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  1. No Access

    Article

    Magnetization measurements of clusters of Mn (II) at low temperature and high magnetic field

    The compound under study is a magnetic metal oxyde cluster of Mn(II) encapsulated in between two polyoxymetalate clusters PW9O34, i.e. (Mn4(H2O)2(PW9O34)2)K1020H2O. We measured the magnetization up to 36 T in a l...

    J. M. Broto, M. Respaud, R. Barbaste, H. Rakoto… in Czechoslovak Journal of Physics (1996)

  2. No Access

    Article

    Anomalously high charge/orbital ordering temperature in Bi0.5Sr0.5MnO3

    Neutron/synchrotron diffraction data and magnetic measurements provide direct evidence of charge/orbital ordering at anomalously high temperatures in Bi0.5Sr0.5MnO3, as well as in other (Bi,Sr)MnO3 manganites. We...

    C. Frontera, J.L. García-Muñoz, M.A.G. Aranda, C. Ritter, A. Llobet… in Applied Physics A (2002)

  3. No Access

    Article

    Charge modulation and orientational variants in Bi1/3Ca2/3MnO3

    We present a neutron/synchrotron diffraction study of the orbital/charge ordering in Bi1/3Ca2/3MnO3. The compound presents a high degree of orthorhombicity, which has permitted us to identify different modulation...

    A. Llobet, C. Frontera, C. Ritter, M. Respaud, J.M. Broto… in Applied Physics A (2002)

  4. No Access

    Article

    Oxidation of Si nanocrystals fabricated by ultra-low energy ion implantation in thin SiO2 layers

    The effect of annealing in diluted oxygen on the structural characteristics of thin silicon dioxide layers with embedded Si nanocrystals fabricated by ultra-low energy ion implantation (1 keV) is reported. The...

    H. Coffin, C. Bonafos, S. Schamm, N. Cherkashin… in MRS Online Proceedings Library (2004)

  5. No Access

    Article

    Size Dependent Enhancement of Spin and Orbital Magnetism in CoRh Nanoparticles

    The magnetism of CoRh nanoparticles (NPs) is investigated experimentally and theoretically. NPs of about 2 nm diameter have been synthesized by decomposition of organometallic precursors in mild conditions of ...

    M. Muñoz-Navia, J. Dorantes-Dávila, C. Amiens… in MRS Online Proceedings Library (2007)

  6. No Access

    Chapter and Conference Paper

    Magnetic configurations of isolated and assemblies of iron 30 nm nanocubes studied by electron holography

    The magnetic remanent configurations of single and assemblies of crystalline 30 nm Fe nanocubes were studied using off axis electron holography (EH). Experiments were performed on the SACTEM-Toulouse (Tecnai-F...

    E. Snoeck, C. Gatel, L. M. Lacroix, T. Blon… in EMC 2008 14th European Microscopy Congress… (2008)

  7. No Access

    Article

    Theoretical study of the magnetic moments and anisotropy energy of CoRh nanoparticles

    The role of size, structure and chemical order on the magnetic moments and magnetic anisotropy energy (MAE) of CoRh nanoparticles are studied in the framework of a self-consistent real-space tight-binding meth...

    M. Muñoz-Navia, J. Dorantes-Dávila, M. Respaud… in The European Physical Journal D (2009)

  8. No Access

    Article

    Modelling of the oxidation of Suspended Silicon Nanowires

    The oxidation of suspended Si nanowires is studied under wet and dry conditions. The nanowire characteristics are extracted from Electron Microscopy images. In parallel, the Deal and Grove model is extended to...

    P. F. Fazzini, C. Bonafos, A. Hubert, J.-P. Colonna… in MRS Online Proceedings Library (2009)