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Multifunctional Materials

The scope of this line is the preparation and study of thin film systems (single and multilayer structures) allowing:

  1. Realization of model systems, which will allow understanding the phenomenon at the nanoscale that will be translated in a next step to bulky systems.
  2. Tuning of final properties (magnetic, mechanical…) by varying the preparation conditions.
  3. Design of functional devices (sensors, magnetic markers…).

Moreover the full battery of available capabilities (sputtering and MBE systems equipped with XPS, LEED, UPS…) allows going well beyond the fabrication of reduced scale systems and devices, and testing them under real working conditions by selecting temperature and operational atmosphere. A complete analysis indicates the behavior and failure of the systems under practical and extreme operation conditions. This allows making quality tests with extraordinary precision and, in addition, detecting any possible problems related to deterioration of the systems that, in the as-prepared state, might show an outstanding performance but might deteriorate once installed in the final practical device. This is of extraordinary importance in systems aimed for applications in different technological sectors:

  1. Aeronautical and aerospatial
  2. Automotive.
  3. Energy.
  4. Medical devices.

A close collaboration with the Program of Nanomagnetism (coordinated by Prof. Julio Camarero) and the Center for Micro- and Nanofabrication (supervised by Prof. Daniel Granados) allows exploring very different phenomena when going to the nanoscale through nanostructuration with state-of-the-art facilities.

  • Dr. Cristina Navío Bernabeu

    PhD: Universidad Autónoma de Madrid
    Previous Position: Mons University, Belgium
    Research: Photoemission spectroscopy
    Joining Date: January, 2012
    User Name: cristina.navio
    Telephone: +34 91 299 87 62
    Navío Bernabeu

    Dr. Cristina Navío got her PhD in Physics at the Surface Science Laboratory in the Condensed Matter Physics Department of the Autónoma University of Madrid (2008), in the group lead by Prof. Dr. Rodolfo Miranda. During this period, Dr. Navío acquired a deep knowledge on UHV and surface characterization techniques. After one year postdoc in the Freie University of Berlin (Germany) in the group of Prof. Dr. Wolfgang Kuch she joined the LCIA in the University of Mons to work with Dr. Carla Bittencourt in the group of Prof. Rony Snyders. She got experience in NEXAFS and PEEM, with several months of work in BESSY synchrotron and she worked in the characterization of functional films for gas sensing applications. After two years in Belgium, she came back to her former laboratory for one year and became an IMDEA Nanoscience member from 2012. Dr. Navío’s expertise includes: thin films growth and surface characterization in UHV (techniques used: XPS, UPS, Auger, LEED); Synchrotron radiation user (Berlin and Hamburg) for spectroscopy (XPS and UPS) and NEXAFS.

    Relevant publications

    • Inter-grain effects on the magnetism of M-type strontium ferrite, E. Céspedes et al., J. of Alloys and Compounds 692, 280 (2017).
    • Gallium plasmonic nanoparticles for label free DNA and nucleotide polymorphisms sensing, A.G. Marín et al., Nanoscale 8(18), 9842 (2016).
    • Size, Shape, and Phase Control in Ultrathin CdSe Nanosheets, F. Gerdes et al., Nano Lett. 2017. DOI: 10.1021/acs.nanolett.7b00937
  • Dr. Eva Céspedes Montoya

    Research: Spintronics and biomedical applications
    Joining Date: May, 2014
    User Name: eva.cespedes
    Telephone: +34 91 299 87 89
    Céspedes Montoya

    Eva Céspedes obtained her BSc in Pheysics (2004) from the Universidad Complutense of Madrid and MSc (2006) from the Universidad Autónoma de Madrid. She joined the group of Prof. Carlos Prieto (CSIC-I3P Postgraduate fellowship) at the Institute of Materials Science of Madrid, where she gained expertise in nano-materials and thin films for spintronics, obtaining her PhD in 2009. In 2010 her interest in new functional materials moved her to renewable energies (EU project “New solar collector concept for high temperature operation in CSP applications”) at ICMM. Between 2012 and 2014, she joined the group headed by Dr Neil Telling at Keele University, UK (Spanish Ministry Postdoctoral Grant) gathering interdisciplinary experience in biomedical applications and magnetic nanoparticles based therapies. She got a Research Award by the North Staffordshire Medical Institute. In April 2014, she joined IMDEA Nanoscience, working within the EU project “Nanopyme” based on permanent magnets without rare-earth materials. Since 2015, she is a Juan de la Cierva postdoctoral fellow within the Nanoscience for critical raw materials group, headed by Dr. A. Bollero. Along her career, she has participated in 21 experiments with synchrotron radiation.

    EC has interdisciplinary expertise and varied research interests related to advanced functional materials, thin films and nanostructures, with 38 publications in Material Science.

    • She investigated the magnetism of Mn-Zn-O and M-Si3N4, aimed at finding room temperature ferromagnetic in wide band gap materials. Her innovative approach in solar energy based on a pioneering combination of materials led to improved energy efficiency (lead author of a patent). She has also
      Her research at IMDEA within the Nanoscience for critical raw materials group is based on the field of permanent magnets without rare-earth materials. In particular, she is focused on magnetic thin films, such as Mn-based alloys prepared by PVD (magnetron-sputtering) with a combined objective: model systems for further understanding of the magnetic properties of bulk systems joined to the technological interest of permanent magnets at the nanoscale. From her research within the EU project “Nanopyme” she has been able to tune the magnetic characteristics of SrFe12O19 layers and improve its magneto-structural understanding combining experiments and simulations.

    EC has interdisciplinary expertise and varied research interests related to advanced functional materials, thin films and nanostructures, with 38 publications in Material Science.

    • She investigated the magnetism of Mn-Zn-O and M-Si3N4, aimed at finding room temperature ferromagnetic in wide band gap materials. Her innovative approach in solar energy based on a pioneering combination of materials led to improved energy efficiency (lead author of a patent). She has also
      Her research at IMDEA within the Nanoscience for critical raw materials group is based on the field of permanent magnets without rare-earth materials. In particular, she is focused on magnetic thin films, such as Mn-based alloys prepared by PVD (magnetron-sputtering) with a combined objective: model systems for further understanding of the magnetic properties of bulk systems joined to the technological interest of permanent magnets at the nanoscale. From her research within the EU project “Nanopyme” she has been able to tune the magnetic characteristics of SrFe12O19 layers and improve its magneto-structural understanding combining experiments and simulations.

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