On the structural relaxation around Cr3+ along binary solid solutions (Articolo in rivista)

Type

• Articolo in rivista (Classe)
• Prodotto della ricerca (Classe)

Label

• On the structural relaxation around Cr3+ along binary solid solutions (Articolo in rivista) (literal)

Anno

• 2014-01-01T00:00:00+01:00 (literal)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi

• 10.1127/0935-1221/2014/0026-2375 (literal)

Alternative label

• Ardit, Matteo; Dondi, Michele; Cruciani, Giuseppe (2014)
  On the structural relaxation around Cr3+ along binary solid solutions
  in European journal of mineralogy (Print)
  (literal)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori

• Ardit, Matteo; Dondi, Michele; Cruciani, Giuseppe (literal)

Pagina inizio

• 359 (literal)

Pagina fine

• 370 (literal)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url

• http://www.scopus.com/record/display.url?eid=2-s2.0-84903779258&origin=inward (literal)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume

• 26 (literal)

Rivista

• European journal of mineralogy (Rivista)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo

• 3 (literal)

Note

• Scopu (literal)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni

• University of Ferrara; Istituto Di Scienza E Tecnologia Dei Materiali Ceramici, Faenza (literal)

Titolo

• On the structural relaxation around Cr3+ along binary solid solutions (literal)

Abstract

• The structural relaxation occurring along binary solid solutions (i.e. intended as the measure of the mismatch between average and local bond distances at a crystallographic site) was reappraised with the aim of revealing possible correlations of bulk properties with the departure of short-range from the long-range crystal structure. For this purpose, fourteen end-terms belonging to solid solutions, all characterized by Al3+<->Cr3+ replacement at octahedral site, were selected from literature among those of mineralogical interest (i.e. clinopyroxene, garnet, spinel, corundum, and perovskite, using alumoniobite as a check). Along with X-ray diffraction and electronic absorption spectroscopy data used to define the structural relaxation coefficient, bulk properties were available (density and bulk modulus) or were calculated (deviation from the closest sphere packing) for each end-term. The structural relaxation coefficients exhibit a linear inverse correlation with the difference between crystal field strengths of end-members (delta10Dq): the larger the deviation of local arrangement from average structure, the larger delta10Dq. Evidence that the structural framework, encompassing polyhedral arrangement and anion packing, affects the structural relaxation is presented and discussed. Solid solutions based on dense structures tend to relax less than those with a less compact atomic arrangement. The greater the difference in compressibility between end-members, the more the structure will behave as predicted by Vegard's law. (literal)

Prodotto di

• Tecnologie innovative per l'edilizia (SP.P01.037.003) (Modulo)
• Institute of science and technology for ceramics (ISTEC) (Istituto)

Autore CNR

• MICHELE DONDI (Unità di personale interno)

Insieme di parole chiave

• Parole chiave di "On the structural relaxation around Cr3+ along binary solid solutions" (Insieme di parole chiave)

Incoming links:

Prodotto

• Institute of science and technology for ceramics (ISTEC) (Istituto)
• Tecnologie innovative per l'edilizia (SP.P01.037.003) (Modulo)

Autore CNR di

• MICHELE DONDI (Unità di personale interno)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#rivistaDi

• European journal of mineralogy (Rivista)

Insieme di parole chiave di

• Parole chiave di "On the structural relaxation around Cr3+ along binary solid solutions" (Insieme di parole chiave)