan, YK Ayodo, A Sarai and HB Wafula. Equations of Motion for Multiple –
Pendula System. (Communicated to the Brazilian Journal of Physics, July 2012)
2. Ayodo Y.K, Sakwa W.T, Khanna K.M, Rapando B.W, Sarai A & Omondi C. Specific Heat Capacity of
a Degenerate Ideal Bose Gas in 1-DIM Anharmonic Potential Trap. (Accepted for review for
Publication in the International Journal of Physics and Mathematical Science, June 2012)
3. Sakwa W T, Ayodo Y K, Saisi P O, Sarai A, Rapando W & Omondi C A. A Non-degenerate Binary
System of Helium Isotopes. (Accepted for Publication in the EAJEST, July 2012 ).
4. JS Prichan, TW Sakwa, YK Ayodo and A Sarai. Equations of Motion for Multiple – Pendula System.
Indian Journal of Fundamental and Applied Life Sciences ISSN: 2231-6345. Online at
http://www.cibtech.org/jpms.htm 2012 Vol. 2(2)April-June. Manuscript MS No. JPMS 2012/02/02/019.
Accepted.
5. C A Omondi, T W Sakwa, Y K Ayodo and K M Khanna. Synthesis and Characterization of Zno NanoParticles.
Indian Journal of Fundamental and Applied Life Sciences ISSN: 2231-6345. Online at
http://www.cibtech.org/jpms.htm 2012 Vol. 2(2)April-June. Manuscript MS No. JPMS 2012/02/02/016.
Accepted.
6. Sakwa T.W, Ayodo Y.K, Sarai A, Khanna K.M, Rapando B.W & Mukoya A.K Thermodynamics of
Grand-Canonical Binary Systems at Low Temperatures. (Communicated for Publication in the
Indian Journal of Pure and Applied Science, June 2012)
7. Omondi C A, Sakwa W T & Ayodo Y K. Bilayer Metal Oxide Thin Films for UV – Visible Light
Sensing. (Accepted for Publication in the EAJEST, July 2012 ).
8. Rapando B.W, Ayodo Y.K, Sakwa T.W, Khanna K.M, Mukoya A K & A Sarai. Transition
Temperature of Superconducting Hybridized Cuprate Systems. (Accepted for Publication in the
Indian Journal of Pure and Applied Science, June 2012).
9. K.M. Khanna, T W Sakwa, A K Mukoya, K Y Ayodo & B W Rapando. Critical Temperature and
Condensate Fraction of a Bose – Einstein Condensate Trapped in a Finite Volume(Accepted for
review for Publication in the Indian Journal of Pure and Applied Sciences, May 2012 )
10. Ayodo Y.K, Sakwa W.T, Rapando B.N & Khanna K.M Prospects and Challenges of High –
Temperature Superconductors (HTS). Accepted for Publication in Journal of Science, Technology,
Education & Management, Vol.4 Nos 1 &2, September 2011, ISSN 1991-2889
11. Y. K.Ayodo, K.M.Khanna, Sakwa W.T. Thermodynamical Variations and Stability of a Binary
Bose-Fermi System, Indian Journal of Pure & Applied Physics, Vol.48, December 2010, pp.886-892
12. Khanna K.M, Ayodo Y.K, Sakwa W.T. A Hard-Sphere Assembly of Crystalline Bosons, African
Physical Review 4: 0001, (2010), 1-7
13. Khanna K.M, Ayodo Y.K, Ekai R, Sakwa W.T. Elastic Scattering of He-4 atoms at the Surface of
Liquid Helium, Indian Journal of Pure and Applied Physics, Vol.48, October 2010, pp. 743-748
14. Y K Ayodo, K M Khanna, T W Sakwa, S K Rotich, P K Torongey, & W S Mbugua. Pair Distribution
Function For Interacting Bosons and the Ground State Energy of Solid Helium-4. Indian Journal
of Pure and Applied Physics.. Vol 47, May 2009, pp 325-331
15. K M Khanna, T W Sakwa, L S Chelimo, K Y Ayodo, Solid 4He Under Very High Pressure. Indian
Journal of Pure and Applied Physics.. Vol 46, December 2008 pp 857-861.
