ELFAHEM SAKHER PhD IN MATERIAL PHYSICS Theme: Development and characterization of nanomaterials—shape memory by mechanical alloying. • University of Badji Mokhtar—Annaba, Algeria • Date of achievement: 26/07/2018 MASTER'S DEGREE IN PHYSICS Theme: Shape memory alloys: what is it? • University of Badji Mokhtar—Annaba, Algeria • Date of achievement: 13/07/2012 BACHELOR’S DEGREE IN PHYSICS Theme: Study of all the physical effects that occur at the P-N junction using the Boltzmann statistic for writing current in the junction. • University of Badji Mokhtar—Annaba, Algeria • Date of achievement: 25/07/2010 TECHNICIAN IN COMPUTER SCIENCE (COMPUTER OPERATOR) • Center of Vocational training and learning center of Bir Elater • Date of achievement: 09/05/2011