Stability of the MgSiO3 analog NaMgF3 and its implication for mantle structure in super-Earths

Stability of the MgSiO3 analog NaMgF3 and its implication for mantle structure in super-Earths

First-principles calculations on MgSiO(subscript 3) suggested a breakdown into MgO + SiO(subscript 2) at pressure above 1000 GPa with an extremely large negative Clapeyron slope, isolating the lowermost mantles of larger super-Earths (∼10M ⊕) from convection. Similar calculations predicted the same...

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Bibliographic Details
Main Authors: Grocholski, Brent (Contributor), Shim, Sang-Heon Dan (Contributor), Prakapenka, V. B. (Author)
Other Authors: Massachusetts Institute of Technology. Department of Earth, Atmospheric, and Planetary Sciences (Contributor)
Format: Article
Language:English
Published: American Geophysical Union, 2011-03-02T13:12:51Z.
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