Olivier Thomas
IM2NP
Faculté des Sciences et Techniques
Avenue Escadrille Normandie Niemen
Service 262
13397 Marseille Cedex 20
France

téléphone : + 33 (0) 4 91 28 86 72
fax : +33 (0) 4 91 28 27 93
mail : olivier.thomas@univ-cezanne.fr


Professeur, Université d'Aix-Marseille


Domaines d'activité :

Propriétés mécaniques des objets de petites dimensions (métaux, semi-conducteurs) :
Elasticité, plasticité.
Diffusion des rayons X


Publications récentes dans des revues avec comité de lecture

Cauro R., Papiernik R., Gilabert A., Girault Y., Grenet J.C., Medici M.G., Thomas P., Muller C. Photoconductivity in oxygen deficient La0.7Pbx_0.3-xMnO3-d manganites thin films prepared by chemical route. Journal of Superconductivity : Incorporating Novel Magnetism, vol. 14, n° 2, p. 235-, 2001

Bigault T., Bocquet F., Labat S., Thomas O., Renevier H. Chemically diffuse interface in, 111Au-Ni multilayers: an anomalous X-Ray diffraction analysis. Appl. Surf. Science, 188, 110-114, 2002

Chocyk D., Proszynki A., Gladyszewski G., Labat S., Gergaud P., Thomas O. Stresses in multilayered systems: test of the sin2y method. Adv. Eng. Materials, 4, 557, 2002

Chocyk D., Proszynsky A., Gladyszevski G. , Labat S., Gergaud P., Thomas O. Determination of stress in Au/Ni multilayers by symmetric and asymmetric X-ray diffraction. Optica Applicata, 32, 333-337, 2002

Labat S., Guichet C., Thomas O., Gilles B., Marty A. Microstructural analysis of Au/Ni multilayers RDI by SAXS and STM. Applied Surface Science, 188, n° 1-2, 182-7, 2002

Parmentier R., Lemarchand F., Cathelino M., Lesquine M., Amra C., Labat S., Bozzo S., Bocquet F., Charai A., Thomas O. Piezoelectric tantalum pentoxide studied for optical tunable application. Applied Optics, 41, 3270-3276, 2002

Rivero C., Bostrom O., Gergaud P., Thomas O., Boivin P., Mazuelas A. In situ study of strain evolution during thin film Ti/Al , Si,Cureaction using synchrotron radiation. Microelectronic Engineering,  64, 81, 2002

Thomas O., Müller P., Labat S., Gergaud P. Influence of segregation on the measurement of stress in thin films. J. Appl. Phys., 91, 2951, 2002

Bocquet F., Gergaud P. and Thomas O. X-ray diffraction from inhomogeneous thin films of nanometre thickness : modelling and experiment. J. Appl. Cryst., 36 , 154, 2003

Chenevier B., Chaix- Pluchery O., Gergaud P., Thomas O., LaVia F. Thermal expansion and stress development in the first stages of silicidation in Ti/Si thin films,. J. Appl. Phys., 94 , 7083, 2003

Chenevier B., Chaix-Pluchery O., Gergaud P., Thomas O., Madar R., LaVia F. First stages of silicidation in Ti/Si thin films. Microelectronic Engineering, 70 , 455, 2003

Ersen O., Tuilier M-H., Thomas O., Gergaud P., Lagarde P. Cubic local order around Al and intermixing in short period AlN/TiN multilayers studied by Al K-edge extended x-ray absorption fine structure spectroscopy and x-ray diffraction. Appl. Phys. Letters, 82, 3659, 2003

Gergaud P., Megdiche M., Thomas O., Chenevier B. Influence of Si substrate orientation on stress development in Pd silicide films grown by solid-state reaction. App.Phys. Lett., 83, 1334, 2003

Gergaud P., Thomas O., Chenevier B. Stresses arising from a solid state reaction between palladium films and Si(001 investigated by in situ combined X-ray diffraction and curvature measurements. J. Appl. Phys., 94, 1584, 2003

