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Prof. Mohamed Mahmoud Hafiz Mohamed

Professor, Department of Physics , Faculty of Science, Assiut University

C.V Details




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Office Tel.

:

082124

Home Tel.

:

002 088 2334180

Mobile No.

:

01223980557

Fax No.

:

0020882342708

E-Mail

:

mmhafez22@aun.edu.eg
mmhafiz12@ yahoo.co.uk

google scholar link

:

http://scholar.google.com.eg/citations?user=Z1x7eJUAAAAJ&hl=en
Educational Qualifications:
  • Ph. D. In Physics ( Solid state Physics ) , Faculty of Science, Assiut University, 1973
  • M. Sc. In Physics ( Solid state Physics ) , Faculty of Science, Assiut University, 1970
  • B. Sc. In Physics ( Solid state Physics ) , Faculty of Science, Assiut University, 1965


 

 
  • Professor, Department of Physics , Faculty of Science, Assiut University, 2004
  • Professor, Department of Physics , Faculty of Science, Assiut University, 1984
  • Associate Professor, Department of Physics , Faculty of Science, Assiut University, 1977
  • Lecturer, Department of Physics , Faculty of Science, Assiut University, 1973
  • Demonstrator, Department of Physics , Faculty of Science, Assiut University, 1965
 

Past Positions :

  • Head, Department of Physics , Faculty of Science, Assiut University, from September 2001 to November 2003
  • Research fields:
    crystallization stages , calorimetric studies , optical properties , glassy alloys

    Publications:

