عودة

 

الأستاذ الدكتور/ عبدالعزيز أبوالفضل عبدالعزيز
أستاذ بقسم الفيزياء، كلية العلوم، جامعة اسيوط
تفاصيل السيرة الذاتية

بيانات ال MIS

دخول الإعضاء

تواصل مع العضو نسخة للطباعة
تليفون المكتب 088-2412308
الموبايل 01000839655
تليفون المنزل 088-2329441
البريد الالكترونى abdelaziz.abdelaziz@science.au.edu.eg
abulfadla@yahoo.com
google scholar link https://scholar.google.com.eg/citations?user=o_YzTRwAAAAJ&hl=en

  • دكتوراه فى الفيزياء، كلية العلوم، جامعة أسيوط، 1985
  • ماجستير فى الفيزياء، كلية العلوم، جامعة أسيوط، 1981
  • بكالوريوس فى الفيزياء، كلية العلوم، جامعة أسيوط، 1975
الدرجات العلمية :
  • أستاذ بقسم الفيزياء، كلية العلوم، جامعة اسيوط، 1999
  • أستاذ مساعد بقسم الفيزياء، كلية العلوم، جامعة اسيوط، 1991
  • مدرس بقسم الفيزياء، كلية العلوم، جامعة اسيوط، 1986
  • مدرس مساعد بقسم الفيزياء، كلية العلوم، جامعة اسيوط، 1981
  • معيد بقسم الفيزياء، كلية العلوم، جامعة اسيوط، 1975

المجالات البحثية:
Calorimetric studies , crystallization process , Mechanical characteristics , zinc chloride crystals , chalcogenide glasses

الابحاث :

1-A. Abu El-Fadl, A. M. Nashaat , Growth, structural, and spectral characterizations of potassium and ammonium zinc sulfate hydrate single crystals, Applied Physics A Materials Science & Processing , Springer International Publishing AG. Part of Springer Nature. , 123, 5, 1-11, 2017
2- A.Abu El-Fadl, M. Almokhtar, A. M. Nashaat , Optical Characterization of (TMA)2ZnCl4 Single Crystals in the Normal Phase, Open Journal of Applied Sciences , 5, 169-181, 2015
3-A. Abu El-Fadl and A. M. Nashaat, Crystalization, Spectroscopic and Optical Investigation of Potassium Hydrogenselenate (KHSeO4) Single Crystals, International Journal of Engineering Research & Technology (IJERT), 4(7), 668-674, 2015
4-A. Abu El-Fadl and A. M. Nashaat, Optical Constants of KDPTGS Single Crystals, International Journal of Enhanced Research in Science Technology & Engineering, 4(6), 86-98, 2015
5-A. Abu El-Fadl∗ and A.M. Nashaat, Gamma-ray irradiation effects on the optical properties of KHSeO4 single crystals, Radiation Effects & Defects in Solids, 150(11), 863-875, 2015
6-A. Abu El-Fadl and A. M. Nashaat , Crystal Growth and Physical Properties of KDP Admixtured TGS Single Crystals, Archives of Physics Research, 5 (6), 19-28, 2014
7-A. Abu EL-Fadl and A.M. Abdulwahab , Thermal Analysis of Li[Kx(NH4)1-x]SO4 Mixed Crystals, Chinese Journal of Physics, 15(1), 2013
8-A.Abu EL-Fadl and A.M. Abdulwahab , The effect of cobalt-doping on some of the optical properties of glycine zinc sulfate (GZS) single crystal, Physica B: Condensed Matter, 405(16), 3421-3426, 2010
9-A. Abu El-Fadl, A.S. Soltan, M.A. Hefni, N.M. Shaalan, Mechanical characteristics of solution grown potassium zinc chloride crystals doped with lithium ions, Current Applied Physics, Vol. 8, PP. 167–176, 2008
10-A. Abu El-Fadl, A.S. Soltan, M.A. Hefni, N.M. Shaalan, Temperature dependence of the optical parameters for potassium zinc chloride crystals doped with lithium ions, Optical Materials , Vol. 30, PP. 1576–1582, 2008
11-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
