Zobrazeno 1 - 10
of 70
pro vyhledávání: '"R. Larico"'
Publikováno v:
Brazilian Journal of Chemical Engineering, Volume: 25, Issue: 2, Pages: 409-418, Published: JUN 2008
Brazilian Journal of Chemical Engineering, Vol 25, Iss 2, Pp 409-418 (2008)
Brazilian Journal of Chemical Engineering v.25 n.2 2008
Brazilian Journal of Chemical Engineering
Associação Brasileira de Engenharia Química (ABEQ)
instacron:ABEQ
Brazilian Journal of Chemical Engineering, Vol 25, Iss 2, Pp 409-418 (2008)
Brazilian Journal of Chemical Engineering v.25 n.2 2008
Brazilian Journal of Chemical Engineering
Associação Brasileira de Engenharia Química (ABEQ)
instacron:ABEQ
Vapor-liquid equilibrium calculations require global minimization of deviations in pressure and gas phase compositions. In this work, two versions of a stochastic global optimization technique, the genetic algorithm, the freeware MyGA program, and th
Publikováno v:
Physica B: Condensed Matter. :292-295
We carried an ab initio investigation on the microscopic structure of complexes in diamond involving interstitial nickel. The calculations were performed using an all electron total energy methodology, based on the full-potential approximation. We co
Publikováno v:
Materials Science Forum. :1043-1046
The electronic and structural properties of nickel-vacancy complexes in diamond were investigated by a total energy ab initio methodology. These results are discussed in the context of the electrically active centers, commonly found in synthetic diam
Publikováno v:
Computational Materials Science. 30:62-66
We carried a theoretical investigation on the electronic and structural properties of isolated substitutional and interstitial nickel impurities in diamond. The calculations were performed within the spin-polarized FP-LAPW (full-potential linearized
Publikováno v:
Physica B: Condensed Matter. :84-88
We carried out a theoretical investigation on the electronic and structural properties of substitutional and interstitial nickel impurities in diamond. The atomic structures, symmetries, acceptor and donor transition energies, and formation energies
Publikováno v:
Brazilian Journal of Physics. 36:267-269
We present a theoretical investigation on the properties of interstitial nickel and its related complexes in diamond. The atomic configurations, symmetries, spins, and energetics of interstitial nickel, nickel-boron and nickel-vacancy complexes were
Publikováno v:
Diamond and Related Materials. 14:380-382
We carried out a theoretical investigation on the properties of nickel-related active centers found in synthetic diamond. The atomic configurations, symmetries, and energetics of isolated nickel and nickel–boron pairs were computed using a total en
Publikováno v:
Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP
Universidade de São Paulo (USP)
instacron:USP
Ferropericlase (Mg,Fe)O is a major lower mantle mineral, and studying its properties is a fundamental step toward understanding the Earth's interior. Here, we performed a first-principles investigation on the properties of iron as an isolated impurit
Publikováno v:
Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP
Universidade de São Paulo (USP)
instacron:USP
An iron-related high-to-low spin transition in ferropericlase, (MgFe)O, has been identified at high pressures. Since this is one of the major minerals of Earth's lower mantle, and the respective transition occurs at mantle pressure and temperature co
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7f40fe6f52142a9d0eb32ae46facb8d9
Publikováno v:
Brazilian Journal of Physics. 34:669-671
Isolated nickel impurities in diamond have been investigated using the spin-polarized full-potential linearized augmented plane wave total energy method. The electronic and atomic structures, symmetries, transition energies, and formation energies of