16. H. B. Wafula, T.W Sakwa. Optical and I-V Characteristics of Pressed Nitrogen Doped TiO2
Photoelectrodes for Dye-Sensitized Solar Cells. East African Journal of Pure and Applied
Sciences(EAJPAS), Vol 1, No. 1 pp 97-100. ISSN 2070-090, 2008.
2
17. S. Omuterema, M.P. Tole, C. Ndiema, T.W Sakwa & B. Imbuga, Study of Energy Potential of
Municipal Solid Waste (MSW) Generated from Eldoret Municipality. East African Journal of Pure
and Applied Sciences(EAJPAS), Vol 1, No. 1 pp 82-84
.ISSN 2070-0903, 2008.)
18. K.M. Khanna ,S.Kirui, T.W. Sakwa, K.Y. Ayodo, Specific Heat Jump in Anisotropy YBa2Cu307-
Superconductivity. Indian Journal of Pure and Applied Physics, Vol.45, November 2007
19. K.M. Khanna ,S.Kirui, T.W. Sakwa, K.Y. Ayodo, Correlation Amplitude for Quasi-particle in HighTc
Superconductivity. Indian Journal of Pure and Applied Physics, Vol.42, October 2004, pp 758-
763.
20. K.Y. Ayodo, K.M. Khanna & T.W. Sakwa, Microcanomical ensemble of particles obeying BoseEistein
& Fermi Dirac Statistics. Indian Journal of Pure and Applied Physics, Vol.42, October 2004,
pp 749 -757.
21. T.W. Sakwa et al, Four Level Approximation in Disordered Medium. Indian Journal of Pure and
Applied Physics. Vol.42, May 2004, pp 355-360.
22. T.W.Sakwa et al, Transition Temperature for the 4He Liquid Adsorbed in Disordered Media.
Indian Journal of Pure and Applied Physics, Vol.42, May 2004, pp 351-354.
23. K.M. Khanna & T.W. Sakwa, Temporal Variations of the Condensate Fraction of Bosons. Indian
Journal of Pure and Applied Physics, Vol. 38, December 2000, pp 801-802.
24. T.W. Sakwa & K.M. Khanna, Occupation of Zero Momentum State, Condensate Fraction and
Adsorption of Liquid Helium. Indian Journal of Pure and Applied Physics, Vol. 38, October 2000,
pp 697 – 701.
25. K.M. Khanna & T.W. Sakwa, Helium (4He) in the Aerogel and Vycor Glass. Indian Journal of Pure
and Applied Physics, Vol. 38, July 2000, pp 530-532.K.M. Khanna & T.W. Sakwa, Liquid Helium,
Adsorption of Helium, Disordered Bosons, Condensate and Spatial Ordering. Indian Journal of
Pure and Applied Physics, Vol. 37, July 1999, pp 529-540
 Kennedy Ayodo
26. SakwaT.W, Ayodo Y.K, A.Sarai, Khanna K.M, Rapando B.W& Mukoya A.K
Thermodynamics of a Grand-Canonical Binary System at Low Temperatures, International
Journal of Physics and Mathematical Sciences, 2013, Vol.3(2), April-June, pp 87-98,ISSN:
2277-2111.
27. Rapando B.W, Ayodo Y.K, Sakwa T.W, Khanna K.M, Sarai A and Mukoya A K Transition
Temperature of Superconducting Hybridized Cuprate Systems, International
Journal of Physics and Mathematical Sciences, 2013, Vol.3 (2), April –June, pp 104-109,
ISSN 2277 – 2111.
