Dr. Laith Ahmed Najam
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Dr. Laith Ahmed Najam

Professor
Department of Physics, Mosul University, Iraq


Highest Degree
Ph.D. in Semiconductor Radiation Detectors from University of Mosul, Iraq

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Biography

Dr. Laith Ahmed Najam Abdulla holds a position of Professor. He has completed his Ph.D. in Semiconductor Radiation Detectors from Mosul University, Iraq. He is supervising 3 MSc and 1 PhD student. He is also serving as member of editorial board and reviewer for more than 117 journals. He has published 39 research articles in journals contributed as author/co-author.

Area of Interest:

Physical Science Engineering
100%
Nuclear Physics
62%
Radiation Physics
90%
Semiconductors
75%
Radiation Detection and Measurements
55%

Research Publications in Numbers

Books
3
Chapters
0
Articles
117
Abstracts
1

Selected Publications

  1. Hashim, A.K., L.A. Najam, N.I. Ashour and E.J. Mohammed, 2019. Uranium concentration, effective radium content and radon exhalation rate estimation for different tea brand samples in Iraqi market. Plant Arch., 19: 407-412.
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  2. Hashim, A.K., L.A. Najam, E.J. Mohammed and A.S. Hameed, 2019. Estimation of radon exhalation rate, radium activity and uranium concentration in biscuit samples in Iraq. Iran. J. Med. Phys., 16: 152-157.
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  3. El-Taher, A., L.A. Najam, I. Hussian and M.A.A. Omar, 2019. Evaluation of natural radionuclide content in Nile river sediments and excess lifetime cancer risk associated with gamma radiation. Iran. J. Med. Phys., 16: 27-33.
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  4. Al-Jobouri, H.A., F.H. Taha, L.A. Najam and W.T. Faaz, 2019. Determination the effect of gamma radiation on (CR-39, CN-85) detectors by using of penetration of (He-Ne) laser beam. Res. J. Applied Sci., 14: 45-48.
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  5. Abojassim, A.A., H.A.U. Mohammed, L.A. Najam and A. El-Taher, 2019. Uranium isotopes concentrations in surface water samples for Al-Manathera and Al-Heerra regions of An-Najaf, Iraq. Environ. Earth Sci., Vol 78 10.1007/s12665-019-8134-2.
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  6. Najam, L.A., S.A. Ebrahiem, S.A. Abbas and H.A. Mahdi, 2018. Assessment of radon gas concentrations levels and radiation hazards in the dwellings of Baghdad province, Iraq. Rayasan J. Chem., 11: 37-40.
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  7. Al-Jobouri, H.A., W.T. Faaz and L.A. Najam, 2018. Effect of ultraviolet radiation on CN-85 and CR-39 detectors by UV-visible spectroscopy and (He-Ne) laser penetration techniques. Asian J. Chem., 30: 2075-2078.
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  8. Najam, L.A., S.A. Ebrahiem and S.A. Abbas, 2017. Measurement of radioactivity in some granite samples by using (HPGE) detector. Int. J. Latest Trends Eng. Technol., 8: 146-150.
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  9. Najam, L.A., S.A. Ebrahiem and S.A. Abbas, 2017. Evaluation of natural radioactivity in Selected Soil Samples from the Archaeological of Ur City by using HPGe detector. World Sci. News, 62: 79-92.
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  10. Najam, L.A., M.S. Karim and T.K. Hameed, 2017. Evaluation of natural radioactivity of soil samples from different regions of Wassit governorate. Pollut., 3: 47-53.
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  11. Najam, L.A., K.H. Taghreed and O.F. Ahmed, 2017. Assessment of radon gas concentrations levels and hazards indices in houses of wassit province Iraq. Rasayan J. Chem., 10: 1311-1315.
  12. Najam, L.A., F.A. Majeed, M.H. Kheder and S.A. Younis, 2017. Estimation the radiological hazard effects for soil samples of Nineveh province. Int. J. Phys., 5: 53-56.
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  13. El-Taher, A., L.A. Najam, A.H. Oraibi and M.O. Isinkaye, 2017. Effect of cement factory exhaust on radiological contents of surrounding soil samples in Assuit province, Egypt. J. Phys. Sci., 28: 137-150.
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  14. Abojassim, A.A., L.A. Najam, D. Naji and T.A. Hussain, 2017. The effective radium content and radon exhalation rate in hair dyes samples. Int. J. Radiat. Res., 15: 207-211.
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  15. Najam, L.A., M.S. Karim and T.K. Hameed, 2016. Measurement of radon gas concentration in tap water samples in wassit governorate by using nuclear track detector (CR-39). Int. J. Phys., 4: 119-122.
