International Conference on Solid Compounds of Transition Elements (SCTE2012) (original) (raw)
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Tight-Binding/LMTO-ASA Studies of Transition Metal Alloys
1996
Tight-binding Hamiltonians for several elements and binary alloy compounds have been constructed using the LMTO-ASA-TB transformation. The accuracy of the TB Hamiltonian has been tested by examining densities of state and band structures, both of which give quite good agreement with LMTO-ASA below the Fermi level. We have found that the most localized transformation of the LMTO-ASA gives much better
2014
This study aimed to assess the effect of the dissemination of scientific knowledge on HIV / AIDS in three aspects: knowledge about the disease, attitudes toward condom use and social representation of AIDS risk. The research was carried out with high school students and consisted of two studies: one on receipt of an informational video (active and passive reception) and one on a simulated case of a scientific controversy. The results showed that the video information, in the condition of active reception, is effective in increasing knowledge, but does not affect participants’ attitudes regarding condom use. In the simulated case there was a significant increase in scientific knowledge and a favorable attitude was generated on the part of students. As for the social representations of AIDS risk, this research showed independent effects on the activation of elements of these representations. In the active reception condition participants associated AIDS risk with sex and prevention; i...
Revista Virtual de Química, 2013
An electrochromic material is one that has the ability to change its color reversibly to undergo redox reactions when stimulated by an electrical current or by an adequate potential difference. The electrochromic materials can be classified as transition metal oxides, intercalation materials or organic materials. This work has proposed to do a brief review of the class of organic electrochromic materials, giving greater emphasis to subclasses of viologens, phthalocyanines and transition metal complexes. These materials have a wide technological application, such as windows controllable transmittance (smart window) displays, rear-view mirrors for vehicles, among other applications.