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EuroSLAB - The rheology of the subducting slab and mantle : Final report EuroSLAB Trieste IP
Sandro Scandolo, Luigi Giacomazzi, 2011, final research report

Abstract: The aim of this Individual Project was to study the microscopic phenomena of deformation in mantle minerals by means of atomistic modeling. Understanding such mechanisms and determining their relative importance in different minerals and in the wide range of pressure and temperature found in the mantle, is a prerequisite for any interpretation of deformation experiments, of texture modeling, and of their geophysical implications. The project was approved for funding in mid 2006, and was carried out in large part in collaboration with a postdoctoral fellow funded by CNR (Luigi Giacomazzi), whose fellowship ended on December 15, 2009.
Keywords: gypsum, coesite, silica, dislocations, rheology
Published in RUNG: 08.04.2019; Views: 3005; Downloads: 0
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Investigating silica from first-principles
Luigi Giacomazzi, other performed works

Abstract: Silica (SiO2 ) is a prototypical binary compound showing a complex phase diagram. It is the most abundant mineral in the Earth’s crust, and it has many important technological applications. From a theoretical point of view, SiO2 is a benchmark requiring both accurate atomistic models and a multi-scale approach. As an example of the capabilities of state- of-the-art theoretical modeling, we discuss the vibrational spectra of vitreous SiO2 with particular attention to the information that these spectra can provide on the medium-range structure of the oxide network. Then, as an example of multi-scale approach we present our work on dislocations in coesite within the framework of the Peierls-Nabarro model.
Keywords: silica, coesite, dislocations, Peierls-Nabarro
Published in RUNG: 08.04.2019; Views: 3019; Downloads: 0
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Generalized stacking fault energy surfaces and dislocation properties of coesite
Luigi Giacomazzi, Sandro Scandolo, 2009, published scientific conference contribution abstract

Keywords: coesite, first-principles, dislocations, sio2
Published in RUNG: 02.11.2018; Views: 3235; Downloads: 0
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Dislocation properties of coesite from an ab-initio parametrized interatomic potential
Luigi Giacomazzi, Philippe Carrez, Sandro Scandolo, Patrique Cordier, 2011, original scientific article

Keywords: coesite, ab-initio, dislocations, silica
Published in RUNG: 15.10.2018; Views: 3098; Downloads: 0
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