28. Ayodo Y.K, Sakwa W.T & Rapando B.W Fundamentals of Physics: University Laboratory
Guide, In press, Moi University Press, Eldoret, December, 2013
29. Sakwa W.T, Ayodo Y.K, Saisi P.O, Sarai A, Rapando W, Omondi C.A A Non-Degenerate
Binary System of Helium Isotopes, East African Journal of Engineering,
Science & Technology, ISSN: 2219-8598, Vol.1 ,No.2, pp.66, April 2013
30. Omondi C.A, Sakwa W.T, Ayodo Y.K, Wafula H.B Bilayer Metal Oxide Thin Films for U-V
Visible light Sensing, East African Journal of Engineering, Science & Technology, ISSN:
2219-8598, Vol.1, No.2, pp.75, April 2013
31. C.A.Omondi, T.W. Sakwa, Y.K.Ayodo & K.M.Khanna Synthesis and Characterization of ZnO
Nano-Particles, International Journal of Physics and Mathematical Sciences, ISSN: 2277-
2111, Vol.2 (2), pp 159-168, 2012
3
32. T.W.Sakwa, J.S.Prichani, Y.K.Ayodo, A.Sarai, C.A.Omondi & H.B.Wafula Energy Equations
for N-Tuple Pendula System, International Journal of Physics and Mathematical Sciences,
ISSN: 2277-2111, Vol.2 (2), pp 154-158, 2012
33. J.S.Prichani, T.W.Sakwa, Y.K.Ayodo & A.Sarai Equations of Motion for Multiple –Pendula
System, International Journal of Physics and Mathematical Sciences, ISSN: 2277-2111,
Vol.2 (2), pp.137-140, 2012
34. S.K.Rotich, K.M.Khanna, Y.K.Ayodo, W.S.Mbugua & W.T.Sakwa Hard-sphere assembly of
crystalline bosons, Indian Journal of Pure and Applied Physics, Vol.49, January 2011, pp.7-
12
35. Ayodo Y.K, Sakwa W.T., Rapando B.N, Khanna K.M Prospects and Challenges of High –
Temperature Superconductors (HTS), Journal of Science, Technology, Education &
Management (JSTEM), Vol.4 Nos 1 &2, ISSN 1991-2889, September 2011
36. Y. K. Ayodo, K.M.Khanna, Sakwa W.T Thermodynamical Variations and Stability of a
Binary Bose-Fermi System, Indian Journal of Pure & Applied Physics, Vol.48, pp.886-892,
December 2010,
37. Khanna K.M, Ayodo Y.K, Sakwa W.T A Hard-Sphere Assembly of Crystalline Bosons, African
Physical Review 4: 0001, 1-7 (2010)
38. Khanna K.M, Ayodo Y.K, Ekai R, Sakwa W.T Elastic Scattering of He-4 atoms at the Surface
of Liquid Helium, Indian Journal of Pure and Applied Physics, Vol.48, pp. 743-748, October
2010
39. Y.K.Ayodo, K.M.Khanna & T.W.Sakwa Applications of High-Temperature Superconductors:
Prospects and Challenges. – Conference Proceedings of the Kenya DAAD Scholars
Conference held at Masinde Muliro University, 4th-5th June 2009.
40. K.M.Khanna, Y.K.Ayodo, T.W.Sakwa, S.K.Rotich Pair distribution function for interacting
bosons and the Ground state energy of solid helium-4, Indian Journal of Pure and Applied
Physics, Vol.47, 646-659, (2008)
41. K.M.Khanna, T.W.Sakwa, L.S.Chelimo, Y.K.Ayodo Solid Helium Under High Pressure, Indian
Journal of Pure and Applied Physics, Vol.46 (2008), 857-861
42. K.M.Khanna, M.S.Kirui, T.W.Sakwa, Y.K.Ayodo Specific heat jump in anisotropic
Superconductor, Indian Journal of Pure & Applied Physics, Vol.45, 1728, (2007)
43. Ayodo Y.K & Khanna K.M & T.W.Sakwa, Microcanonical ensemble model for particles
obeying Bose-Einstein and Fermi-Dirac Statistics, Indian Jour.of App. Physics, Vol.42, 615,
(2004)
44. K.M.Khanna,M.S.Kirui,T.W.Sakwa,Y.K.Ayodo, S.Rotich Correlation Amplitude for quasiparticles
in high temperature superconductors, Indian J. of Pure & Applied Physics.Vol.42,
pp 49, (2004)
45. Ayodo Y.K & Khanna K.M Statistical mechanics and thermodynamics for a mixture of
bosons and fermions, Indian Journal of Pure and Applied Physics, Vol. 41, pp 483, (2003)

 Francis M. Gaitho
46. M. Kitu, M. M. Mwamburi, F. Gaitho, C. M. Maghanga (Published online: 1 Jan. 2015) Optical
Properties of TiO2 Based Multilayer Thin Films: Application to Optical Filters. Int. J. Thin Fim Sci.