12-Abu El-Fadl , A.;Soltan,A.S.; Hefni, M.A; Shaalan, N.M. , Effect of X-ray Irradiation on indentation Size Effect behaviour and formation of Cracks for Potassium Zinc Chloride Crystals Doped with Lithium ions, International Conference for Nuclear Science and Application; Sharm Al Sheikh, The Egyptian Society of Nuclear Science and Applications (ESNSA), Vol. 39, No. 49, 1239, 2008
13-A. Abu El-Fadl, E. M. El-Maghraby and T. Yamazaki. , Optical investigation on the existence of phase transition in ZnO:Li thin films prepared by DC sputtering method, Cryst. Res. Technol. , 43(3), 302-307, 2008
14-M. A. Gaffar, A. Abu El-Fadl and S. Bin Anooz, Doping-induced-effects on conduction mechanisms in incommensurate ammonium zinc chloride crystals, Cryst. Res. Technol, Vol. 42, No. 6 , pp.569-577, 2007
15-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 , 2007
16-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 , 2007
17-A. H. Moharram, A. Abu El-Fadl, M. Rashad, Photo-induced absorption change in thermally evaporated Arsenic Selenides films, The First Conference of Young Scientists Basic Science & Technology (Assiut University, Egypt 5-6 May 2007), 2007
18-A. H. Moharram, A. Abu El-Fadl, M. Rashad, Photo-induced absorption changes in thermally evaporated Arsenic Selenides films, 2007 Japan-China-Asturalia Cooperative Symposium on Material Science and Nanotechnology, Faculty of Engineering, university of Toyama, Japan 14-17th Nov. 2007, 2007
19-A. Abu El-Fadl, A. S. Soltan, and N. M. Shaalan, Influence of x-irradiation on indentation size effect and formation of cracks for [Ky(NH4)1-y]2ZnCl4 mixed crystals, Cryst. Res. Technol. , Wiley interscience, 42 - No. 4, 364 – 377, http://onlinelibrary.wiley.com/doi/10.1002/crat.200610830/abstract, 2007
20-A. Abu El-Fadl, A.S. Soltan, N.M. Shaalan, Temperature dependence of the indirect band gap, steepness parameter and related optical constants of [Kx(NH4)1x]2ZnCl4 mixed crystals, Optics & Laser Technology , Elsevier, 39 , 1310–1318, www.elsevier.com/locate/optlastec, 2007
21-A.Abu El-Fadl, A.S. Soltan, A.A. Abu-Sehly, Effect of gamma doses on the optical parameters of Se76Te15Sb9 thin films, Journl of physics and Chemistry of Solids , Science Direct, 68, 1415-1421, 2007
22-M. A. Gaffar, A. M. Abousehly, A. Abu El-Fadl and M. M. Mostafa, Dielectric constant, loss factor and ac conductivity of Ni2+-doped K2ZnCl4 crystals in the ferroelectric-commensurate, incommensurate and normal phases, Cryst. Res. Technol, Vol. 41, No .11 , pp. 1120-1130, 2006
23-M. A. Gaffar, A. Abu El-Fadl and S. Bin Anooz, Effects induced by chemical non-stoichiometry and -irradiation on the habit and unit cell parameters of ammonium tetrachlorozinczate, Cryst. Res. Technol, Vol. 41, No. 4, pp. 379-387, 2006
24-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, 2006
25-A. Abu El-Fadl, A. S. Soltan, and N. M. Shaalan, Influence of cationic substitution on lattice constants and optical characterization in solution grown mixed crystals of potassiumammonium zinc chloride, Cryst. Res. Technol, Wiley interscience, 41- No. 10, 1013 – 1019, http://onlinelibrary.wiley.com/doi/10.1002/crat.200610713/abstract, 2006
