High-pressure crystal structure investigation of synthetic Fe2SiO4 spinel (Articolo in rivista)

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Label
  • High-pressure crystal structure investigation of synthetic Fe2SiO4 spinel (Articolo in rivista) (literal)
Anno
  • 2011-01-01T00:00:00+01:00 (literal)
Alternative label
  • Nestola, F (1,2) ; Balic-Zunic, T (3) ; Koch-Muller, M (4) ; Secco, L (1); Princivalle, F (5); Parisi, F (5) ; Dal Negro, A (1) (2011)
    High-pressure crystal structure investigation of synthetic Fe2SiO4 spinel
    in Mineralogical magazine (Online); Mineralogical Society of Great Britain and Ireland, LONDON (Regno Unito)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Nestola, F (1,2) ; Balic-Zunic, T (3) ; Koch-Muller, M (4) ; Secco, L (1); Princivalle, F (5); Parisi, F (5) ; Dal Negro, A (1) (literal)
Pagina inizio
  • 2649 (literal)
Pagina fine
  • 2655 (literal)
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  • ID_PUMA:/cnr.igg/2011-A0-046 Area di valutazione 04 - Scienze della Terra (literal)
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  • http://minmag.geoscienceworld.org/ (literal)
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  • 75 (literal)
Rivista
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  • 5 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • (1) Univ Padua, Dipartimento Geosci, I-35131 Padua, Italy; (2) CNR IGG UO Padova, I-35131 Padua, Italy; (3) Univ Copenhagen, Nat Hist Museum Denmark, DK-1350 Copenhagen, Denmark; (4) Helmholtz Zentrum Potsdam, GFZ, D-14473 Potsdam, Germany; (5) Univ Trieste, Dipartimento Geosci, I-34127 Trieste, Italy. (literal)
Titolo
  • High-pressure crystal structure investigation of synthetic Fe2SiO4 spinel (literal)
Abstract
  • The crystal structure of Fe2SiO4 spinel at room temperature was investigated at seven different pressures by X-ray diffraction, using a diamond anvil cell to examine the influence of Fe substitution on ringwoodite behaviour at high pressure. The results compared with those of a pure Mg endmember show that the substitution of Fe into the spinel structure causes only small changes in the compression rate of coordination polyhedra and the distortion of the octahedron. The data show that the compression rate for the octahedron and tetrahedron in (Mg,Fe)2SiO4 can be considered statistically equal for FeO6 and MgO6, as well as for SiO4 in both the endmembers. This shows why almost identical bulk moduli are reported along the solid solution in recent literature. (literal)
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