<em>Ab initio</em> prediction of an order-disorder transition in <mml [electronic resource] : math xmlns mml="http //www.w3.org/1998/Math/MathML"><mml mrow><mml msub><mml mi>Mg</mml mi><mml mn>2</mml mn></mml msub><mml mi>Ge</mml mi><mml msub><mml mi mathvariant="normal">O</mml mi><mml mn>4</mml mn></mml msub></mml mrow></mml math> Implication for the nature of super-Earth's mantles.

Here we present an ab initio prediction of an order-disorder transition (ODT) from a I¯42d-type to Th₃P₄-type phase in the cation sublattices of Mg₂GeO₄, a post-post-perovskite phase. This uncommon type of pr...

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Bibliographic Details

Online Access:	Full Text (via OSTI)
Corporate Author:	United States. Department of Energy. Chicago Operations Office
Format:	Government Document Electronic eBook
Language:	English
Published:	Washington, D.C. : Oak Ridge, Tenn. : United States. Department of Energy. Office of Science ; Distributed by the Office of Scientific and Technical Information, U.S. Department of Energy, 2021.
Subjects:	36 materials science Materials science Entropy Geophysics Inorganic chemistry Materials Phase transitions Solidsolid transformations Transition temperature Solid-solid transformations