26-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
27- 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, 2006
28-A. Abu El-Fadel, A. M. Abousehly, and A.S.Ahmed , Radiation-Induced Effects on the Optical Band Gap of TGSP Single Crystals , 8th Radiation Physics Conference,13-15 November 2006, Beni Suef University, Beni Suef, Egypt. Published in Arab Journal of Nuclear Sciences and Applications, . , 495-468, 2006
29- A .Abu El-Fadel, A. M. Abousehly, and A.S.Ahmed , X-ray Radiation-Induced Effects on Ferroelectric Triglycine Sulfate Crystals Doped with Phosphoric Acid, 8th Radiation Physics Conference, 13-15 November 2006, Beni Suef University, Beni Suef, Egypt. Published in Arab Journal of Nuclear Sciences and Applications, 479-491, 2006
30-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
31- 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
32-A.Abu El-Fadl and Saud Bin Anooz , Optical Properties of Pure and Metal Ions Doped Ammonium Sulfate Single Crystals, Cryst. Res. Technol., 41(5), 487 – 493, 2006
33-M. A. Gaffar, A. M. Abousehly, A. Abu El-Fadl and M. M. Mostafa, Bulk and Electrode-Limited Conduction Mechanisms in Different Phases of Mn2+-doped Potassium Tetrachlorozincate Crystal, Phys. D: Appl. Phys, Institute of Physics, Bristol, ROYAUME-UNI (1970) (Revue), vol. 38, No. 4, pp. 577-583, 2005
34-M. A. Gaffar, A. M. Abousehly, A. Abu El-Fadl and M. M. Mostafa, Mn2+-doping-Induced-Effects on Commensuration and Incommensuration of Potassium Zinc Chloride Crystal, Phase Transitions, Vol. 78, No. 4, pp. 295-315, 2005
35-M. A. Gaffar, A. Abu El-Fadl and S. Bin Anooz, Influence of Sr2+ Doping, Temperature and Frequency on Dielectric Constant, Dielectric Loss Factor and AC Conductivity of Ammonium Zinc Chloride Crystal, Japanese Journal of Applied Physics, Vol. 44, No. 4A, pp. 1883-1891, 2005
36-A. Abu EL-Fadl, Galal A. Mohamed, A. B. Abd El-Moiez, and M. Rashad , Optical constants of ZnO films prepared by chemical bath deposition technique. , J. Appl. Physics Physica B 366 (2005) 44-54, 2005
37-A. Abu EL-Fadl, Galal A. Mohamed, A. B. Abd El-Moiez, and M. Rashad , Electrical Properties of ZnO films prepared by chemical bath deposition technique., J. Appl. Physics Physica B 370 (2005) 158–167, 2005
38-M. A. Gaffar, A. Abu El-Fadl and S. Bin Anooz, The non-isotropic character of electric and dielectric properties of ammonium zinc chloride crystal, Phys. Chem. Solids , Vol.65, No.1, pp. 957-964, 2004
39-M. A. Gaffar, A. Abu El-Fadl, A. M. Abousehly and M. M. Mostafa, Doping and irradiation effects on the optical band gap of potassium tetrachlorozincate single crystals, Radiation effects and defects in solids , Vol. 159, No. 1, pp. 25-35, 2004
40-M. A. Gaffar, A. Abu El-Fadl and S. Bin Anooz, Mechanism of the dc conduction in undoped and Sr2+ doped ammonium zinc chloride crystal, Solid State Communi, Vol. 129, No. 12, pp. 797-802 , 2004
41-M. A. Gaffar, A. Abu El-Fadl and S. Bin Anooz, Mn2+-doping Effects on Commensuration and Incommensuration of Ammonium Zinc Chloride, Ferroelectrics, Vol. 313, No. 1, pp. 113-128, 2004