    1 - M. I. Abd‑Elrahman, A. A. Abu‑Sehly, Sherouk Sh. El‑sonbaty, M. M. Hafiz, Determination of optical constant and dispersion parameters of Se75Sb10In15 thin film characterized by wide band gap, Appl. Phys. A, Vol. 123, No. 143, pp. 1-7, 2017
    2 - Alaa Abd-Elnaiem, Mansour Mohamed, Rashed Hassan, A. Abu-Sehly, M. Abdel-Rahim,Mohamed Hafiz, Influence of annealing temperature on the structural and optical properties of As30Te70 thin films, Materials Science-Poland , De Gruyter Open, 35(2), 335-345, https://www.degruyter.com/view/j/msp.ahead-of-print/msp-2017-0052/msp-2017-0052.xml, July, 2017
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    3 - Mansour Mohamed, Alaa M. Abd-Elnaiem,R. M. Hassan, M. A. Abdel-Rahim, M. M. Hafiz, Non-isothermal crystallization kinetics of As30Te60Ga10 glass , Applied Physics A , Springer Nature , 123, DOI 10.1007/s00339-017-1111-2, http://rdcu.be/t5pn , June, 2017
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    4 - M. I. Abd-Elrahman, M. M. Hafiz, Ammar Qasem, M. A. Abdel-Rahim, Characterization of the optical constants and dispersion parameters of chalcogenide Te40Se30S30 thin film: thickness effect, Appl. Phys. A, vol.122,No.2, PP.1-6, 2016
    5 - M.I. Abd-Elrahman, , M.M. Hafiz, A.M. Abdelraheem, A.A. Abu-Sehly, Effect of Sn additive on the structure and crystallization kinetics in Ge–Se alloy, Journal of Alloys and Compounds, Volume 675, 5 , 1-7, http://www.sciencedirect.com/, 8, 2016
    6 - M.A. Abdel-Rahim, M.M. Hafiz & A.Z. Mahmoud, Crystallization kinetics and thermal stability in Se85-xTe15Sbx chalcogenide glasse, Phase Transitions, Vol. 89 - Issue. 11, pp. 1029 - 1042, 2016
    7 - M. I. Abd-Elrahman, M. M. Hafiz, Ammar Qasem, M. A. Abdel-Rahim, Heat treatment and thickness-dependent electrical study of Se50Te20S30 thin film, Appl. Phys. A, Vol. 122, No. 772, pp. 1-6, 2016
    8 - M.A. Abdel-Rahim ; M.M. Hafiz ; A.Y. Abdel-Latief ; Alaa M. Abd-Elnaiem ; A.Elwhab. B. Alwany, A study of the non-isothermal crystallization kinetic of Zn10Se90 glass, Applied Physics A , Springer Berlin Heidelberg, (3) 119 , 881-890, http://link.springer.com/article/10.1007/s00339-015-9031-5, 2015
    9 - M.I.Abdel-rahman , A.Y.Abdel-latief, Rasha M. Khafagy, Noha Younis, M.M.Hafiez., Thermal annealing effect on the optical properties of Ag10AS30S60 thin film, Spectrochemica Acta Part A : Molecular and Bimolecular Spectroscopy , 137, 26-32, 2015
    10 - M.A. Abdel-Rahim, M.M. Hafiz and A.Z. Mahmoud, Effect of Sb additive on structural and optical properties of Se–Te–Sb thin films., Applied Physics A, 118., 981–988, 2015
    11 - M.A. Abdel-Rahim, M.M. Hafiz and A.Z. Mahmoud, Crystallization kinetics of overlapping phases in Se70Te15Sb15 using isoconversional methods., Progress in Natural Science Materials International , 25 , 169–177, 2015
    12 - M.A. Abdel-Rahim, M.M. Hafiz and A.Z. Mahmoud, Influence of thermal annealing on strucural and optical properties of Se70Te15Sb15 thin films, Chalcogenide Letters, 12, 263–275, 2015
    13 - M. RASHAD, N. M. SHAALAN, M. M. HAFIZ, ENHANCED PHOTOCATALYTIC OF ZnO NANOSTRUCTURES VIA SHAPE CONTROLLED PLATINUM THIN FILM, Digest Journal of Nanomaterials and Biostructures, Digest Journal of Nanomaterials and Biostructures, 10-3, 823 - 830, http://www.chalcogen.ro/digest.html, July, 2015
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    14 - M.I. Abd-Elrahman , M.M. Hafiz, A.M. Abdelraheem, A.A. Abu-Sehly, Characterization of optical constants and dispersion parameters of highly transparent Ge20Se76Sn4 amorphous thin film, Optical Materials, Vol.50, PP. 99–103, 2015
