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Larbi Ammor

14
Documents
Identifiants chercheurs

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

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 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. Bassat
Physica C: Superconductivity and its Applications, 2008, 468 (11-12), pp.865-871. ⟨10.1016/j.physc.2007.09.014⟩
Article dans une revue hal-00300701v1

Microstructural and transport properties in substituted Bi2Sr2CaCu2O8+δ-modulated compounds

C. Autret-Lambert , B. Pignon , M. Gervais , I. Monot-Laffez , A. Ruyter
Journal of Solid State Chemistry, 2006, vol. 179, n° 6, p. 1698-1706. ⟨10.1016/j.jssc.2006.03.005⟩
Article dans une revue hal-00110240v1

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. Ammor
Physical Review Letters, 2002, 88, pp.187002
Article dans une revue hal-00131985v1
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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. Ammor
Physical Review Letters, 2002, 88 (18), ⟨10.1103/PhysRevLett.88.187002⟩
Article dans une revue hal-01794684v1

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. Ruyter
Journal of Physics: Condensed Matter, 2000, 12 (18), pp.4217-4231
Article dans une revue hal-02042802v1

Bose-glass transition in irradiated Bi2Sr2Ca1-xYxCu2O8 crystals

R. de Sousa , L. Ammor , J.C. Soret , V. Ta Phuoc , A. Ruyter
Physica C: Superconductivity, 2000, 341-348, pp.1339-1340. ⟨10.1016/S0921-4534(00)00870-4⟩
Article dans une revue hal-02042913v1

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. Ruyter
Solid State Communications, 2000, 113 (11), pp.633-638. ⟨10.1016/S0038-1098(99)00553-0⟩
Article dans une revue hal-02042782v1

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. Soret
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
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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 Sousa
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

Effect of field tilting on the vortices in irradiated Bi-2212

V. Ta Phuoc , A. Ruyter , R. de Sousa , L. Ammor , E. Olive
Physica C: Superconductivity and its Applications, 2000, 341-48, pp.1283-1284
Article dans une revue hal-00131695v1
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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 jpa-00248735v1
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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 jpa-00229650v1
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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. Mathian
Journal de Physique Colloques, 1983, 44 (C4), pp.C4-415-C4-422. ⟨10.1051/jphyscol:1983449⟩
Article dans une revue jpa-00223069v1