42-M. A. Gaffar, A. Abu El-Fadl and S. Bin Anooz, Growth and Characterization of Undoped, Sr2+-, and Mn2+-doped Ammonium tetrachlorozincate, Cryst. Res. Technol , Vol. 40, No. 3, pp. 204-211, 2004
43-A. Abu EL-Fadl, E. M. El-Maghraby and G. A. Mohamed , Influence of gamma radiation on the absorption spectra and optical energy gap of Li-doped ZnO thin films, Cryst. Res. Technol. , 39(2), 143-150, 2004
44-M. A. Gaffar, A. Abu El-Fadl and S. Bin Anooz, Effects induced by -irradiation on intraband transitions in Sr2+-doped ammonium zinc chloride crystals, Radiation effects and defects in solids , Taylor and Francis, Reading, ROYAUME-UNI (1989) (Revue), vol. 158, No. 11-12, pp. 743-755 , 2003
45-M. A. Gaffar, A. Abu El-Fadl and S. Bin Anooz, Influence of strontium doping on the indirect band gap and optical constants of ammonium zinc chloride crystals, Physica B, Vol. 327, No. 1, pp. 43-54 , 2003
46-M. A. Gaffar, A. Abu El-Fadl and S. Bin Anooz, Temperature dependence of the indirect band gap and related optical parameters of (NH4)2ZnCl4:xSr2+ single crystals, Physica Status Solidi (B), Applied Research, Vol. 240, No.1 , pp. 246-254, 2003
47-M. A. Gaffar, A. Abu El-Fadl and S. Bin Anooz, Electron irradiation-induced effects on optical spectra of (NH4)2ZnCl4:xSr2+ single crystals, Cryst. Res. Technol, Vol. 38, No.1 , pp. 83-93, 2003
48-M. A. Gaffar, A. Abu El-Fadl and S. Bin Anooz, Optical absorption spectra and related parameters of ammonium zinc chloride in the antiferroelectric and commensurate phases, Cryst. Res. Technol, Vol. 38, No.9 , pp. 798-810, 2003
49-R. M. Mahfouz, M. A. Gaffar, A. Abu El-Fadl and Abdel-Reda G. K. Hamad, y-irradiation Effects on the Thermal Decomposition Behaviour and IR Absorption Spectra of Piperacillin, Radiation effects and defects in solids , Taylor and Francis Ltd, Vol 158, No 11-12, pp. 827-832, 2003
50-A.Abu El-Fadl, G. A. Mohamad and M. Abd El-Sttar , An Investigation on the Effect of γ-irradiation on the Optical Absorption Spectra in Cu(II) Doped Ammonium Tetrachlorozincate (ATZC) Single Crystals, 6th Radiation Physics Conference, Assiut University, Assiut, Egypt. Published in Arab Journal of Nuclear Sciences and Applications. , 36, 2003
51-A.Abu El-Fadl, G. A. Mohamad and M. Abd El-Sttar , Doping of irradiation Effects on the Optical Band Gap of Doped Ammonium Tetrachlorozincate (ATZC) Single Crystals, 6th Radiation Physics Conference, Assiut University, Assiut, Egypt.Published in Arab Journal of Nuclear Sciences and Applications. , 36, 2003
52- A. Abu El-Fadl,, M. A. Hefni and H. A. Khater , Changes in the Optical Parameters of Potassium Tetrachlorozincate (KTZC)Single Crystals Under Doping and Irradiation Conditions, 6th Radiation Physics Conference, Assiut University, Assiut, Egypt. Published in Arab Journal of Nuclear Sciences and Applications., 36, 851-859, 2003
53-A.Abu El-Fadl,, M. A. Hefni and H. A. Khater , Gamma-Irradiation Induced Effect On Some Of The Optical Parameters Of KTZC Pure Crystals , 6th Radiation Physics Conference, Assiut University, Assiut, Egypt.Published in Arab Journal of Nuclear Sciences and Applications., 36, 707-713, 2003
