Larbi Ammor

Identifiants chercheurs

IdHAL :

larbi-ammor

IdRef :

031911293

Présentation

Condensed matter Physics

Magnetic and transport properties of oxides

CMR in perovskites

High Tc superconductivity

Experimental skills

Single crystal growth

Magnetic measurements (SQUID, VSM, MFM)

Transport measurements (Quantum Design PPMS, DC-AC Home made system)

Structural and chemical characterization (XRD, AFM, STM, SEM, EDX)

UHV technology, cryogenic fluids handling

Swift heavy ions irradiation (GANIL Caen, France)

Education

1987 Ph.D. in Solid State Physics « Influence and hydrogen passivation of

defects in the P-type polysilicon (extension to solar cells)»

Thesis adviser: Professor Santo Martinuzzi

1984 Thesis topic: « correlation between some electronic of polysilicon,

extended defects and the presence of carbon and oxygen

Thesis adviser: Professor Santo Martinuzzi

1982 postgraduate diploma in Materials Sciences (diplôme d’Etude

Approfondie (option matériaux et composants)

Université d’Aix Marseille III, France

1981 Master’s degree in Physics Université d’Aix Marseille III, France

1980 Bachelor in physics, Université d’Aix Marseille III, France

Scientific employement

1985-1987 Assistant professor

1988-2001 Maître de conférences à l’Université de Tours (63ème puis 28ème).

2001-2011 Professor of physics

Teaching Activities

1987-2011 Teacher in Physics at the University of Tours

· General PhysicsI and II

· Structure of Matter

· Physics of Semiconductor Devices

· Condensed Matter Physics

**· Transport, superfluidity and superconductivity

Ph-D advisor

Subject: «Contribution to the study of physics of vortices in the superconductor Bi2Sr2CaCu2O8+dirradiated with heavy ions»

Student: Rui De Sousa

Subject: «Contribution to the study of the influence of doping on the electronic properties of cuprate superconductors» Student: Bruno Pignon

Subject: «vortex dynamics at low temperature and low field in high critical temperature: comparison with proposed theoretical models”

Student: Viacheslav Alexandrovich Shaidiuk

Research Areas / interests

Experimentalcondensed matter physics and its related areas, especially, “Spatially Inhomogeneous” superconductors systems

·Strongly Correlated Electron Systems

·Unconventional Superconductivity

· Vortex Dynamics (creep and flow) in High-Tc Superconductors

· Vortex structure in superconductors

Referee

· Physical Reviews Letters

· Physical Review B

·Journal of physics and chemistry of physics

· Europhysics Letters

Publications

Article dans une revue (14)

