• Electric field gradients and bipolar electrochemistry effects on neural growth: A finite element study on immersed electroactive conducting electrode materials
  • On the Study of Ca and Mg Deintercalation from Ternary Tantalum Nitrides
  • Towards Oxide Electronics: a Roadmap
  • Plasticity of Persistent Photoconductance of Amorphous LaAlO3/SrTiO3 Interfaces under Varying Illumination Conditions
  • Equal Footing of Thermal Expansion and Electron–Phonon Interaction in the Temperature Dependence of Lead Halide Perovskite Band Gaps
  • Electric field gradients and bipolar electrochemistry effects on neural growth: A finite element study on immersed electroactive conducting electrode materials
  • On the Study of Ca and Mg Deintercalation from Ternary Tantalum Nitrides
  • Towards Oxide Electronics: a Roadmap
  • Plasticity of Persistent Photoconductance of Amorphous LaAlO3/SrTiO3 Interfaces under Varying Illumination Conditions
  • Equal Footing of Thermal Expansion and Electron–Phonon Interaction in the Temperature Dependence of Lead Halide Perovskite Band Gaps

Thin Films Laboratory

  • About

    The Service of Thin Films has been created to offer to the researchers the capability of fabrication of complex oxides thin films and heterostructures combining oxides and metals.

    The deposition techniques are pulsed laser deposition (PLD) for oxides and sputtering for metals. Currently there are two PLD set-ups installed, and in short time both systems will be connected to a chamber with several sputtering units. PLD is a physical vapour deposition technique that uses ultraviolet laser radiation to vaporize material that is transferred to the substrate. The plot in Figure 1 is a sketch illustrating a PLD set-up.

    The pulsed beam of an ultraviolet laser (usually an excimer) is focused on a ceramic target placed in a vacuum chamber. The combination of pulsed irradiation, high photon energy, and high energy density can cause the ablation of the material. Ablation refers to the etching and emission of material under conditions totally out of the equilibrium. The plasma created expands fast along the perpendicular direction of the target (see the photography in Figure 2). A substrate is placed front the target, and inert or reactive gases are usually introduced during the deposition process.

    desc1

    The technique is very suitable for oxides, and compared with other techniques is particularly useful to obtain films with complex stoichiometry and to grow epitaxial films and heterostructures. Moreover, PLD is highly versatile to optimize the deposition conditions of new materials, and the films can be grown in relatively fast processes. These characteristics favour the use of the technique by research groups having interest in different materials.

    desc2

  • Publications

    Pulsed Laser Deposition of Thin Films”, ed. By D.B. Chrisey and G.K. Hubler, Wiley,1994< Pulsed Laser Deposition of Thin Films: Application-led Growth of Functional Materials”, ed. by R. Eason, Wiley, 2007 H.M. Christen and G. Eres, Recent Advances in Pulsed-Laser Deposition of Complex Oxides, J. Phys.: Condens. Matter 20, 264005 (2008)

    Selected publications (ICMAB):

    D. Pesquera, G. Herranz, A. Barla, E. Pellegrin, F. Bondino, E. Magnano, F. Sánchez, J. Fontcuberta, Surface symmetry-breaking and strain effects on orbital occupancy in transition metal perovskite epitaxial films, Nature Communications 3, 1189 (2012) C. Ocal, R. Bachelet, L. Garzón, M. Stengel, F. Sánchez, J. Fontcuberta, Nanoscale laterally-modulated properties of oxide ultrathin films by substrate termination replica through layer-by-layer growth, Chemistry of Materials 24, 4177 (2012) M. Coll, J. Gazquez, A. Palau, M. Varela, X. Obradors, T. Puig, Low Temperature Epitaxial Oxide Ultrathin Films and Nanostructures by Atomic Layer Deposition, Chemistry of Materials 24 3732 (2012) P. de Coux, R. Bachelet, C. Gatel, B. Warot-Fonrose, J. Fontcuberta, F. Sánchez, Mechanisms of epitaxy and defects at the interface in ultrathin YSZ films on Si(001), CrystEngComm (Communication) 14, 7851 (2012) G. Herranz, F. Sánchez, N. Dix, M. Scigaj, J. Fontcuberta, High mobility conduction at (110) and (111) LaAlO3/SrTiO3 interfaces, Scientific Reports 2, 758 (2012) M. Foerster, R. Bachelet, V. Laukhin, J. Fontcuberta, G. Herranz, F. Sánchez, Laterally-confined two-dimensional electron gases in self-patterned LaAlO3/SrTiO3 interfaces, Applied Physics Letters 100, 231607 (2012) F. Sánchez, R. Bachelet, P. de Coux, B. Warot-Fonrose, V. Skumryev, L. Tarnawska, P. Zaumseil, T. Schroeder, J. Fontcuberta, Domain matching epitaxy of ferrimagnetic CoFe2O4 thin films on Sc2O3/Si(111), Applied Physics Letters 99, 211910 (2011) R. Bachelet, P. de Coux, B. Warot-Fonrose, V. Skumryev, J. Fontcuberta, F. Sánchez, CoFe2O4/buffer layer ultrathin heterostructures on Si(001), Journal of Applied Physics 110, 086102 (RC) (2011)R. Bachelet, C. Ocal, L. Garzón, J. Fontcuberta, F. Sánchez, Conducted growth of SrRuO3 nanodot arrays on self-ordered La0.18Sr0.82Al0.59Ta0.41O3(001) surfaces, Applied Physics Letters 99, 051914 (2011) R. Bachelet, D. Pesquera, G. Herranz, F. Sánchez, J. Fontcuberta, Persistent two-dimensional growth of (110) manganite films, Applied Physics Letters 97, 121904 (2010)
  • Request Service