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  16. Najam, L.A., H.L. Mansour, N.F. Tawfiq and M.S. Karim, 2016. Measurement of radon gas concentrations in tap water samples for thi-qar governorate using nuclear track detector (CR-39). Detection, 4: 1-8.
    CrossRef  |  
  17. Najam, L.A., H.L. Mansour, N.F. Tawfiq and M.S. Karim, 2016. Measurement of radioactivity in soil samples for selected regions in Thi-Qar governorate-Iraq. J. Rad. Nucl. Applic., 1: 25-30.
  18. Najam, L.A., A.K. Hashim, H.A. Ahmed and I.M. Hassan, 2016. Study the attenuation coefficient of granite to use it as shields against gamma ray. Detect., 4: 33-39.
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  19. Majeed, M.A., G.A. Naeem and L.A. Najam, 2016. Attenuation of X-ray fluorescence by cadmium compounds (CdSO4, CdCl2, CdO). Int. J. Adv. Res. Phys. Sci., 3: 1-4.
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  20. Hadi, R.J., A.A. Abojassim and L. Najam, 2016. Radial atomic properties of excited states for beryllium atom (1s2 2s ns) (1s). Am. J. Mod. Energy, 2: 1-4.
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  21. Battawy, A.A., N.F. Tawfiq, L.A. Najam, M.S. Jaafar and I.S. Mustafa, 2016. Indoor radon concentration measurement in different Iraqi radiation locations. Int. J. Recent Res. Rev., 9: 1-7.
  22. Al-Jobouri, H.A., L.A. Najam and M.Y. Rajab, 2016. Image analysis of Cr-39 and Cn-85 detector irradiated by thermal neutron. Int. J. Recent Res. Rev., 9: 8-12.
  23. Abood, S.N. and L.A. Najim, 2016. An IBM-2 calculation of E2/M1 multipole mixing ratios of transitions in 90-96Sr. Int. J. Phys., 4: 5-10.
  24. Najam, L.A., S.A. Younis and F.H. Kithah, 2015. Natural radioactivity in soil samples in Nineveh province and the associated radiation hazards. Int. J. Phys., 3: 126-132.
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  25. Najam, L.A., N.F. Tawfiq and F.H. Kitha, 2015. Measuring radioactivity level in various types of rice using NaI (Tl) detector. Am. J. Eng. Res., 4: 126-132.
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  26. Najam, L.A., N.F. Tafiq and F.H. Kitah, 2015. Estimation of natural radioactivity of some medicinal or herbal plants used in Iraq. Detect., 3: 1-7.
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  27. Najam, L.A. and S.A. Younis, 2015. Assessment of natural radioactivity level in soil samples for selected regions in Nineveh province (Iraq). Int. J. Novel Res. Phys. Chem. Math., 2: 1-9.
  28. Najam, L., N.F. Tawfiq and S.A. Younis, 2015. A comparative study of the results of natural radioactivity and the associated radiation hazards of Na(Tl) and HPGe detectors. Int. J. Recent Res. Rev., 8: 1-9.
  29. Najam, A., N.F. Tawfiq and S.A. Younis, 2015. Measurement of natural radioactivity in brick samples used in the construction in Iraq Laith. Arch. Phys. Res., 6: 13-19.
  30. Majeed, F.A. and L.A. Najim, 2015. Contribution of high energy configurations to longitudinal and transverse form factors in p-and sd-shell nuclei. Indian J. Phys., 89: 611-618.
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  31. Hashim, A.K., L.A. Najam and R.D. Al-Alawy, 2015. Effective radium content and radon flux determination in cereals and legumes Iraqian products. Estratto Atti Fondazione Giorgio Ronchi, 70: 609-617.
  32. Hashim, A.K., L.A. Najam and L. Tettey-Larbi, 2015. A study of radon concentration in different brands tobacco cigarette in Iraqi market, influencing factors and lung cancer risk. Int. J. Sci. Technol., Vol. 5. .
  33. Hashim, A.K. and L.A. Najam, 2015. Radium and uranium concentrations measurements in vegetables samples of Iraq. Detection, 3: 21-28.
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  34. Hashim, A.K. and L.A. Najam, 2015. Measurement of uranium concentrations, radium content and radon exhalation rate in Iraqian building materials samples. Int. J. Phys., 4: 159-164.
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  35. Hashim, A.K. and L.A. Najam, 2015. Alpha radioactivity in various brands of rice in Iraqi market. Int. J. Environ. Monit. Prot., 2: 70-75.
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  36. Al-Jobouri, H.A., M.Y. Rajab and L.A. Najam, 2015. Analysis of nuclear track parameters of CN-85 detector irradiated to thermal neutrons by using MATLAB program. Detection, 3: 29-36.
  37. Abood, S.N., M.B.B. Hamida and L.A. Najim, 2015. Structure evolution in odd-even Eu- 155 nucleus within IBFM-2. Am. J. Mod. Energy, 1: 17-24.
