4 resultados para Libraries and electronic publishing -- Congresses

em Universidad Politécnica de Madrid


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PART I:Cross-section uncertainties under differentneutron spectra. PART II: Processing uncertainty libraries

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This paper is about analysis and assess of three experiences on telematic and electronic voting dealing with such aspects as security and achievement of the social requirements. These experiences have been chosen taking into account the deepness of the public documentation and the technological challenge they faces.

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This paper is about analysis and assess of three experiences on telematic and electronic voting dealing with such aspects as security and achievement of the social requirements. These experiences have been chosen taking into account the deepness of the public documentation and the technological challenge they faces.

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We present a theoretical study of the structural and electronic properties of the M-doped MgIn2S4 ternary spinel semiconductor with M = V, Cr, and Mn. All substitutions, in the normal and in the inverse structure, are analyzed. Some of these possible substitutions present intermediate-band states in the band gap with a different occupation for a spin component. It increases the possibilities of inter-band transitions and could be interesting for applications in optoelectronic devices. The contribution to, and the electronic configuration of, these intermediate bands for the octahedral and tetrahedral sites is analyzed and discussed. The study of the substitutional energies indicates that these substitutions are favorable. Comparison between the pure and doped hosts absorption coefficients shows that this deeper band opens up more photon absorption channels and could therefore increase the solar-light absorption with respect to the host.