كلمة لزائرى الموقع

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
* Structural, optical and electrical studies of Toluidine Blue thin films prepared by thermal evaporation technique
* Linear And Nonlinear Optical Properties Of Irradiated Toluidine Blue Thin Films
* Effect of annealing and UV irradiation on structural and optical properties of 6-(3, 4 Dimethoxyphenyl)-1-methyl-3-oxo-2-phenyl-2, 3-dihydro1Hpyrazolo [4, 3-b]-5-carbonitrile thin films

الأبحاث العلمية

Structural, optical and electrical studies of Toluidine Blue thin films prepared by thermal evaporation technique
Journal of Luminescence Volume 204, December 2018, Pages 428-435
MA Nasher, MI Youssif, NA El-Ghamaz, HM Zeyada

Linear And Nonlinear Optical Properties Of Irradiated Toluidine Blue Thin Films
Optik Volume 178, February 2019, Pages 532-543
MA Nasher, MI Youssif, NA El-Ghamaz, HM Zeyada

Effect of annealing and UV irradiation on structural and optical properties of 6-(3, 4 Dimethoxyphenyl)-1-methyl-3-oxo-2-phenyl-2, 3-dihydro1Hpyrazolo [4, 3-b]-5-carbonitrile thin films
JournalOptical Materials,Volume 69,392-400,2017
HM Zeyada, NA El-Ghamaz, MI Youssif, Eman A Gaml

Spectral, structural, optical and dielectrical studies of UV irradiated Rose Bengal thin films prepared by spin coating technique
Physica B: Condensed Matter،Volume 506Pages 75-82،Publication date 2017/2/1
HM Zeyada, MI Youssif, NA El-Ghamaz, MEO Aboderbala

Structural and Fluctuation Induced Excess Conductivity in R:1113 Superconductors
Brazilian Journal of Physics (2016) 46:198-205.
A. Sedky & M. I. Youssif

Photoacoustic and Ac Impedance Measurements for ZnO Varistors with ZnO Nanoparticles Addition
Nature and Science (2016); 14(2): 66-73.
A. Sedky, M. I. Youssif, and T. A. El-Brolossy

Fabrication and Characterization of Superconducting Nano Layer by Pulsed Laser Deposition
Life Science Journal (2016); 13(5): 8-20.
Badr Y. A., M. I. Youssif, Tharwat El-Sherbini, and D. Hassan

The role of the annealing temperatures on the structure and optical properties of Rose Bengal thin films
International Journal of Scientific & Engineering Research, Volume 6, Issue 11, November (2015): 895- 902.
H. M. Zeyada, M. I. Youssif, N. A. El-Ghamaz, M. E. O. Aboderbala

Flux Pinning and Intergranular Critical Current Density Study in SmBa2Cu3-xFexO7 Superconductor
Journal of American Science (2015); 11(7): 42-48
M. I. Youssif and A. Sedky

Metallic Behavior for Normal State Resistivity of PrBa2-xRxCu3O7 Compounds
Journal of American Science (2015); 11(3s): 32-35.
A. Sedky and M. I. Youssif,

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

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