Kaouache B., Gergaud P., Thomas O., Bostrom O., Legros M. Impact of thermal cycling on the evolution of grain, precipitate and dislocation structure in Al 0.5%Cu 1%Si thin films. Microelectronic Engineering, 70 , 447, 2003

Loubens A., Fortunier R., Fillit R., Thomas O. Simulation of local mechanical stresses in lines on substrate. Microelectronic Engineering, 70, 455, 2003

Megdiche M., Gergaud P., Curtil C., Thomas O., Chenevier B., Mazuelas A. In situ study of stress evolution during solid state reaction of Pd with Si, 001 using synchrotron radiation. Microelectronic Engineering, 70, 436, 2003

Thomas O., Shen Q., Schieffer P., Tournerie N., Lepine B. Interplay between anisotropic strain relaxation and uniaxial interface magnetic anisotropy in epitaxial Fe films on, 001 GaAs. Phys. Rev. Lett., 90, 017205, 2003

Bocquet F., Bigault T., Alfonso C., Labat S., Thomas O., Charai A. In situ stress measurements during the growth at different temperatures of Ag-Cu, 111 multilayers. J. Appl. Phys., 95, 1152-61, 2004

Gergaud P., Rivero C., Gailhanou M., Thomas O., Froment B. , Jaouen H. Exploring Ni-Si thin-film reactions by means of simultaneous synchrotron. X-ray diffraction and substrate curvature measurements. Mat. Sci. and Engin. B, 114-15, 67-71, 2004

Labat S., Bocquet F. , Gilles B., Thomas O. Stresses and interfacial structure in Au-Ni and Ag-Cu metallic multilayers. Scripta-Materialia, 50 , 717-21, 2004

Rivero C., Gergaud P., Thomas O., Froment B., Jaouen H. In situ study of stress evolution during the reaction of a nickel film with a silicon substrate. Microelectronic Engineer., 76, 318−323, 2004

Chérault N., Carlotti G., Casanova N., Gergaud P., Goldberg C., Thomas O., Verdier M. Mechanical characterization of low−k and barrier dielectric thin films. Microelectronic Engineering, 82, 368, 2005

Legros M., Kaouache B., Gergaud P., Thomas O., Dehm G., Balk T. J., Arzt E. Pipe-Diffusion ripening of Si precipitates in Al-0.5% Cu-1%Si thin films. Phil. Mag. A, 85, 3541-3552, 2005

Rivero C., Gergaud P., Gailhanou M., Boivin P., Fornara P., Niel S., Thomas O. Stress developement and relaxation during reaction of a cobalt film with a silicon substrate. Defect and Diffusion Forum, 237-240, 518-523, 2005

Rivero C., Gergaud P., Gailhanou M., Thomas O., Froment B., Jaouen H., Carron V. Combined synchrotron x-ray diffraction and wafer curvature measurements during Ni-Si reactive film formation. Appl. Phys. Letters 87, 48-50, 2005

Thomas O., Gergaud P., Rivero C., d’Heurle F. Stress development during the reactive formation of silicide films. Defect and Diffusion Forum, 237-240, 801-812, 2005

Cacho F., G. Cailletaud, C. Rivero, P. Gergaud, O. Thomas, H. Jaouen. Numerical modeling of stress build up during nickel silicidation under anisothermal annealing. Materials Science and Engineering B, vol. 135, p. 95, 2006

Gergaud P., Goudeau P., Sicardy O., Tamura N., Thomas O. Residual stress analysis in micro- and nao-structures materials by X-ray diffraction. International Journal of Materials and Product Technology, vol. 26, p. 3-4, 2006

Ney D., Federspiel X., Thomas O., Gergaud P. Stress induced electromigration backflow effect in copper interconnects. IEEE Transactions on Device and Materials Reliability, vol. 6, p. 175 2006

Ney D., X. Federspiel, O. Thomas, P. Gergaud. Stress induced electromigration backflow effect in copper interconnects. IEEE Transactions on  Device & Materials Reliability, vol. 6, p. 175, 2006