    15 - M.A. Abdel-Rahim, M.M. Hafiz, A.Z. Mahmoud*, Influence of thickness and annealing on optical constants of Se82.5Te15Sb2.5 chalcogenide thin films, Solid State Sciences, Vol. 48, pp. 125 -132, 2015
    16 - M.A. Abdel-Rahima, M.M. Hafiza & A.Z. Mahmouda, Study of crystallization kinetics of Se77.5Te15Sb7.5 glass using isoconversional models, Phase Transitions, Vol. 88 - Issue. 12, 2015
    17 - M.I. Abd-Elrahman , Rasha M. Khafagy , Noha Younis , M.M. Hafiz , Structural and calorimetric studies of two crystallization stages of Ag10As30S60 glassy alloys, Physica B , vol.449, PP.155–159, 2014
    18 - M.I. Abd-Elrahman , Rasha M. Khafagy , Shiamaa A. Zaki , M.M. Hafiz, Development and study of chalcogenide Se60Te30S10 thin film coated by carbon film: Structural and optical properties, Materials Science in Semiconductor Processing, Vol. 27, PP.827–832, 2014
    19 - M.I. Abd-Elrahman, RashaM.Khafagy, NohaYounis, M.M.Hafiz, Structural and calorimetric studies of two crystallization stages of Ag10 As30S60 glassy alloys, Physica B, Elsevier, Vol. 449, 155-159, journalhomepage: www.elsevier.com/locate/physb, November, 2014
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    20 - M.I.Abdel-rahman, A.Y.Abdel-latief, Rasha M. Khafagy, Noha Younis, M.M.Hafiez, Effect of Film thickness on the optical constants and dispersion parameters of chalcogenide Ge20Se70Ag10 thin films., Materials Science in Semiconductor Processing, 24, 21-25, 2014
    21 - M.A. Abdel-Rahim , M.M.Hafiz , A.Elwhab.B.Alwany, The effect of composition on structural and optical properties of ZnSealloys, Optics & Laser Technology, Vol.47, PP.88–94, 2013
    22 - Mostafa.I. Abd-Elrahman ⇑, Mohmed.M. Hafiz, On thickness and annealing dependence of optical properties of Te67.5 Ga2.5 As30 thin film as optoelectronic material, Journal of Alloys and Compounds, pp. 562–567, 2013
    23 - M.I. Abd-Elrahman , Rasha M. Khafagy , Shiamaa A. Zaki , M.M. Hafiz, Effect of composition on the optical constants of Se 100xTex thin films, Journal of Alloys an d Compounds, Vol.571, PP.118–122, 2013
    24 - Mostafa I.Abd-Elrahman , MohmmedM.Hafiz, Phase transformation and crystallization kinetics of Te67.5Ga2.5As30 amorphous alloy, Physica B, Vol.410, PP.53–56, 2013
    25 - M. M. Hafiz. H. Mahfoz Kotb, M. A. Dabban, , A. Y. Abdel-Latief, Optical properties of Cd20 Se80-xMx (M : Zn, In and Sn) thin films alloys, Optical & Laser technology, 49, 188-195, 2013
    26 - M.A. Abdel-Rahim , M.M.Hafiz , A.Elwhab.B.Alwany, Influence ofannealingonthestructureandopticalpropertiesofZn40Se60 thin films, Optics &LaserTechnology, Vol. 44, PP. 1116–1121, 2012
    27 - Farid M. Abdel-Rahim a,*, M.M. Hafiz b, H. Alsorory, Structure and electrical properties of Bi5GexSe95, Current Applied Physics, PP. 389-393, 2012
    28 - H. Mahfoz Kotb∗, M.A. Dabban, A.Y. Abdel-latif, M.M. Hafiz, Annealing temperature dependence of the optical and structural properties of selenium-rich CdSe thin films, Journal of Alloys and Compounds , PP. 115– 120, 2012
    29 - H. Mahfoz Kotb, M. A. Dabban, A. Y. Abdel-Latief, M. M. Hafiz., Annealing temperature dependence of the optical and structure properties of selenium –rich CdSe thin films , Journal of alloys and compounds, 512, 115-120, 2012
    30 - H. MahfozKotb a,n, M.A.Dabban a, F.M.Abdel-Rahim b, A.Y.Abdel-latif a, M.M.Hafiz, Thermally inducedeffectsonstructuralandelectricalpropertiesof selenium-richCd-Sethinfilms, Physica B406, PP.1326–1329, 2011