54-A. Abu El-Fadl, Galal A. Mohamad and Toshinari Yamazaki , Variation of the Absorption Spectra and Optical Energy Gap with -Ray Irradiation and Heat Treatment in SbNbO4 Films Deposited on MgO and Quartz Substrates, J. Materials Chemistry and Physics, 80, 239-249, 2003
55- A. Abu El-Fadl, A. El-Korashy and H. El-Zahid , Electrical Investigations in the Normal and Incommensurate Phases of [N(CH3)4]2ZnCl4 Single Crystals, J. of the Physics and Chemistry of Solids; 63, pp. 375-381 (2002). , 63, 375-381, 2002
56- G.A. Mohamad, A. Abu El-Fadl and T. Yamazaki , Effect of Gamma Irradiation and Heat Treatment on the Optical Properties of SbNbO4 Ferroelectric Thin Films, J. Radiation effects & Defects in Solids, 154, 165-178, 2001
57- A. El-Korashy, A. Abu El-Fadl and H. El-Zahid , Optical Studies of K2ZnCl4 Single Crystals Doped with Cs2+ Ions in the Ferroelectric Phase , Physica B:Condensed Matter , 304, 437, 2001
58-Galal A. Mohamed, El-Maghraby Mohamed and A. Abu EL-Fadl , Optical properties and surface morphology of Li-doped ZnO thin films deposited on different substrates by d c magnetron sputtering method, Physica B: Condensed Matter, , 949, 308-310., 2001
59-M. A. Gaffar and A. Abu El-Fadl, Indirect Band Gap and Optical Parameters of Pure and Doped Potassium Ferrocyanide Single Crystals, Physica B (condensed matter) , Vol. 292, pp. 221-232, 2000
60-M. A. Gaffar and A. Abu El-Fadl, Structural, electrical, dielectric and optical investigations of lithium iodate single crystals, Phys. Chem. Solids 60 , pp. 1633-1643, 1999
61-M. A. Gaffar and A. Abu El-Fadl, Electric, dielectric and optical studies of the lower phase transition of lithium ammonium sulphate single crystals, Physica B (condensed matter) , Elsevier, Amsterdam, PAYS-BAS (1988) (Revue, pp.159-169, 1999
62-M. A. Gaffar and A. Abu El-Fadl, Effect of doping and irradiation on optical parameters of triglycine sulphate single crystals, Cryst. Res. Technol, vol. 60, pp. 915-923, 1999
63- A. Abu El-Fadl , Temperature Dependence of the Absorption Spectra and Optical Parameters in TGS and Cu2+-Doped TGS Crystals, Crystal Research & Technology , 34, 1047-1054, 1999
64- A. Abu El-Fadl , Optical Properties of TGS Crystals Doped with Metal Ions in the Vicinity of Phase Transition, Physica B , 269, 60-68, 1999
65-A. Abu El-Fadl , M. A. Gaffar and M. H. Omar , Electrical Conductivity and Pyroelectricity of Lithium Potassium Sulphate Single Crystals in the Temperature Range 300-950 K, Physica B, 269, 395-402, 1999
66- A. Abu El-Fadl , M. A. Gaffar and M. H. Omar , Absorption Spectra and Optical Parameters of Lithium-Potassium Sulphate Single Crystals, Physica B , 269, 403-408, 1999
67- A.El-Korashy and A. Abu El-Fadl , Temperature Dependence of the Optical Band Gap of Nearly Perfect K2ZnCl4 Single Crystals in the Ferroelectric Phase, Physica B , 271, 205-211, 1999
68- A. Abu El-Fadl , Electrical Properties of K2ZnCl4 Crystals Pure and Doped with Co2+ Ions Between 300 and 500 K, Eur. Phys. J. AP; 6, pp. 257-262 , 6, 257-262, 1999
69- A. Abu El-Fadl , Effect of Divalent Ions Doping on the Absorption Spectra and Optical Parameters of TGS Crystals, J. of the Physics and Chemistry of Solids; , 60, 1881-1893, 1999
