Democratic and Popular Republic of Algeria
Mohamed Khider University-Biskra Faculty of Science and Engineering
Department of Physics
A thesis submitted in fulfilment of the requirements of the degree of Magister
Option : Physics of Semiconductor and Metallic Materials
by
Abdeslam Noura Amel
Jury members :
Belghachi A. President M.C.
Sengouga N. Reporter Pr.
Saidane A. Examiner Pr.
Mimoune S.M. Examiner M.C.
Dehimi L. Invited M.A.C.C.
C.U of Bechar
Biskra University
ENSET ORAN Biskra University
Biskra University
2003/2004