Physics | Dr. Arafa Sabry

Dr. Arafa Sabry Gomaa Hassen

Contact Information
Phone number: 084 6338462 - 084 6344264
Fax number: 084 6370025
E-mail Address : ash02@fayoum.edu.eg
Office : Faculty of Science Building - First Floor
Postal Address : Fayoum - Fayoum University - Faculty of Science - Physics Department - POBox: 63514

Academic Qualifications

B. Sc. : In Education and Science - Chemistry and Physics Department - Faculty of Education - Cairo University - Fayoum Branch - 1989

B. Sc. : In physics - Faculty of Science - Cairo University - 1993

M. Sc. : in Physics - Faculty of Science - Cairo University - 1996

Ph. D. : in Natural Science - Faculty of Mathematics and Physics - University of Augsburg - Germany -2003

Academic Positions

Demonstrator : From 1989 to 1996

Assistant Lecturer : from 1996 to1999

Lecturer : from 2004 to 2009

Assistant Professor : from 2009 until now

Research Interests

Polymer physics .

Superconducting materials such as rutheno-cuprates .

Magnetic properties of metal oxides such as manganites and cobaltates .

Dielectric properties of ferroelectric layered perovskite structure .

List of publications

The influence of physical ageing on the electrical and swelling behaviour of ternary rubber vulcanizates.
Authors: G. M. Nasser and A. S. Gomaa.
Journal: Polym. Degrad. Stabil., 50 (3), 249 (1995).

Determination of the crosslink density of conductive ternary rubber vulcanizates by solvent penetration.
Authors: M. Amin, G. M. Nasser and A. S. Gomaa .
Journal: Mater. Lett., 28 (1-3), 207 (1996).

Adsorption and velocity of ultrasonic waves in interlinked SBR Composite.
Authors : M. H. Youssef, G. M. Naser and A. S. Gomaa .
Journal : Polymer Testing, 19 (3), 311 (2000) .

Structural, transport and magnetic properties of pure and La doped RuSr2GdCu2O8.
Authors : P. Mandal, A. Hassen, J. Hemberger, A. Krimmel and A. Loidl .
Reference: Phys. Rev. B65, 144506 (2002).

Ferromagnetism and superconductivity in pure and doped RuSr2GdCu2O8.
Authors : Joachim Hemberger, Arafa Hassen, Alexander Krimmel, Probhat Mandal and Alois Loidl .
Reference : Physica B, 312, 805 (2002) .

“Transport and magnetic properties of Ru(Sr1-xLax)2RCu2O8 (R=Gd, Eu) superconductor ” .
Authors : A. Hassen, P. Mandal, , b, J. Hembergera, A. Krimmela, P. Choudhuryc, B. Ghoshb and A. Loidl .
Reference : Physica C, 398, 123 (2003).

Structural, transport and magnetic properties of the doped magnetic superconductor Ru-1212 .
Authors: A. Hassen, A. Krimmel, J. Hemberger, P. Mandal and A. Loidl .
Reference : Conference Proceeding AIP, 333 (2003).

) Structural, transport and magnetic properties of Ru1-xMxSr2GdCu2O8 (M= Ti and Rh for 0? x ?0.2).
Authors: A. Hassen, J. Hemberger, A. Loidl and A. Krimmel .
Reference : Physica C400, 71 (2003).

Doping the ferromagnetic high-Tc superconductor RuSr2RECu2O8 (RE=Gd, Eu) .
Authors : A. Hassen, A. Krimmel, J. Hemberger, A. Loidl and P. Mandal .
References : Recent Research Developments in Physics 5, 141-158 (2004) ISBN 81-7895-126-6 (Transworld Research Network Publishing)

Effect of Ce on the structural, magnetic and transport properties of SrMnO3 peroveskite .
Authors : P. Mandal, A. Hassenr and A. Loidl .
Reference : PRB 69, 224418 (2004).

Transport properties of Ti- and Rh- doped Ru-1212 ferromagnetic superconductor.
Authors : A. Hassen, K. Krimmel and A. Loidl .
Reference : The XXV international conference on solid state physics and material Science, (2005).

Study of the physical properties of Sm0.6Sr0.4MnO3.
Authors : C.Zybill, A.Hassen, M. Abdel-hafiez, S.Allam, G.Said, and Th.Elsherbini .
Reference: International conference in material Science, Alexandria, Egypt (2006).

Phase transition and electric properties of long chain Cd (II) layered peroveskites’.
Authors : M. F. Mostafa, A. Hassen .
Reference : Phase Transition, 79, 305 (2006).

Transport properties of doped RuSr2GdCu2O8 superconductor .
Authors : A. Hassen and P. Mandal.
Reference : Supercond. Sci Technol., 19 , 902 (2006).

Transport properties of metallic La1-xSrxCoO3 (0.3 ? x ? 0.5) Ferromagnet.
Authors : P. Mandal, A. Hassen and P. Choudhury .
Reference : J. Appl. Phys.100, 103912 (2006).

Correlation between structural, transport and magnetic properties in Sm1-xAxMnO3, (A = Sr and Ca) .
Authors : A. Hassen and P. Mandal.
Reference : J. Appl. Phys. 101, 113917 (2007).

Magnetic phase transition and variable range hopping conduction of Y1-xSrxCoO3-? .
Authors : A. I. Ali, A. Hassen, B. J. Kim, Y. S. Wu, Bog. G. Kim and S. P. Park .
Reference : J. Korean Phys. Soc. 51, 5, 1736 (2007).

Structural, magnetic and electric properties of Dy1-xSrxCoO3-? (0.65 ? x ? 0.90).
Authors : A. Hassen, A. I. Ali, B. J. Kim, Y. S. Wu, S. H. Park and Bog. G. Kim .
Reference : J. Appl. Phys. 102, 123905 (2007).

The influence of the tilt angle on the CMR in Sm0.6Sr0.4MnO3.
Authors : I. A. Abdel-Latif, A. Hassen, C. Zybill, M. Abdel- Hafiez, S. Allam and Th. El-Sherbini.
Reference : J. Alloys and Comp. 452, 245 (2008).

A comparative study between Pr1-xSrxMnO3 and Pr1-xCaxMnO3 at 0 x 0.30.
Authors : A. Hassen .
Reference : J. Korean Phys. Soc. 52, 1, 98 (2008).

Experimental setup for measuring thermopower of bulk samples .
Authors : Y. S. Wu , A. Hassen , B. H. Kim , Y. W. Park and Bog G. Kim .
References : to be published in Rev. Sci. Instru .

Irreversibility line of Ag-doped Hg-1234 cuprate Superconductor
Authors : M.F. Mostafa, A. Hassan, H. Kunkel and G. Williams .
References : to be published in Applied mathematics and information Sciences .