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  38. Abbas, I.K., L.A. Najam and A.U. AuobSulaiman, 2015. The effect of gamma irradiation on the structural properties of porous silicon. Int. J. Phys., 3: 1-7.
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  39. Saad, N.A., A.N. Laith and J.K. Yousif, 2014. Nuclear structure of the samarium isotopes 152-154 Sm using models of IBM-2 and DDM. Eur. J. Acad. Essays, 1: 76-83.
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  40. Najam, L.A., N.F. Tawfiq and E.M. Younis, 2014. Radon emanation from drinking water samples of Nineveh province (IRAQ). Am. J. Modern Phys., 3: 257-260.
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  41. Najam, L.A., I.K. Abbas and A.U.A. Sulaiman, 2014. The influence of gamma irradiation on the chemical and transport properties of porous silicon. Adv. Appl. Sci. Res., 5: 218-223.
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  42. Najam, L.A., A.K. Mheemeed and I.M. Hassan, 2014. Using gamma-ray to determine the homogeneity of some building materials. Int. J. Phys., 2: 23-29.
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  43. Nada, F.T., A.N. Laith and M.Y. Enas, 2014. Uranium concentration and its associated health hazards in drinking water of Nineveh province (Iraq). World Appl. Sci. J., 31: 1938-1944.
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  44. Mheemeed, A.K., L.A. Najam and A.K. Hussein, 2014. Transfer factors of 40K, 226Ra, 232Th from soil to different types of local vegetables, radiation hazard indices and their annual doses. J. Radioanal. Nucl. Chem., 302: 87-96.
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  45. Abood, S.N., L.A. Najim and J.K. Yousif, 2014. Nuclear structure of the Samarium isotopes 152-154Sm using models of IBM-2 and DDM. Int. J. Recent Res. Rev., 7: 76-83.
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  46. Najam, L.A., S.N. Abood and A.K.S. Abdul Kader, 2013. IBM-2 calculations for even-even Xe isotopes. Concepts Pure Appl. Sci., 1: 28-43.
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  47. Najam, L.A., N.F. Tawfiq and R.H. Mahmood, 2013. Radon concentration in some building materials in using CR-39 track detector. Int. J. Phys., 1: 73-76.
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  48. Najam, L.A., N.F. Tawfiq and Q.A. Yassen, 2013. Determination of uranium concentrations in some building materials in Iraq. Nukleonika, 58: 329-331.
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  49. Najam, L.A., N.F. Tawfiq and F.H. Kitah, 2013. Measurement of natural radioactivity in building materials used in Iraq. Aust. J. Basic Appl. Sci., 7: 56-66.
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  50. Abood, S.N., L.A. Najim and E.M. Younis, 2013. Nuclear structure and electromagnetic transitions of 152 Gd nucleus within Interacting Boson Model (IBM) and Dynamic Deformation Model (DDM). J. Nat. Sci., 1: 86-93.
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  51. Abood, S.N., A.K.S.A. Kader and L.A. Najim, 2013. Nuclear structure of the germanium nuclei in the Interacting Boson Model (IBM). Adv. Applied Sci. Res., 4: 63-73.
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  52. Abood, S.N., A.K. Saad and L.A. Najim, 2013. Electromagnetic transitions and structures of even-even 76-90Kr isotopes within interacting Boson model. Elixir Nucl. Radiat. Phys., 64: 19268-19281.
  53. Abood, S.N. and L.A. Najim, 2013. Interacting Boson Model (IBM-2) calculations of selected even-even Te Nuclei. Adv. Appl. Sci. Res., 4: 444-451.
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  54. Najam, L.A., N.Y. Jamil and R.M. Yousif, 2012. Fabrication of CdMnTe semiconductor as radiation detector. Indian J. Phys., 86: 267-272.
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  55. Najam, L.A., N.Y. Jamil and R.M. Yousif, 2012. Comparison in mobility, transit time and quality factor between CdMnTe and CdZnTe detectors. Afr. J. Rev. Phys., 7: 269-272.
  56. Najam, L.A., F.M. Al-Jomaily and E.M. Al-Farha, 2011. Natural radioactivity levels of limestone rocks in Northern Iraq using gamma spectroscopy and nuclear track detector. J. Radioanal. Nucl. Chem., 289: 709-715.
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  57. Yousuf, R.M., M.M. Husain and L.A. Najam, 2009. Measurement of radon-222 concentration levels in spring water in Iraq. Jordan J. Phys., 2: 89-93.
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  58. Yousuf, R.M. and L.A. Najam, 2009. Preparation of domestic nuclear detector using solutions of the scintillation materials (Acridine) and (Eosin). Jordan J. Phys., 2: 181-188.
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