    31 - Farid M. Abdel-Rahim a,*, M.M. Hafiz b, H. Alsorory, Compositional dependence of the optical parameters for Bi5GexSe65, Vacuum , Vol. 86, PP. 351-355, 2011
    32 - H. Mahfoz Kotb, M. A. Dabban, F. M. Abdel-Rahiem, A. Y. Abdel-Latief, M. M. Hafiz., Thermally induced effects on structural and electrical properties of selenium-rich Cd—Se. Thin films , Physical B, 406, 1326-1329, 2011
    33 - M.A. Abdel-Rahim_, A. El-Korashy, M.M. Hafiz, A.Z. Mahmoud, Kinetic study of non-isothermal crystallization of BixSe100-x chalcogenide glasses, Physica B, Vol. 403, PP. 2956–2962, 2008
    34 - A. Abu El-Fadl, M.M. Hafiz, M.M. Wakkad, A.S. Aashour, Electrical conductivity and crystallization kinetics of amorphous Ag10Te90 and Ag20Te80 thin films, Solid State Sciences, Vol. 10, PP. 1416-1421, 2008
    35 - M.A. Abdel-Rahim, A. El-Korashy, M.M. Hafiz and A.Z. Mahmoud, , Kinetic study of non-isothermal crystallization of BixSe100−x chalcogenide glasses, Physica B: Condensed Matter, 403 (18), 2956-2962, 2008
    36 - A.Abu-Fadla ,M.M.Hafiz ,M.M.Wakaad ,A.S.Ashour, Calorimetric studies of the crystallization process in Cu10Se90 and Cu20Se80 chalcogenide glasses, Physica B condensed Matter, Vol. 398, No. 1, pp. 118-125 , 8, 2007
    37 - M.M.Hafiz ,A.A.Othman ,M.M.ElNahass and A.T.Al-Motasem, Composition and thermal – induced effects on the optical constants of Ge20Se80-xBix thin films, Physica B condensed Matter , Vol. 390, No. 1-2, pp. 348-355 , March, 2007
    38 - M.M.Hafiz ,A.A.Othman ,M.M.ElNahass and A.T.Al-Motasem, Composition and electric field effects on the transport properties of Bi doped chalcogenide glasses thin films, Physica B condensed Matter, Vol. 398, No. 1-2, pp. 286-292 , 2007
    39 - A.Abu-Fadla ,M.M.Hafiz ,M.M.Wakaad ,A.S.Ashour, Influence of radiation on the optical parameters of Ag10Te90 thin films, Radiation Physics and Chemistry , Vol. 76, No. 1, pp. 61-66 , January, 2007
    40 - M.A.Abdel-Rahim , M.M.Hafiz, M.M.El-Nahass ,A.M.Shamekh, Influence of composition on optical and electrical properties of Ge-Se-In thin films, Physics B condensed Matter , Vol. 387, No. 1-2, pp. 383-391 , 2007
    41 - A. El-Korashy, M.A. Abdel-Rahim, M.M. Hafiz and A.Z. Mahmoud, , Composition Effect on the Optical and Electrical Parameters of BixSe100−x Thermal Evaporated Films international conference on nanotechnology and its applications, 10-12 April 2007, jointly sponsored by the American University of Sharjah and the Universit, international conference on nanotechnology and its applications, 10-12 April 2007, jointly sponsored by the American University of Sharjah and the University of Sharjah, United Arab of Emirates, 2007
    42 - A.Abu-Fadla ,M.M.Hafiz ,M.M.Wakaad ,A.S.Ashour, Annealing effects on the optical parameters of Cu10Se90 and Cu20Se80 films deposited by evaporyion technique, Physics B condensed Matter, Vol. 382, No. 1-2, pp. 110-117, June, 2006
    43 - M.Dongol, T.H.Gerber, M.Hafiz, M.Abou-Zied and A.F.Elhady, On the Structure of As2Te3 glass, J of Phys Condensed Matter, Vol. 18, No. 27, pp. 6213-6224, 2006
    44 - A.Abu EL-Fadl, M.M. Hafiz, M.M. Wakaad and A.S. Aashour , Influence of -irradiation on the optical parameters of Ag10Te90 thin films, Radiation Physics and Chemistry, , 76(1), 61-66, 2006
    45 - A. Abu EL-Fadl, M.M. Hafiz, M.M. Wakaad, A.S. Aashour , γ – Irradiation induced effect on the optical parameters of Cu10Se90 thin films, 8th Radiation Physics Conference, 13-15 November 2006 Beni Suef University, Beni Suef, Egypt. Published in Arab Journal of Nuclear Sciences and Applications, 281-296, November, 2006
