FIX Thomas

Chargé de recherche au CNRS

Email : thomas.fix AT unistra.fr

Téléphone : +33 (0) 38810 6334

Adresse: ICube, 23 rue du Loess, BP 20 CR, 67037 Strasbourg Cedex 2, France

Expérience professionnelle

2006-2012	Research Associate à l’Université de Cambridge (UK), Department of Materials Science
2003-2006	Doctorat de physique, IPCMS, Strasbourg

Formation

2003-2006	Doctorat de physique de la matière condensée « Couches minces de Sr2FeMoO6 élaborées par ablation laser pour des jonctions tunnel magnétiques » Laboratoire : Institut de Physique et Chimie des Matériaux de Strasbourg (IPCMS), Université de Strasbourg. Directeurs de thèse : Prof. A. Dinia, G. Pourroy
2002-2003	DEA de Physique de la Matière Condensée : matériaux, nanostructures et matière molle, Université de Strasbourg
2000-2003	Diplôme d’Ingénieur de l’Ecole Nationale Supérieure de Physique de Strasbourg (ENSPS, Télécom Physique Strasbourg), Université de Strasbourg
1998-2000	Classes préparatoires (Physique-Chimie) au Lycée Kléber à Strasbourg

Enseignement

{- |2008-2010|| 100h TD à l'Université de Cambridge en science des matériaux (BAC+1), électrons et photons dans le solide (Master), physique quantique de la matière condensée (BAC+3), physique thermique et statistique (BAC+3) |- |2005-2006|| 30h TP à l'INSA de Strasbourg en électronique, optique, mécanique (BAC+2) |- |2005-2006|| 16h TD à l'INSA de Strasbourg en électrocinétique (BAC+1) |- |2003-2005|| 160h TD à l'IUT Louis Pasteur de Schiltigheim en électronique, traitement numérique du signal, optique (BAC+1) |}

Encadrement d’étudiants

Suivi de trois doctorants, deux master, et deux élèves-ingénieur

Compétences

• croissance, nanostructuration et caractérisation de couches minces d’oxyde pour des applications en transport, en magnétisme et en optoélectronique
• élaboration de couches minces par ablation laser
• caractérisation de dispositifs novateurs pour l’électronique

Techniques expérimentales utilisées couramment: réflectométrie X, XRD (symétrique et asymétrique), RHEED, MEB, préparation MET, profilométrie, AFM, mesures de ferroélectricité, SQUID, AGFM, VSM, mesures de transport à température et/ou champ magnétique ou illumination variables, PLD, pulvérisation cathodique, gravure ionique et réactive, lithographie par rayonnement ultraviolet et FIB (Focused Ion Beam).