Thomas O., A. Loubens, P. Gergaud, Labat S. X-ray scattering: a powerful probe of lattice strains in materials with small dimensions. Applied Surface Science, vol. 253, p. 182, 2006

Benoudia M.C., Roussel J.M., Labat S., Thomas O., Beke D.L., Langer G., Kis-Varga M. Investigating interdiffusion in Mo/V multilayers from x-ray scattering and kinetic simulations. Defect and Diffusion Data, vol. 264, p. 13, 2007

Eberlein M., Escoubas S., Gailhanou M., Thomas O.,Micha J.-S., Rohr P., Coppard R. Investigation by high-resolution X-ray diffraction of the local strains induced in Si by periodic arrays of oxide filled trenches. Physica Status Solidi (a), vol. 8, p. 2542-2547, 2007

Gailhanou M., Loubens A., Micha J.-S., Charlet B., Minkevich A.A.,  Fortunier R., Thomas O. Strain field in silicon on insulator lines using high resolution x-ray diffraction. Applied Physics Letters, vol. 90, p. 111914, 2007

Labat S., Chamard V., Thomas O. Local strain in a 3D nanocrystal revealed by 2D coherent X-ray diffraction imaging. Thin Solid Films, vol.  515, p. 5557, 2007

Minkevich A.A.,  Gailhanou M., Micha J.-S.,  Charlet B., Chamard V., Thomas O. Inversion of the diffraction pattern from an inhomogeneously strained crystal using an iterative algorithm. Physical Review B, vol 76, p104106, 2007

Eberlein M., Escoubas S., Gailhanou M., Thomas O., Rohr P., Coppard R. Influence of crystallographic orientation on local strains in silicon: a combined high-resolution X-ray diffraction and finite element modeling investigation. Thin Solid Films, vol.516, p. 8042–8048, 2008

Escoubas S., H. Brillet, T. Mesarotti, G. Raymond, O. Thomas and P. Morin. Local strains induced in silicon channel by a periodic array of nitride capped poly lines investigated by High-Resolution X-Ray Diffraction. Material Science and Engineering B, vol. 154-155, p. 129-132, 2008

Imbert B., M. Gregoire, S. Zoll, R. Beneyton, S. Del-Medico, C. Trouiller, O. Thomas. Nitrogen impurity effects on nickel silicide formation at low temperatures – New “nitrogen co-plasma” approach. Microelectronic Engineering, vol.  85, p. 2005-2008, 2008

Imbert B., S. Zoll, P. Garnier, B. Pernet, D. Galpin, R. Beneyton, M. Juhel, P. Mur, V. Carron, O. Thomas. Self-aligned nickel-platinum silicide oxidation. Material Science and Engineering B, vol. 154-155, p.155-158, 2008

Kaouache B., S. Labat, O. Thomas, S. Maitrejean, V. Carrreau. Texture and strain in narrow copper damascene interconnect  lines: an x-ray diffraction analysis. Microelectronic Engineering, vol. 85, p. 2175-2178, 2008

Minkevich A., T. Baumbach, M. Gailhanou, O. Thomas. Applicability of an iterative inversion algorithm to the diffraction pattern from inhomogeneously strained crystals. Physical Review B, vol.  78, p. 174110, 2008

Thomas O. Diffraction analysis of elastic strains in micro and nano-structures. Z. Kristallogr., vol. 223, p. 569-574, 2008

Escoubas S., Mesarotti T., Thomas O., Brillet H., Raymond G., Morin P. Local strains induced in silicon channel by a periodic array of nitride capped poly lines investigated by high-resolution X-ray diffraction. Materials Science & Engineering B, acceptée, 2009

Edition

Proceedings of the European Workshop on Materials for Advanced Metallization 2003, O. Thomas, H. Dallaporta, P. Gas (eds).- Microelectronic Engineering 70 (2003), Elsevier



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