and Tech. 4, No. 1, 17-21
4
47. B. V.Odari, R. Musembi, M. Mageto, H. Othieno, F. M. Gaitho, Mwamburi Mghendi, V.
Muramba (April 2013) “Optoelectronic Properties of F-co-Doped PTO Thin Films
Deposited by Spray Pyrolysis. American Journal of Materials Science. ID:100100160
;Vol.3, No.4: 91-99
48. B. V.Odari, M. Mageto, R. Musembi, H. Othieno, F. M. Gaitho,V. Muramba (April,
2013)“ Optical and Electrical Properties of Pd- Doped SnO2 Thin Films Deposited by
Spray Pyrolysis. Australian Journal of Basic and Applied Sciences, ISSN 1991-8178, 7(2):
89-98
49. Gaitho F. M., Nderitu F. G., Muriithi P. M., Ngumbu R. G., Ngari J. K (April 2013) “ Effect
of Thermal Conductivity on the Efficiency of Polycrystaline Silicon Solar Cell” East
African Journal of Engineering, Science and Technology, ISSN 2219-8598 ,Vol. 1, No. 2.,
82-87
50. Gaitho F. M., Nderitu F. G., Muriithi P. M., Ngumbu R. G., Ngari J. K. (August 2009) “
Effect of Thermal Conductivity on the Efficiency of Single Crystal Silicon Solar Cell,
Coated with an Anti-reflective Thin Film” Solar Energy- Elsevier, Vol. 83, No. 8., 1290-
1293
51. Ngari J. K., Ngumbu R. G., Gaitho F. M, Nderitu F. G., Muriithi P. M.,(2007) “ Social and
Legal Issues That Impede Solar Utilization in Kenya” Journal of Research and
Engineering. ISSN 1597-8001, Vol. 4. 92-95.
52. Muia M. L., Gaitho F. M. (2003) “Thermal Conductivity of Wood Ash/ Diatomite
Composites Using the transient hot- Strip Method” UNESCO & Intl. Atomic Energy
Agency- The Abdus Salam International Centre for Theoretical Physics (ICTP)- Treste,
Italy. IC/IR/ 2003/14.
 Maxwell Mageto
53. Maxwell J. Mageto, C.M. Maghanga, M. Mwamburi, and Hassan Jafri (2013),
“Transparent and Conducting TiO2:Nb Prepared by spray Pyrolysis technique”, American
Journal of Scientific and Industrial Research (Accepted for publication after responding
to reviewers’ criticisms)