Publications dans des revues internationales avec comité de lecture

[1] Structural and magnetic properties of CoTiO3 thin films on SrTiO3 (001), F. Schoofs, M. Egilmez, T. Fix, J.L. MacManus-Driscoll, Mark G. Blamire, J. Magn. Magn. Mater., to be published.
[2] Tuning the low-dimensional carrier density at LaAlO3/SrTiO3 interfaces via rare earth doping, F. Schoofs, M. Egilmez, T. Fix, J.L. MacManus-Driscoll, M.G. Blamire, Sol. State Comm., to be published.
[3] Strong room temperature exchange bias and electrical manipulation of magnetism in self-assembled BiFeO3 – Fe3O4 nanocomposite heteroepitaxial films, E. Weal, E.-M. Choi, Z. Bi, H. Wang, A. Kursumovic, T. Fix, M.G. Blamire, and J.L. MacManus-Driscoll, ACS Nano, to be published.
[4] Nd:SrTiO3 thin films as photon downshifting layers for photovoltaics, T. Fix, H. Rinnert, M.G. Blamire, A. Slaoui, and J.L. MacManus-Driscoll, Sol. Energ. Mat. Sol. Cells 102, 71 (2012)
[5] Proposal of a one-dimensional electron gas in the steps at the LaAlO3/SrTiO3 interface, N.C. Bristowe, T. Fix, M.G. Blamire, P.B. Littlewood, and E. Artacho, Phys. Rev. Lett. 108, 166802 (2012)
[6] Impact of structural transitions on electron transport at LaAlO3/SrTiO3 heterointerfaces, F. Schoofs, M. Egilmez, T. Fix, J.L. MacManus-Driscoll, and M.G. Blamire, Appl. Phys. Lett. 100, 081601 (2012)
[7] Influence of SrTiO3 substrate miscut angle on the transport properties of LaAlO3/SrTiO3 interfaces, T. Fix, F. Schoofs, Z. Bi, A. Chen, H. Wang, J.L. MacManus-Driscoll, M.G. Blamire, Appl. Phys. Lett. 99, 022103 (2011)
[8] Optimized transport properties of LaAlO3/SrTiO3 heterointerfaces by variation of pulsed laser fluence, F. Schoofs, T. Fix, A. S. Kalabukhov, D. Winkler, Y. Boikov, I. Serenkov, V. Sakharov, T. Claeson, J. L. MacManus-Driscoll and M. G. Blamire, J. Phys.: Condens. Matter 23, 305002 (2011)
[9] Structural and dielectric properties of SnTiO3, a putative ferroelectric, T. Fix, S.L. Sahonta, V. Garcia, J.L. MacManus-Driscoll, and M.G. Blamire, Cryst. Growth Des. 11, 1422 (2011)
[10] Structural evolution and competing magnetic orders in polycrystalline GdN films, K. Senapati, T. Fix, M.E. Vickers, M.G. Blamire, and Z.H. Barber, Phys. Rev. B 83, 014403 (2011)
[11] Coexistence of strong ferromagnetism and polar switching at room temperature in Fe3O4-BiFeO3 nanocomposite thin films, E. Weal, S. Patnaik, Z. Bi, H. Wang, T. Fix, A. Kursumovic, J.L. MacManus-Driscoll, Appl. Phys. Lett. 97, 153121 (2010)
[12] Influence of doping at the nanoscale at LaAlO3/SrTiO3 interfaces, T. Fix, F. Schoofs, J.L. MacManus-Driscoll, and M.G. Blamire, Appl. Phys. Lett. 97, 072110 (2010)
[13] Strain dependent defect mediated ferromagnetism in Mn-doped and undoped ZnO thin films, F. Schoofs, T. Fix, A.M.H.R. Hakimi, S.S. Dhesi, G. van der Laan, S.A. Cavill, S. Langridge, J.L. MacManus-Driscoll, and M.G. Blamire, J. Appl. Phys. 108, 053911 (2010)
[14] Magnetic exchange hardening in polycrystalline GdN thin films, K. Senapati, T. Fix, M.E. Vickers, M.G. Blamire and Z.H. Barber, J. Phys.: Condens. Matter 22, 302003 (2010)
[15] Charge confinement and doping at LaAlO3/SrTiO3 interfaces, T. Fix, F. Schoofs, J.L. MacManus-Driscoll, and M.G. Blamire, Phys. Rev. Lett. 103, 166802 (2009)
[16] Ferromagnetism in Co-doped (La,Sr)TiO3, T. Fix, M. Liberati, H. Aubriet, S.L. Sahonta, R. Bali, C. Becker, D. Ruch, J.L. MacManus-Driscoll, E. Arenholz, M.G. Blamire, New J. Phys. 11, 073042 (2009)
[17] Delta-doped LaAlO3/SrTiO3 interfaces, T. Fix, J.L. MacManus-Driscoll, M.G. Blamire, Appl. Phys. Lett. 94, 172101 (2009) [18] Electrical and magnetic properties of La0.35Sr0.65Ti1-xFexO3 thin films, G.W. Leung, M.E. Vickers, T. Fix, M.G. Blamire, J. Phys. – Cond. Mat., 21, 426003 (2009)
[19] Influence of the dopant concentration in In-doped SrTiO3 on the structural and transport properties, T. Fix, R. Bali, N. Stelmashenko, and M. G. Blamire, Sol. State Comm., 146, 428 (2008)
[20] How to obtain a magnetic hard-soft architecture by pulsed laser deposition, T. Fix, M. Trassin, R. Sayed Hassan, G. Schmerber, N. Viart, C. Mény, S. Colis and A. Dinia, Nanotechnology 18, 495708 (2007)
[21] High quality SrTiO3 tunnel barrier deposited by pulsed laser deposition, T. Fix, V. Da Costa, C. Ulhaq-Bouillet, S. Colis, A. Dinia, K. Bouzehouane and A. Barthelemy, Appl. Phys. Lett. 91, 083104 (2007)
[22] Nanoscale analysis of interfaces in a metal/oxide/oxide trilayer obtained by pulsed laser deposition, T. Fix, G. Bertoni, C. Ulhaq-Bouillet, S. Colis, J. Verbeeck, G. Van Tendeloo and A. Dinia, Appl. Phys. Lett. 91, 023106 (2007)
[23] Absence of tunnel magnetoresistance in Sr2FeMoO6-based magnetic tunnel junctions, T. Fix, A. Barla, C. Ulhaq-Bouillet, S. Colis, J. P. Kappler and A. Dinia, Chem. Phys. Lett., 434, 276 (2007)
[24] Exchange coupling in NiO/CoFe2 and CoFe2O4/CoFe2 systems grown by pulsed laser deposition, T. Fix, S. Colis, K. Sauvet, J. L. Loison, G. Versini, G. Pourroy, and A. Dinia, J. Appl. Phys. 99, 43907 (2006)
[25] Diode effect in all-oxide Sr2FeMoO6-based magnetic tunnel junctions, T. Fix, D. Stoeffler, Y. Henry, S. Colis, A. Dinia, T. Dimopoulos, L. Bär, and J. Wecker, J. Appl. Phys. 99, J8107 (2006)
[26] Coupling between ferromagnetic electrodes through ZnS barrier, T. Fix, S. Colis, G. Schmerber, C. Ulhaq, A. Dinia, J. Magn. Magn. Mater. 286, 134 (2005)
[27] Pressure effect on the magnetization of Sr2FeMoO6 thin films grown by pulsed laser deposition, T. Fix, G. Versini, J. L. Loison, S. Colis, G. Schmerber, G. Pourroy, and A. Dinia, J. Appl. Phys. 97, 024907 (2005)
[28] Effects of strain relaxation on the electronic properties of epitaxial Sr2FeMoO6 grown by pulsed laser deposition on SrTiO3 (001), T. Fix, D. Stoeffler, S. Colis, C. Ulhaq, G. Versini, J. P. Vola, F. Huber, and A. Dinia, J. Appl. Phys. 98, 023712 (2005)
[29] Structural defects in Sr2FeMoO6 double perovskite: Experimental versus theoretical approach, S. Colis, D. Stoeffler, C. Mény, T. Fix, C. Leuvrey, G. Pourroy, A. Dinia, and P. Panissod, J. Appl. Phys. 98, 033905 (2005)

