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يسعدنى أن ارحب بزيارتكم وأجو أن تستفيدوا من محتويات الموقع فأهلا بكم.
أ.م.د/ مرتضى ابراهيم يوسف على، أستاذ مساعد بقسم: الفيزياء، بكلية: العلوم

أحدث أبحاثى
* Computational DFT Study of Gold Containing PVP/PEO/Gold Organometallic Polymer Nanocomposites
* Dielectric Relaxation Behaviour and AC Electrical Conductivity of Cellulose Acetate-Molybdenum Trioxide Nanoparticle Blended Film
* Electrical conductivity and breakdown properties of some erbium oxide doped phosphovanadate glasses

الأبحاث العلمية

Linear optical properties of (Cu2O)x (Al2O3)0.05x (B2O3)0.20 (PbO)0.75 glasses in the spectral range 200–3300 nm
Optical Materials 35 (2013) 2685–2690.
A. M. El-Naggar, S. Y. El-Zaiat, M. I. Youssif, F. A. Alsaud
On the correlation between order parameter, superconducting volume fraction and critical current density in R: 123 superconductors
Solid State Commun. (2006); 139, 126-131
A. Sedky, M. I. Youssif, S.M. Khalil, A. Sawalha
Correlation between superconducting volume fraction and critical current density in copper oxide superconducting systems
Physica C: Superconductivity (2004); 403, 297-303.
A. Sedky and M. I. Youssif
Chemical and Physical properties of Al1-xFexPO4 alloys, Part I. Thermal stability; magnetic properties and related electrical conductivity
Mater. Chem. Phys. (2004); 83, 250-254.
M. I. Youssif, F.Sh. Mohamed, M.S. Aziz
The effect of oxygen plasma generated by different microwave modes on NdBa2Cu3O7-δ superconductor: Structure and IR studies
J. Phys. Chem. Solid (2003); 64(8), 1405-1411.
L.Z. Ismail, M. I. Youssif, H. M. Abdel Moneim
D.C. Conduction Phenomenon of some Rhodanine Azo Complexes
in ICCRD’7, Seventh International Conference on “Chemistry and its Role in Development”, Mansoura & Sharm El-Sheikh, 14-17 April (2003).
M. I. Youssif and A. A. El-Bindary
Microwave plasma oxidation technique for HoBa2Cu3O7-x ceramic superconductor
Materials chemistry and physics,76 (1), 69-74 (2002);
L. Z. Ismail, M. I. Youssif, H. M. Abdel Moneim
Chemical and Physical properties of Al1-xFexPO4 system: Structure; Thermal stability; Magnetic and related DC-conductivity
in The XXIII Conference on solid state science & workshop on \_Physics and Application potential of Functional Ceramic Thin Films\_, Sharm El-Sheikh, Sinai, Egypt, 28 Sept.– 2 Oct. 2002.
M.S. Aziz M. I. Youssif, F.Sh. Mohamed
Effects of flux creep in bulk and single crystals of Bi2Sr2CaCu2O8+δ superconductor
Egypt. J. Sol. (2002); 25(2), 171-179.
Mortady I. Youssif
Low-field AC susceptibility study of critical current density in Eu: 123 and Bi: 2223 superconductors
J. Magn. & Mag. Matt. (2001); 237, 22-26.
A Sedky, MI Youssif
Ac-magnetic susceptibility technique for the characterization of High Temperature Superconductors
in Second International Spring School on _Current Activities of Materials Science_, Assiut University, 22-26 April, pp. 113-132 -2000,
A. A. Bahgat and I. A. Ali M. I. Youssif
Electrical and magnetic properties of coordinated polymers of Poly (ethylene glycol) allenyl methyl ether with iron chloride
in \_The Second International Conference on electrochemistry and its applications\_, South Valley University, 2-4 February (1999)
M.S. Aziz and M. I. Youssif Y.A. Aggour
AC-Susceptibility Technique for Characterization of High Temperature Superconductors
in The XXI Conference on \_Solid State Science & Workshop on New Silicon Technology in Optoelectronics\_, Mansoura University, 23-26 February -(1999)
A. A. Bahgat and I. A. Ali M. I. Youssif
57Fe Mössbauer Studies of T’-Compounds Sm2CuO4 and Eu2CuO4
American Physical Society, Cincinnati\_, Ohio, USA,Pages 18-22,(1999)
Glenn M Julian, M. I. Youssif, D. Suyanto, S. Jha, R.A. Dunlap and S-W Cheong
Set-Up and Calibration of a low temperature Ac-susceptometer for HTc-superconductors
Third International Scientific Conference\_, Faculty of Science, Al-Azhar University,Pages 22-25(1999)
A. A. Bahgat and I. A. Ali M. I. Youssif
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