    46 - A. Abu EL-Fadl, M.M. Hafiz, M.M. Wakaad, A.S. Aashour , Annealing effects on the optical parameters of Cu10Se90 and Cu20Se80 films deposited by evaporation technique, Physica B , 366, 44-54, 2006
    47 - A. Abu EL-Fadl,_M.M. Hafiz, M.M. Wakaad, A.S. Aashour , Influence of -radiation on the optical parameters of Ag10Te90 thin .films, Radiation Physics and Chemistry , 76, 61-66, 2006
    48 - M.A.Abdel-Rahim , M.M.Hafiz, A.M.Shamekh, A study of crystallization kinetics of some Ge-Se-In glasses, Physics B condensed Matter, Vol. 369, No. 1-4, pp. 143-154 , 2005
    49 - M.Dongol, M. M.Hafiz, M.Abou-Zied and A.F.Elhady, Effect of composition on the electrical and structural properties of As-Te-Ga thin films, Applied Surface Science, Vol. 185, No. 1-2, pp. 1-10 , December, 2001
    50 - A.H.Moharram , M.M.Hafiz , A.Salem, Electrical properties and structural changes of thermally co-evaporated CuInSe films, Applied Surface Science , Vol. 172, No.1-2, pp. 61- 67, March, 2001
    51 - M.M.Hafiz, O.El-Shazly , N.Kinawy, Reversible phase change in BixSe100-x chalcogenide thin films for using as optical recording medium, Applied Surface Science , Vol. 171 , No. 3-4 , pp. 231-241, 2001
    52 - O.El-Shazly ,M.M.Hafiz , Anealing effects on the structural and optical characteristics of electron beam deposited Ge-Se-Bi thin films, J Material Science Materials in Electronics, Springer New York, Vol. 12 , No. 7 , pp. 395-401, July, 2001
    53 - A.H.Moharram, M.M.Hafiz ,A.A.Abu-Sehly, Crystallization kinetics of thermally evaporated As.Te.In thin films , Applied Surface Science , Vol. 137 , No. 1-4 , pp. 150-156 , January, 1999
    54 - M.M.Hafiz , A.H.Moharram and A.A.Abu-Sehly, Characterization of (As.Te)1-xSex thin films, Appl.Phys.A, Vol. 12 , No. 7 , pp. 217.- 221, 1998
    55 - M.M.Hafiz ,M.A.Abdel-Rahim and A.A.Abu-Sehly, Optical absorption and electrical conductivity of amorphous As.Te.Ge thin films, Physica B, Vol. 252 , No.3, pp. 207- 215, 1998
    56 - M.M.Hafiz,A.H.Moharram and A.A.Abu-Sehly , The effect of silver incorporation on the properties of co-evaporated arsenic telluride thin films, Applied Surface Science, Vol. 115 , No. 3, pp. 203 - 210, July, 1997
    57 - M.M.Hafiz,A.H.Moharram,M.A.Abdel-Rahim,and A.A.Abu-Sehly , The effect of annealing on the optical absorption and electrical conduction of amorphous As.Te.Cd thin films , Thin Solid Films, Vol. 292, No. 1-2, pp. 7 -13, January, 1997
    58 - A.B.Abd El-Moiz, M.M.Hafiz,A.H.Oraby and M.Dongol, Optical investigations of InxSe1-x thin films ( III )”,, Physica B, Elsevier, Vol. 217, No. 3, pp. 265-273, February, 1996
    59 - محمد محمود حافظ, تدريس الفيزياء لطلاب كليات الهندسة, المؤتمر الدولى لتعليم الفيزياء لغير المتخصصين , July, 1994
    60 - A.B.Abd El-Moiz,M.A.Hefni,F.M.Reicha and M.M.Hafiz., Optical investigations of InxSe1-x thin films ( II ) , Physica B, Vol. 191, No. 3-4, pp. 303-311, September, 1993
    61 - M.M.Hafiz,F.H.Hammad and N.A.El-Kabany, Short- and medium range order in Se-Ge glassy systems (I) Effect of composition , Physica B, Vol. 183, No. 4, pp. 392-398, May, 1993
    62 - محمد محمود حافظ, تكنولوجيا الطاقة والتعليم الفنى, المؤتمر العربى الرابع لتدريس الفيزياء جامعة عين شمس ، القاهرة , November, 1993
    63 - محمد محمود حافظ, الطاقة والمجتمع فى تدريس العلوم, مؤتمر مستقبل تعليم العلوم والرياضيات وحاجات المجتمع العربى الجامعة الأمريكية ، بيروت ، لبنان , October, 1993