Communications orales dans des conférences internationales

[1] Invited: Transparent conductive oxides, T. Fix, European Photovoltaics Summer School (July 2012, Krakow, Poland)
[2] Invited: Novel interface effects in oxide nanocomposite thin films, J.L. MacManus-Driscoll, E.M. Choi, T. Fix, A. Kursumovic, A. Chen, H. Wang, European Materials Research Society (E-MRS) (May 2012, Strasbourg, France)
[3] Invited: Achieving a room temperature magnetoelectric by materials selection and nanocomposite thin film design, J.L. MacManus-Driscoll, E.M. Choi, T. Fix, A. Kursumovic, Q. Jia, A. Chen, H. Wang, Z. Bi, Materials Research Society Fall Meeting (MRS) (April 2012, San Francisco, USA)
[4] Magnetoelectric coupling in Perovskite-ZnO nanocomposites, T. Fix, M.G. Blamire, and J.L. Driscoll, Materials Research Society Fall Meeting (MRS) (April 2012, San Francisco, USA)
[5] Structural and dielectric properties of SnTiO3, a putative ferroelectric, T. Fix, L. Sahonta, J.L. Driscoll, and M.G. Blamire, Materials Research Society Fall Meeting (MRS) (April 2012, San Francisco, USA)
[6] Invited: Novel approaches to large area functional nanowires arrays, J. Driscoll, S. Harrington, A. Kursumovic, Q. Jia, H. Wang, Z. Bi and T. Fix, Materials Research Society Fall Meeting (MRS) (December 2011, Boston, USA)
[7] Influence of defects in quasi-two-dimensional electron gases at LaAlO3/SrTiO3 interface, T. Fix, F. Schoofs, J.L. MacManus-Driscoll and M. Blamire, 17th International Workshop on Oxide Electronics (September 2010, Awaji, Japan)
[8] Invited: Influence of defects in quasi-two-dimensional electron gases at LaAlO3/SrTiO3 interface, T. Fix, F. Schoofs, J.L. MacManus-Driscoll and M. Blamire, Inter-phase: Novel Electronic States at Interfaces in Oxides (March 2010, Leiden, The Netherlands)
[9] Quasi-two-dimensional Electron Gas at LaAlO3/SrTiO3 Interface Doped with Magnetic Impurities, T. Fix, J.L. MacManus-Driscoll and M. Blamire, Materials Research Society Spring Meeting (MRS) (April 2009, San Francisco, USA)
[10] Origin of Ferromagnetism in Co-doped (La,Sr)TiO3, T. Fix, L. Sahonta and M. Blamire, Materials Research Society Spring Meeting (MRS) (April 2009, San Francisco, USA)
[11] Invited: Delta-doped LaAlO3/SrTiO3 interfaces: evidence for sub-nanometer carrier confinement and possible spin polarization, T. Fix, J.L. MacManus-Driscoll and M. Blamire, Symposium on Advanced Oxide materials : catalysis, energy and spintronics, 2nd UK-Taiwan International Networking for Young Scientists (March 2009, Taipei, Taiwan)
[12] Influence of the dopant concentration in In-doped SrTiO3 on the structural and transport properties, T. Fix, R. Bali, N. Stelmashenko and M.G. Blamire, THIOX Advances and new challenges in oxide electronics (April 2008, Sestri Levante, Italy)
[13] Transport and magnetic effects in nanoscale junctions based on perovskites, T. Fix, N. Stelmashenko, R. Bali, and M. Blamire, Materials Research Society Fall Meeting (MRS) (November 2007, Boston, USA)
[14] Structures based on Sr2FeMoO6, T. Fix, A. Barla, J.P. Kappler, S. Colis, and A. Dinia, European Materials Research Society (E-MRS) (June 2006, Nice, France)

Principales collaborations

- A. Dinia, D. Stoeffler, IPCMS, France - A. Slaoui, InESS, France - C. Becker, Laboratoire de Technologies Industrielles, Luxembourg - G. Bertoni, G. Van Tendeloo, EMAT, Anvers, Belgique - M. Rührig, L. Bär, SIEMENS, Allemagne - V. Garcia, A. Barthélémy, Unité Mixte CNRS/Thales, France - E. Arenholz, M. Liberati, Advanced Light Source, USA