5,002 research outputs found

    Introduction: Beginning a New Millennium of Chicana and Chicano Scholarship

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    Letras femeninas en el periodismo mexicano de Miriam López

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    Reseña del libro Miriam López Hernández, Letras femeninas en el periodimo mexicano, Colección Raíz del Hombre, Toluca, Instituto Mexiquense de Cultura, 2010, 140 pp

    First-principles study of electron transport through the single-molecule magnet Mn12

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    We examine electron transport through a single-molecule magnet Mn12 bridged between Au electrodes using the first-principles method. We find crucial features which were inaccessible in model Hamiltonian studies: spin filtering and a strong dependence of charge distribution on local environments. The spin filtering remains robust with different molecular geometries and interfaces, and strong electron correlations, while the charge distribution over the Mn12 strongly depends on them. We point out a qualitative difference between locally charged and free-electron charged Mn12
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