    Contact:

    Dr. Florencio Sánchez 
    Scientific Manager
    fsanchez@icmab.es

    Raúl Solanas
    Technician
    solanas@icmab.es
    Tel. 935801853 (ext. 323-262)
  • Staff

    thinfilms solanas

    Dr. Florencio Sánchez
    Scientific supervisor
    fsanchez@icmab.es
    tel. 93 580 18 53 (ext. 327)

    Raúl Solanas
    Technician
    solanas@icmab.es  
    Tel. 935801853 (ext. 323-262)
  • User's Commission

    President: Prof. Xavier Obradors (Director of ICMAB)

    Scientific Manager: Dr. Florencio Sánchez

    Vocals:

    Prof. Josep Fontcuberta
    Prof. Josep Lluis García
    Prof. Benjamín Martínez
    Prof. Carmen Ocal (Vocal)
    Prof. Teresa Puig (Vocal)
    Dr. Xavier Torrelles (Vocal)

     

Added value

The SCTs ICMAB-CSIC also offer consulting services and interpretation of results to help the optimization of the synthesis and properties of materials, depending on the interests of each client.

The SCT ICMAB-CSIC are on the campus of the UAB Autonomous University of Barcelona, in Cerdanyola del Valles. They form part of the Nanocluster-BCN, with more than 500 researchers working in Nanoscience. We have our own laboratories, equipment and techniques to characterize your products with the most appropriate technologies.

Spectroscopic Techniques Laboratory

ABOUT

About

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The ICMAB Spectroscopy Service was created with the main objective to provide centralised equipments and installations mainly to the research ICMAB groups though the service is also opened to external users. The priority of this service is to offer the highest levels of technology and quality to satisfy the requirements of the research lines currently underway in our institute. The currently equipments available are: EPR, UV-Vis-NIR, FT-IR and RAMAN. For EPR and RAMAN equipments highly qualified technical staff is employed. The rest of the equipments are mainly used on a self-service regime. Three types of spectroscopy techniques have been carried out: a) Molecular spectroscopy: The systems available in our laboratory allow analytical and physic-chemical studies of organic and inorganic molecules (in solid or liquid state) in the ultraviolet, visible and infrared energy range. b) Electron Paramagnetic Resonance: The EPR allows to detect and study transient and stable paramagnetic species such as free radicals, over a very wide range of temperatures.

What we offer

The SCTs ICMAB- CSIC have experience in solving problems and ensure:

  • Accuracy and Reliability
  • Fast service
  • Supervision at all stages of the work
  • Scientific direction from the time of the first consultation
  • Advice on diverse experimental techniques and methodological development in order to improve and expand the services we offer.
  • Organization of courses and seminars on novel equipment and techniques and their applications in many scientific and technical problems
  • Highly qualified technicians and scientists, experts in developing all kinds of research and innovation projects. They are integrated into European and international networks
  • Promote innovation and technology transfer trough collaborative R & D agreements with industry.
   
OCHOA BLANCO

Contact Us

Address: Campus de la UAB, Bellaterra
Tel: +(34)935 801 853
Fax: +(34)935 805 729
Email: info(at)icmab.es

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