54. Benjamin V. Odari, Robinson J. Musembi, Maxwell J. Mageto, H. Othieno, F. Gaitho, M.
Mghendi and V. Muramba, (2013) “Optoelectronic Properties of F-co-doped PTO Thin
Films Deposited by Spray Pyrolysis” American Journal of Materials Science 2013, 3(4):
pp. 91-99 DOI: 10.5923/j.materials.20130304.05
55. Maxwell J. Mageto, V. Muramba, M. Mwamburi, (2013), “Preparation and
Characterization of Transparent and Conducting Aluminum doped Tin Oxide thin films
prepared by Spray Pyrolysis Technique”, East African Journal of Engineering, Science and
Technology, Vol. 1 Issue No. 2 April, pp.30 – 39 (ISSN 2219-8598)
56. Benjamin.V.Odari, Maxwell Mageto, Robinson Musembi, Henrick Othieno, Francis
Gaitho and Valentine Muramba, (2013), “Optical And Electrical Properties Of Pd Doped
Sno2 Thin Films Deposited By Spray Pyrolysis,” Australian Journal of Basic and Applied
Sciences, Vol. 7 issue 2 Pg 89-98, 2013 (ISSN 1991-8178)
57. Masoud Karimipour, Maxwell Mageto, R. Etefagh, E. Azhir, M. Mwamburi and Z.
Topalian (2013), “Room Temperature Magnetization in Co doped Anatase phase of
TiO2.” The European Physical Journal Applied Physics, Vol. 61: 10601 pg 1 – 6 (ISSN
1286-0042)
5
58. Maxwell Mageto and M. Mwamburi, (2012) “The influence of Al doping on optical,
electrical and structural properties of transparent and conducting SnO2 : Al thin films
prepared by spray pyrolysis Technique”, Elixir Chem. Phys. Vol. 53 : 11922-11927 (ISSN
2229-712X)
59. Maxwell J. Mageto, C.M. Maghanga, M. Mwamburi, (2012) “ The Lorentz Oscillator
model simulations illustrating a broad maximum in the bulk reflectance for frequencies
just above the resonance frequency”, The African Review of Physics, Vol. 7 : 0011, 95 –
105 (ISSN 2223-6589)
60. Maxwell Mageto, Zareh Topalian, Mwamburi Mghendi, (2008) “Superconducting
properties of Niobium using SQUID, East African Journal of Pure and applied sciences”,
Vol. 1 issue no. 1, 90-93 (ISSN 2070-0903)
61. C. M. Maghanga, M. Mwamburi, G. A. Niklasson, A. Roos and M. Mageto, (2008)
“Influence of Nitrogen Doping on the Optical Properties of Sputter deposited TiO2 Thin
Films”, East African Journal of Pure and applied Sciences, Vol 1 issue no. 1, 86-89, (ISSN
2070-0903)
 Henry Barasa Wafula
62. Wafula, H. (2015) Effect of Nitration on Pressed TiO2 Photoelectrodes for PEC solar cell,
LAP Lambert Academic publishing, Saarbrücken, Germany.
63. Wafula H., Musembi R., Juma, A., Sakwa T., Kitui M., Fischer H., and Saez R., (2015) Role
of Chlorine in Diffusion of Copper in In2S3 prepared by Ion layer gas reaction method.
Coating , 5 (1), 54-64.
64. Juma A., Wafula H, Wendler E. and Dittrich T. (2014) Meyer-Neldel rule for Copper (I)
Diffusion in In2S3 Layers. Journal of Applied Physics 115, 053703, 1-5
65. Omondi C A, Sakwa W T , Ayodo Y K and Wafula H. B., (2012) Bilayer metal oxide thin
films for U V – Visible light Sensing.Eastern Africa Journal of Engineering Science &
Technology, Vol. 1 No. 2 November 2012, pg 67-74 ISSN 2219-8598.
66. Sakwa T., Prichani, S., Ayodo, Y., Sarai, A., Omondi, S. & Wafula, H., (2012) Energy
Equations for n-Tuple Pendula Systems, International Journal of Physics and
Mathematical Sciences, Vol. 2
67. Wafula, H.B. and Sakwa, T., (2008) Optical and IV Characteristics of pressed Nitrogen
Doped TiO2 Photoelectrodes for Dye-sensitized Solar Cells. East African Journal of Pure
and Applied Sciences (EAJPAS), Vol 1 No. 1 pp 97-100. ISSN 2070-0903
68. Wafula H. B., Mwabora J. M., Simiyu J., and Waita S., (2007) Effect of Nitration on
Pressed TiO2 Photoelectrodes for Dye-sensitized Solar Cells. African Journal of Science
and Technology (AJST), Science and Engineering Series Vol. 8, No. 2, pp. 63-71

 George Simiyu Manyali
69. Warmbier, GS. Manyali and A. Quandt, Surface plasmon polaritons in lossy
uniaxial anisotropic materials, Physical Review B 85 (8), 085442,9, (2012).