    64 - M.A.Abdel-Rahim,A.H.Moharram ,M.M.Hafiz and N.Afify, Crystallization kinetics and electrical properties of chalcogenide glass As25Si45Te30 , J.Thermal Analysis , Vol. 39, No. 11-12, pp. 1483-1494, 1993
    65 - N.Afify,A.H.Moharram,M.Dongol and M.M.Hafiz, Crystallization kinetics and activation energies in the Bi-Se-In glassy system , Physica B, Vol. 176, No. 4, pp. 301-308, April, 1992
    66 - A.B.Abd El-Moiz, N.Afify and M.M.Hafiz, DTA studies on the crystallization of InxSe1-x chalcogenide glasses, Physica B, Vol. 182, No. 1, pp. 33-41, February, 1992
    67 - M.M.Hafiz,M.A.Osman,A.S.Abd El-Halim and A.Abu El-Fadl, Differential scanning calorimetric study of Se70Ge20Sb10 chalcogenide glass , Solid State Commu, Vol. 80, No. 3, pp. 209-211 , October, 1991
    68 - N.Afify, M.A.Abd El-Rahim ,A.S.Abd El-Halim and M.M.Hafiz, Kinetic study of non-isothermal crystallization in powder Se0.7Ge0.2Sb0.1 chalcogenide glass , J.Non-Crystalline Solids, Vol. 128, No. 3, pp. 269-278 , May, 1991
    69 - M.M.Hafiz,M.Dongol and A.H.Moharram, Effect of increasing Ag content on the properties of amorphous films, Egypt.J.Sol, Vol. 14, pp. 62-69 , 1991
    70 - M.M.Ibrahim,N.Afify,M.M.Hafiz and M.A.Mahmoud, Thermoelectric power of bulk specimens of the system Bi1-xTex., J.Phys.Chemi.Solids , Vol. 51, No. 3, pp. 253-258, 1990
    71 - M.M.Hafiz, N.Afify , M.A.Osman and M.Dongol, Kinetic study of continuous heating crystallization in Se0.8Te0.2 glass, J.Thermal Analysis, Vol. 36, pp. 2417-2426 , 1990
    72 - M.N.Abdel-Rahim ,A.H.Moharram,M.Dongol and M.M.Hafiz, Experimental studies on the Ge-Sb-Se system, J.Phys.Chemi.Solids, Vol. 51, No. 4, pp. 335-359, 1990
    73 - M.M.Ibrahim,S.M.El-Halawany,M.M.Hafiz and M.N.Abdel-Rahim, Temperature dependence of the dielectric parameters of the system BixGe20Se80-x , Indian J. of Pure &Applied Physics , Vol. 28, pp. 22-27, 1990
    74 - محمد محمود حافظ, مركز لخدمة وتطوير الصناعات الصغيرة فى مصر, مؤتمر الجامعات والصناعة ، المجلس الأعلى للجامعات, May, 1990
    75 - M.M.Hafiz,A.H.Moharram,M.N.Abdel-Rahim and N.A.Kabany, Switching and surface crystallization in As30Ge10Se40S20, Bull.Fac.Sci, Vol. 18, 1989
    76 - M.M.Ibrahim ,N.Afify ,M.M.Hafiz and M.A.Mahmoud, Electrical Conductivity and Thermoelectric Power of powder Compacts of the system Bi(1-x)Te(x), Powder Metallurgy International, Vol. 20, pp. 21-24, 1988
    77 - M.M.Ibrahim,N.A.Afify,M.M.Hafiz and M.A.Mahmoud, DC Electrical conductivity of bulk specimens of the system Bi1-xTex, J.Phys. Chem.Solids , Vol. 49, No.10, pp. 1127 - 1132, 1988
    78 - M.M.Ibrahim,S.M.El-Halawany,M.M.Hafiz and M.N.Abdel- Rahim, Electrical and structural properties of BixGe20Se80-x chalcogenide system, Egyptian J.Sol, Vol. 8, 1986
    79 - M.M.Ibrahim , S.M.El-Halawany, M.M.Hafiz and M.N.Abdel-Rahim, Thermoelectric power of Bix Ge20 Se80-x Alloys, Bull.Fac.Sci.Assiut Univ , Vol. 14, pp. 13 – 25, 1985
    80 - M.M.Hafiz, H.M.Shafey,A.M.Hafiz and M.Dongol, Irradiation induced photodarkening in As.Se.Cu amorphous films, Phys.Stat. Sol.(a), Vol. 78, No. 2, pp. 1483-1494, January, 1983
    81 - M.M.Hafiz and M.Dongol, Properties of modified glasses, Bull.Sci and Technol.,Asswan , 1983
    82 - M.M.Hafiz and M.Dongol, Switching in high Cu content glasses, Bull.Sci and Technol.,Asswan, 1983
    83 - M.M.Hafiz and N.Afify, Electrode effects on the electrical properties of chalcogenide films, J.Non-Crystalline Solids, Vol. 57, No. 3, pp. 431-441 , September, 1983