Dynamic Transition in Current-Driven Disordered Flux-Line Lattice in Single-Crystal of Bi-2212 Larbi Ammor,A. Ruyter Physica C: Superconductivity and its Applications, 2014, 506, pp.47--52. ⟨10.1016/j.physc.2014.08.011⟩ Article dans une revue istex hal-01718994v1
Study of the yttrium and zinc substitutions effects in Bi2Sr2CaCu2O8+δ compounds by transport measurements Bruno Pignon,Cécile Autret-Lambert,Antoine Ruyter,Rodolphe Decourt,Jean-Marc. Bassatet al. Physica C: Superconductivity and its Applications, 2008, 468 (11-12), pp.865-871. ⟨10.1016/j.physc.2007.09.014⟩ Article dans une revue istex hal-00300701v1
Microstructural and transport properties in substituted Bi2Sr2CaCu2O8+δ-modulated compounds C. Autret-Lambert,B. Pignon,M. Gervais,I. Monot-Laffez,A. Ruyteret al. Journal of Solid State Chemistry, 2006, vol. 179, n° 6, p. 1698-1706. ⟨10.1016/j.jssc.2006.03.005⟩ Article dans une revue istex hal-00110240v1
Response to Tilted Magnetic Fields in Bi 2 Sr 2 CaCu 2 O 8 with Columnar Defects: Evidence for Transverse Meissner Effect V. Ta Phuoc,Enrick Olive,R. de Sousa,A. Ruyter,L. Ammoret al. Physical Review Letters, 2002, 88 (18), ⟨10.1103/PhysRevLett.88.187002⟩ Article dans une revue hal-01794684v1
Response to tilted magnetic fields in Bi2Sr2CaCu2O8 with columnar defects: Evidence for transverse Meissner effect V. Ta Phuoc,E. Olive,R. de Sousa,A. Ruyter,L. Ammoret al. Physical Review Letters, 2002, 88, pp.187002 Article dans une revue hal-00131985v1
Vortex dynamics and phase diagram of BSCCO in the presence of columnar defects L. Ammor,R De Sousa,J. C Soret,Vinh Ta-Phuoc,A. Ruyteret al. Journal of Physics: Condensed Matter, 2000, 12 (18), pp.4217-4231 Article dans une revue hal-02042802v1
Effect of field tilting on the vortices in irradiated Bi-2212 V. Ta Phuoc,A. Ruyter,R. de Sousa,L. Ammor,E. Oliveet al. Physica C: Superconductivity and its Applications, 2000, 341-48, pp.1283-1284 Article dans une revue hal-00131695v1
Relevance of the scheme of regularization of the density-of-state fluctuation contribution in an arbitrary magnetic field D. Thopart,A. Wahl,Fabienne Warmont,C. Simon,J. C. Soretet al. Physical Review B: Condensed Matter and Materials Physics (1998-2015), 2000, 62 (14), pp.9721-9725. ⟨10.1103/PhysRevB.62.9721⟩ Article dans une revue hal-01565321v1
Origin of the variable-range vortex hopping in Bi 2 Sr 2 Ca 1 − x Y x Cu 2 O 8 with columnar defects J. Soret,V. Ta Phuoc,L. Ammor,A. Ruyter,R. de Sousaet al. Physical Review B: Condensed Matter and Materials Physics (1998-2015), 2000, 61 (14), pp.9800 - 9808. ⟨10.1103/PhysRevB.61.9800⟩ Article dans une revue hal-01794640v1
Universality of glass scaling in Bi2Sr2Ca1−xYxCu2O8 single crystals in the presence of correlated disorder L. Ammor,R. de Sousa,J.C. Soret,V. Ta Phuoc,A. Ruyteret al. Solid State Communications, 2000, 113 (11), pp.633-638. ⟨10.1016/S0038-1098(99)00553-0⟩ Article dans une revue istex hal-02042782v1
Bose-glass transition in irradiated Bi2Sr2Ca1-xYxCu2O8 crystals R. de Sousa,L. Ammor,J.C. Soret,V. Ta Phuoc,A. Ruyteret al. Physica C: Superconductivity, 2000, 341-348, pp.1339-1340. ⟨10.1016/S0921-4534(00)00870-4⟩ Article dans une revue istex hal-02042913v1
Loi d'échelle dans YBa2Cu3O7-x céramique J. Soret,L. Ammor Journal de Physique III, 1992, 2 (2), pp.203-212. ⟨10.1051/jp3:1992118⟩ Article dans une revue istex jpa-00248735v1
EXTRINSIC ORIGINE OF RECOMBINATION CENTRES AT GRAIN BOUNDARIES IN P TYPE SILICON BICRYSTALS M. Pasquinelli,N. M'Gaffad,H. Amanrich,L. Ammor,S. Martinuzzi Journal de Physique Colloques, 1989, 50 (C6), pp.C6-159-C6-159. ⟨10.1051/jphyscol:1989619⟩ Article dans une revue istex jpa-00229650v1
CORRELATION ENTRE LES DISLOCATIONS, LES CONCENTRATIONS EN CARBONE ET LES LONGUEURS DE DIFFUSION DANS DU SILICIUM POLYCRISTALLIN C.G.E H. Amzil,L. Ammor,E. Psaila,M. Zehaf,G. Mathianet al. Journal de Physique Colloques, 1983, 44 (C4), pp.C4-415-C4-422. ⟨10.1051/jphyscol:1983449⟩ Article dans une revue istex jpa-00223069v1