70- A. Abu El-Fadl , Electrical and Optical Investigations of Rb2ZnCl4 Crystals in the Vicinity of the Incommensurate Phase, Eur. Phys. J. AP, 4, 5-9, 1998
71- A.A. Othman, A. Abu El-Fadl and K.I. Aly , DC Electrical Properties of New Unsaturated Polyesters of Diarylidenecyclohexanone, Egyption Journal of Solids, 21, 229-239, 1998
72-M. A. Gaffar, A. Abu El-Fadl and Galal A. Mohamed, Specific Heat and Electrical Resistivity of Pure and Doped Lithium- Ammonium Sulphate Single Crystals, Physica B, Vol. 205, pp. 274-284 , 1996
73-M. A. Gaffar, Galal A. Mohamed, A. Abu El-Fadl and A. M. Mebed, Thermal Properties of Pure and Doped Lithium-Ammonium Sulphate Single Crystals, Physica B: Condensed Matter, Vol. 205, pp. 224-230 , 1995
74-M. A. Gaffar, Galal A. Mohamed, A. Abu El-Fadl and S. Abd El-Wahab, Mechanism for Growing Pure and Doped Ammonium Dihydrogen Phosphate Single Crystals, Bull. Fac. Sci, ASSIUT UNIV, Vol. 24, No.(l-A), pp. 11-19 , 1995
75-M A. Gaffar, A. Abu El-Fadl, Galal A. Mohamed and S. Abd El-Wahab, Investigation of the High Temperature Phase Transition for Pure and Doped Ammonium Dihydrogen Phosphate Single Crystals, Bull. Fac. Sci., ASSIUT UNIV, Vol. 24, No. (l-A), pp. 21-32 , 1995
76-M. A. Gaffar and A. Abu El-Fadl, Electrical Resistivity of Single-Crystal Lithium Ammonium Sulphate Between 300 and 500 K, Materials Science, Springer Netherlands, Vol. 30, No. 24, pp.6205-6208 , 1995
77- A. Abu El-Fadl , Galal A. Mohamed, A. S.Soltan and A. A. Othman , Growth and Optical Properties of Betaine Calcium Choloride Dihydrate Single Crystals., Bull. Fac. Sci., Assiut Univ., 24(1-A), 173-188, 1995
78-M. A. Gaffer, G. A. Mohamed, A. Abu El-Fadl, and A. M. Mebed , Thermal Properties of Pure and Doped Lithium - Ammonium Sulphate Single Crystals, Physica B, Cond. Matt., 205(2), 224 - 230, 1995
79- D. Kraft , R. Cacciapaglia, V. Bohmer , A. Abu El-Fadl , S. Harkema, L. Mandolini, D. N. Reinhoudt, W. Verboon and W. Vogt , New Crown Ether- Like Macrocycles Containing a Nitrophenol Unit. Synthesis and Metal Ion Effects on Reactivity of Their Acetates in Transacylation Reactions, J. Organic. Chem., 5, 826-834, 1992
80-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 , 1991
81- H. Weenen , M .H. H. Nkunya , A. Abu El-Fadl , S. Harkema and B. Zwanenburg. , Lucidene, a Bis (benzopyrranyl) Sesquiterpene from Uvaria Lucida SSP. Lucida., J. Organic Chem., 55, 5107-5109, 1990
82- E. Ghidini, F. Ugozzoli, R. Ungaro, S. Harkema, A. Abu El-Fadl and D. N. Reinhoudt. , Complexation of Alkali Metal Cations by Conformationally Rigid tereoisomeric Calix [4] arene Crown Ethers : A Quantitative Evaluation of Prediganization , J. Am. Chem Soc., 112, 6979-6985 , 1990
83-M. A. Gaffar, A. Abu El-Fadl and S. A. Mansour, FerroeIectric Behaviour of Triglycine Sulphate Crystals Containing Different Low Concentration of Metal Ions near the Transition Temperature, Physics D: Applied Physics, Vol. 22, 1989
84-M. A. Gaffar, G. F. Al-Noaimi and A. Abu El-Fadl, Critical Behaviour of Dielectric Permittivity and Spontaneous Polarization of Triglycine Sulphate Single Crystals Doped with Organic Molecules, the Physical Society of Japan, Vol. 58, No. 9, pp. 3392-3400 , http://jpsj.ipap.jp/link?JPSJ/58/3392/, 1989
