Activation volume of silicon diffusion in San Carlos olivine | Zendy

Béjina F. | Zendy; Raterron P. | Zendy; Zhang J. | Zendy; Jaoul O. | Zendy; Liebermann R. C. | Zendy

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Activation volume of silicon diffusion in San Carlos olivine

Author(s) -

Béjina F.,

Raterron P.,

Zhang J.,

Jaoul O.,

Liebermann R. C.

Publication year - 1997

Publication title -

geophysical research letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.007

H-Index - 273

eISSN - 1944-8007

pISSN - 0094-8276

DOI - 10.1029/97gl02735

Subject(s) - olivine , silicon , diffusion , volume (thermodynamics) , mineralogy , materials science , tracer , geology , analytical chemistry (journal) , thermodynamics , chemistry , physics , metallurgy , nuclear physics , chromatography

The activation volume of silicon diffusion (V si ) in olivine is reported for the first time. Specimens of San Carlos olivine single crystal were annealed at 1763 K and at pressures to 9 GPa in an uniaxial split‐sphere apparatus. 30 Si was used as tracer and the diffusion profiles were analyzed using the resonant nuclear reaction 30 Si(p,γ). We obtain V si = (−1.9 ± 2.4)×10 −6 m³/mol with a more probable value close to zero.

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