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First principles study of the stability of SiNF
Language
en
Article de revue
This item was published in
Computational Materials Science. 2005, vol. 34, n° 1, p. 22-34
Elsevier
English Abstract
Due to the simultaneous presence of both strongly ionic and covalent bonds, nitrofluorides are a new class of materials likely to lead to original properties in view of the uprise of nanotechnology in the case of a chemical ...Read more >
Due to the simultaneous presence of both strongly ionic and covalent bonds, nitrofluorides are a new class of materials likely to lead to original properties in view of the uprise of nanotechnology in the case of a chemical bond ordering. Different structural setups are proposed for SiNF based on SiO2 polymorphs, on pyrite and fluorite-type structures. For all structures full geometry optimisations were carried out using a pseudo-potential method—VASP—built within the well-established density functional theory leading to propose a stishovite-derived orthorhombic structure as the most stable variety.Read less <
Italian Keywords
Silicon nitrofluorides
DFT
LDA
Ultra soft-pseudo-potentials
ASW
Origin
Hal imported