85- W. H N. Nijhuis, W. Verboom, A.Abu El-Fadl ,S. Harkema and D. N. Reinhoudt. , Sterochemical Aspects of the “tert- Amino Effect “. 1. Regioselectivity in the Synthesis of Pyrrolo [1,2-a] Quinolines and Benzo [c] Quinolizines., J. Organic Chem., 54, 199-209, 1989
86- W. H. N. Nijhuis, W. Verboom, A. Abu El-Fadl , G. J. Van Hummel , and D. N. Reinhoudt. , Sterochemical Aspects of the “tert- Amino Effect “. 2. Enantio-and Diasteroselectivity in the Synthesis of Quinolines Pyrrolo [1,2-a] Quinolines and [1,4] Oxazino [4,3-a] Quinolizines., J. Organic Chem., 54, 209-216, 1989
87- A. Abu El-Fadl , Structure of LiNH¬4SO4 in the low Temperature Phase ., Bull. Fac. Sci., Assiut Univ., 18(2-A), 25- 33, 1989
88-M. A. Gaffar, and A. Abu El-Fadl, Physical Properties of Triglycine Sulphate Single Crystals Containing Different Concentrations of Ni2+., Indian Journal of Pure and Applied Physics, Vol. 26, pp. 28-36 , 1988
89-M. A. Gaffar, A. Abu El-Fadl, D.C. Electrical Conductivity of Triglycine Sulphate Single Crystals Doped with Organic Molecules, Bull. Fac. Sci., ASSIUT UNIV, Vol. 17, No. (l-A),, pp 95-111 , 1988
90- A. Abu El-Fadl , G.j. Van Hummel and S. Harkema. , The Structure of Potassium Hydrogen Selenate., Bull. Fac. Sci., Assiut Univ., 17(1-A), 155-160, 1988
91-Mohamed A. Gaffar and Abel El Aziz A. F. Abd El Aziz, Growth of Pure and Doped Triglycine Sulphate Single Crystals, Arab. Gulf J. Scient. Res., Math. Phys. Sci, Vol. A5, No. 2, pp. 271-282 , 1987
92-Mohamed A. Gaffar, and Abd El Aziz A. F. Abd El Aziz, Dielectric Behaviour and Electrical Conduction for Pure and Doped Triglycine Sulphate Single Crystals, Arab. Gulf J. Scient. Res., Math. Phys. Sci. Presented In The XIIIth Cong. Inter. Union Crystallog., Hamburg F.R.G., C-153(1984)., Vol. A5, No. 3, pp. 433-453 , 1987
93-M. A. Gaffar, M. M. Mebed and A. Z. Abu El-Fadl, The Specific Heat of Pure and Doped Triglycine Sulphate Single Crystals, Phys. Stat. Sol. (a), Vol. 103, pp. 459-466 , 1987
94-M. A, Gaffar, M. M. Mebed and A. Abu El-Fadl, Thermal Diffusivity of Pure and Doped TGS Crystals, Phys. Stat. Sol. (a), Vol. 104, pp. 879-884 , 1987
95-M. A. Gaffar, A. Abu El-Fadl, Investigation of the pyroelectric and piezoelectric properties of triglycine sulphate single crystals containing organic molecules, Physics: Condensed Matter, Vol. 1, pp. 8991-8999 , 1987
96-M. A. Gaffar and A. Z. Abu El-Fadl, Conductivity in Doped Potassium Dihydrogen Phosphate Crystals, Bull. Fac. Sci, ASSIUT UNIV, Vol. 12, No. 2, pp. 41-53 , 1983
97-M. A. Gaffar and A. Z. Abu EI-Fadl, Electrical Conduction and High Temperature Phase Transition in Potassium Dihydrogen Phosphate Crystals, Bull. Fac. Sci., ASSIUT UNIV, Vol. 10, No. 2, pp. 181-200 , 1981
98- M. A.Gaffar ; S. M El-Hlwany ; U. H Gameel. and A. A. Abu El-Fadl , Growth of High Optical Quality Potassium Dihydrogen Phosphate Crystals for Electro-Optic and Non-Linear Applications., Bull. Fac. Sci. , Assiut Univ., 9(2), 103-115, 1980
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