The Instituto de Ciencia de Materiales de Madrid (ICMM) is an institute of the Consejo Superior de Investigaciones Cientificas (CSIC) (Spanish National Research Council) founded in December 1986, that belongs to the Area of Science and Technology of Materials, one of the eight Areas in which the CSIC divides its research activities.
Our mission is to create new fundamental and applied knowledge in materials of high technological impact, their processing and their transfer to the productive sectors at local, national and European scales (the true value of materials is in their use), the training of new professionals, and the dissemination of the scientific knowledge.
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Quantum Hall ferromagnetism in multicomponent systems Angelika Knothe read more
Líquidos Iónicos en Tribología e Ingeniería de Superficies María Dolores Bermúdez Olivares read more
Core@shell, Au@TiOx nanoparticles by gas phase synthesis
L. Martínez, A. Mayoral, M. Espiñeira, E. Roman, F. J. Palomares and Y. Huttel
Herein, gas phase synthesis and characterization of multifunctional core@shell, Au@TiOx nanoparticles have been reported. The nanoparticles were produced via a one-step process using a multiple-ion cluster source under a controlled environment that guaranteed the purity of the nanoparticles. The growth of the Au cores (6 nm diameter) is stopped when they pass through the Ti plasma where they are covered by an ultra-thin (1 nm thick) and homogeneous titanium shell that is oxidized in-flight before the soft-landing of the nanoparticles. The Au cores were found to be highly crystalline with icosahedral (44%) and decahedral (66%) structures, whereas the shell, mainly composed of TiO2 (79%), was not ordered. The highly electrical insulating behaviour of the titanium oxide shell was confirmed by the charging effect produced during X-ray photoemission spectroscopy.
Schematic and principles of operation of MICS. (a) Two of the three magnetrons are presented as M1 and M2. These magnetrons are placed in the aggregation zone (AZ). (b) The growth of pure Au or (c) TiOx NPs was achieved using only one magnetron. (d) Growth of core@shell, Au@TiOx by combining both magnetrons.