70. A. Quandt, R. Warmbier and GS. Manyali, A multi-scale approach to computational
photonics, Electromagnetics in Advanced Applications (ICEAA), International
Conference, 408-411, (2012)
6
71. GS. Manyali, R Warmbier, A Quandt and JE Lowther, Ab initio study of elastic
properties of super hard and graphitic structures of C3N4, Computational Materials
Science 69, 299-303, 3, (2013).
72. GS. Manyali, R. Warmbier and A. Quandt, Computational study of the structural,
electronic and optical properties of M2N2(NH): M = C, Si, Ge, Sn, Computational
Materials Science 79, 710714, (2013).
73. GS. Manyali, R. Warmbier and A. Quandt, First-principles studies of dinitrides CN 2
SiN 2 and GeN 2 , Computational Materials Science 95, 706-711, (2014)
74. GS. Manyali, R. Warmbier and A. Quandt, First-principles studies of hypothetical
Si 3 N 2 , Computational Materials Science 96, 140-145, (2015)
 Jacob Oduogo
75. Boniface Otieno Ndinya, Florence Mutonyi D’ujanga, Jacob Olawo Oduogo, Andrew Odhiambo
Oduor, Joseph Omolo Akeyo (2015) First Order Expectation Values of Electron Correlation
Operators for Two-Electron Atoms American Journal of Modern Physics; 4(2): 70-74 ISSN: 2326-
8867 (Print); ISSN: 2326-8891 Published online March 4, 2015
(http://www.sciencepublishinggroup.com/j/ajmp)
 Antonate Sarai
76. JS Prichan, TW Sakwa, YK Ayodo and A Sarai. Equations of Motion for Multiple –
Pendula System. Indian Journal of Fundamental and Applied Life Sciences ISSN: 2231-
6345. Online at http://www.cibtech.org/jpms.htm 2012 Vol. 2(2)April-June. Manuscript
MS No. JPMS 2012/02/02/019
77. SakwaT.W, Ayodo Y.K, A.Sarai, Khanna K.M, Rapando B.W& Mukoya A.K
Thermodynamics of a Grand-Canonical Binary System at Low Temperatures,
International Journal of Physics and Mathematical Sciences, 2013, Vol.3(2), April-June,
pp 87-98, ISSN: 2277-2111.
78. Rapando B.W, Ayodo Y.K, Sakwa T.W, Khanna K.M, Sarai A and Mukoya A K
Transition Temperature of Superconducting Hybridized Cuprate Systems, International
Journal of Physics and Mathematical Sciences, 2013, Vol.3 (2), April –June, pp 104-109,
ISSN 2277 – 2111.
79. Sakwa W.T, Ayodo Y.K, Saisi P.O, Sarai A, Rapando W, Omondi C.A
A Non-Degenerate Binary System of Helium Isotopes, East African Journal of
Engineering, Science & Technology, ISSN: 2219-8598, Vol.1 ,No.2, pp.66, April 2013
80. Sakwa W.T, Ayodo Y.K, Saisi P.O, Sarai A, Rapando W, Omondi C.A
A Non-Degenerate Binary System of Helium Isotopes, East African Journal of
Engineering, Science & Technology, ISSN: 2219-8598, Vol.1 ,No.2, pp.66, April 2013
81. T.W.Sakwa, J.S.Prichani, Y.K.Ayodo, A.Sarai, C.A.Omondi & H.B.Wafula
Energy Equations for N-Tuple Pendula System, International Journal of Physics and
Mathematical Sciences, ISSN: 2277-2111, Vol.2 (2), pp 154-158, 2012

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