    84 - M.M.Hafiz,M.M.Ibrahim,M.Dongol and F.H.Hammad, Effect of composition on the structure and electrical properties of As.Se.Cu glasses, J.Appl.Phys, Vol. 54, 1983
    85 - M. M. Hafiz, H. M. Shafey, A. M. Hafez and M. Dongol, Irradiation-induced photodarkening in As[BOND]Se[BOND]Cu amorphous films, physica status solidi (a), Vol. 78, (2), pp. 449–455, 1983
    86 - M.M.Hafiz,M.M.Ibrahim and A.S.Ahmed, Conduction and switching in InxSe1-x, Phys.Stat.Sol.(a, Vol. 71, No. 1, pp. 259 - 263, 1982
    87 - M.M.Hafiz and M.M.Ibrahim, Thermally induced crystallization inGe20S75In5 amorphous semiconductor, Bull.Fac.Sci.Assiut Univ, Vol. 11, pp. 1 - 12, 1982
    88 - محمد محمود حافظ, دعوة لأعادة شعبة الفيزياء التطبيقية فى الجامعات المصرية, أعمال المؤتمر العربى لتطوير تعليم الفيزياء بالجامعات المصرية ، أكاديمية البحث العلمى والتكنولوجيا ، القاهرة , December, 1982
    89 - محمد محمود حافظ, تعديل بعض مناهج الفيزياء لأعداد أنسب الخريجين من كليات الجامعة, أعمال المؤتمر العربى لتطوير تعليم الفيزياء بالجامعات المصرية ، أكاديمية البحث العلمى والتكنولوجيا ، القاهرة , December, 1982
    90 - M.M.Hafiz, Electrical properties and photovoltaic measurements of InxSe1-xfilms, E.J.Solids , Vol. 3, pp. 256-, 1981
    91 - M.M.Ibrahim , M.M.Hafiz and N.Z.Mohamed, Factors affecting the thermoelectric power of sintered Se powder compacts, E.J.Solids, Vol. 3, pp. 152-, 1981
    92 - M.M.Ibrahim and,M.M.Hafiz, The sintering of CdS powder, E.J.Solids, Vol. 3, pp. 18-, 1981
    93 - M.M.Ibrahim,M.M.Hafiz and N.Z.Mahmoud, Anisotropic conduction and role of impurities of Se powder compacts, Bull.Fac.Sci. Assiut Uni, Vol. 10, pp. 159-, 1981
    94 - M.M.Hafiz,M.M.Ibrahim and A.S.Ahmed, Resistivity and seebeck coefficient for InSe alloys, Bull.Fac.Sci.Assiut Uni, Vol. 10, pp. 143-, 1981
    95 - M.M.Ibrahim,M.M.Hafiz and N.Z.Mahmoud, Role of impurities on sintering of Se powder compacts, Bull.Fac.Sci.Assiut Uni, Vol. 10, pp. 123-, 1981
    96 - M.M.Hafiz ,A.A.Ammar and F.H.Hammad, Observations of thermally induced transformations in amorphous chalcogenide films using transmission electron microscopy, Thin Solid Films , Vol. 60, No. 3, pp. 371-376 , 1979
    97 - M.M.Hafiz,M.M.Ibrahim and M.K.Ramadan, Structure and electrical properties of Ge.Te.Se films, Bull.Fac.Sci.Assiut Uni, Vol. 6, pp. 143 - 158, 1977
    98 - M.M.Hafiz, N.Hoshimiya and P.A.Tove, Photo-conduction and activation on R.F.Sputtered CdS films, Bull.Fac.Sci.Assiut Uni, Vol. 6, pp. 127 - 142, 1977
    99 - M.M.Hafiz,E.Mgbenut,P.A.Tove,H.Norde and S.Petresson, Investigation of metal contacts to amorphous evaporated Ge films, J.Vac.Sci.Technol, Vol. 27, No. 3, pp. 193-195 , 1976
    100 - M.M.Hafiz,E.Mgbenut,P.A.Tove,H.Norde and S.Petresson, Investigation of metal contacts to sputtered Si films, Teknikum Institute of Technology ,Uppsala Uni.Sweden., Vol. 76, No. 16, February, 1976
    101 - M.M.Ibrahim, M.M.Hafiz and E.K.Shokr, Sintering of TiO2-BaCO3 compacts in terms of weight changes, Bull.Fac.Sci.Assiut Uni, Vol. 5, pp. 155-, 1976
    102 - M.M.Ibrahim,M.M.Hafiz and E.K.Shokr, The allied changes in dielectric constant of TiO2-BaCO3 mixture powder compacts due to sintering, Bull.Fac.Sci.Assiut Uni, Vol. 5, pp. 141-, 1976
    103 - M.M.Ibrahim,M.M.Hafiz and E.K.Shokr, Sintering of TiO2-BaCO3 mixture powder compacts in terms of longitudinal shrinkage and densification, Bull.Fac.Sci.Assiut Uni, Vol. 5, pp. 121-, 1976
    104 - M.M.Hafiz , M.M.Ibrahim and M.K.Ramadan, Electrical properties of Ge.Te.Se chalcogenide glass, Bull.Fac.Sci. Assiut Univ, Vol. 5, pp. 175 - 186, 1976

