People

Selma Amara

Postdoctoral Fellows

Postdoctoral Fellow​​

Research Interests

Her's project will extend the understanding of the spin dependent thermal and electrical transport in MTJs, and demonstrate that thermoelectric power can be used as a characterization of the heating/cooling dynamics in MTJs.

Selected Publications

1. Strelkov, N., A. Vedyaev, D. Gusakova, L.D. Buda-Prejbeanu, S. Amara, M. Chshiev and B. Dieny. Finite element modelling of charge and spin currents in magnetoresistive pillars with current crowding effects. IEEE Magnetics Letters 1 (2010) 3500204. 

2. Strelkov, N., A. Vedyaev, N. Ryzhanova, D. Gusakova, L.D. Buda-Prejbeanu, M. Chshiev, S. Amara, N. de Mestier, C. Baraduc and B. Dieny, Spin current vortices in current-perpendicular to-plane nanoconstricted spin valves. Physical Review B 84 (2011) 024416. 

3. S. Amara-Dababi, R.C. Sousa, M. Chshiev, H. Béa, J. Alvarez-Hérault, I.L. Prejbeanu, K. Mackay and B. Dieny , Charge trapping-detrapping mechanism of barrier breakdown in MgO magnetic tunnel junctions, Applied Physics Letters 99 (2011) 083501.

4. S. Amara-Dababi, H.Béa, R.C.Sousa and B.Dieny, Modelling of time-dependent dielectric barrier breakdown mechanisms in MgO-based magnetic tunnel junctions. J. Phys. D: Appl. Phys. 45 295002 (2012). 

5. S. Amara-Dababi, H.Béa, R.C. Sousa, C.Baraduc and B.Dieny, Correlation between write endurance and electrical 1/f noise in MgO based magnetic tunnel junctions for MRAM cells. Applied Physics Letters 102, 052404 (2013). 

6. S. Amara-Dababi, H.Béa, R.C. Sousa, C.Baraduc and B.Dieny, Barrier Breakdown mechanisms in MgObased Magnetic Tunnel Junctions under pulsed conditions and correlation with low-frequency Noise. Journal of Nanophotonics JNP 12076SSP (2013). 7. Amara-Dababi S et al, Breakdown mechanisms in MgO based magnetic tunnel junctions and correlation with low frequency noise. Microelectron Reliab (2013). http://dx.doi.org/10.1016/j.microrel.2013.07.034.​

Education

  • 2010-2013 Ph.D. Thesis in Micro and Nano Electronics at Joseph Fourrier University in Grenoble within the SPINTEC laboratory (INAC, CEA Grenoble center) obtained with the Highest distinction (mention Très bien).

  • 2008-2009 Master degree in Nanoelectronics devices Research obtained from the MINELEC (Matériaux Microélectronique Nanosciences de Provence) Institute with the Highest distinction (mention Bien), Marseille, France.

  • 2005-2007 B.S. Physics, Specialty: Nano-sciences and microtechnologies as part of my training of Physics superior teacher certification (Agrégation Physique) obtained from TEMPUS-MEDA Franco-Tunisian Project cooperation between ENS Cachan (Ècole Normale Supèrieure, Paris) and IPEST (Institut Préparatoire aux Études Scientifiques et Techniques), La Marsa, Tunisi