    Supervisions :

    1- Ahmed Mohamed Ahmed Abdel-Razek, Structural Optical and Electrical Properties of Ge- Se- in Chalcogenide Glasses enus , M. Sc, 25 June 2006
    Supervisors : Mohamed Mahmoud Hafiz Mohamed, Mustafa Abdul Naeem Abdul-Rahim, Mahmoud Mohammed
    2- Ahmed Tamer / Mu'tasim Jalal Mohamed'Asqallaani, Study of Some Physical Properties of Ge-Se-Bi Chalcogenide Glassy Thin Films, M. Sc, 31 May 2005
    Supervisors : Mohamed Mahmoud Hafiz, Mahmoud Mohammed Elnahas , Ali Abdel-Hamid Osman
    3- Ahmed Salem Mohamed Soleiman , “Characteriation of Properties of Chalcogenide Cu in Se Thin Films” , M. Sc, 25 July 1999
    Supervisors : Mohamed Mahmoud Hafiz, Abdel Rahim Hassan Moharam, Ibrahim Mohamed Almkaoy
    4- Abdel-Hamid Abu Aladb Darwish Ali, Electronic Conduction in Chalcogenide thin Films Based on Tellurides of Arsenic, Ph. D., 21 April 1996
    Supervisors : Mohamed Mahmoud Hafiz, Mustafa Abdel Naeem Abdel Rahim, Abdel Rahim Hassan Moharam
    5- Abdulla Saeed Ashour , Studies on Structural , Optical and Electrical Properties of Cu-Se and Ag-Te Chalcogenide Systems, Ph. D., 22 July 2007
    Supervisors : Mohammed Mohmoud Hafiz, Abd El-Aziz Abul-Fadl Abd El-Aziz, Mostafa Mohammed El-Wakkad
    6- Abd El-Wahab Baggash Kasem Ali, Optical and Electrical Characterization of Zinc Chalcogenide Thin Films , D. Sc., 24 April 2012
    Supervisors : Mohammed Mahmoud Hafiz, Mostafa Abd El-Naeem Abd EL-Rahim, Farid Mohammed Abd EL-Rahim.
    7- Mehdi Ahmed Mohammed Dabban, Preparation and characterization of Cd-Se-X Film Alloys, Ph. D., 7 July 2013
    Supervisors : Mohammed Mahmmoud Hafiz, Atta Yousef Abd El-Latief, Hicham El-Din Mahfouz Kotb
    Number of courses0 course