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Dynamical stability of body center cubic iron at the Earth’s core conditions

Here, using self-consistent ab initio lattice dynamical calculations that go beyond the quasiharmonic approximation, we show that the high-pressure high-temperature bcc-Fe phase is dynamically stable. In this treatment the temperature-dependent phonon spectra are derived by exciting all the lattice...

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Autors principals: Luo, Wei, Johansson, Börje, Eriksson, Olle, Arapan, Sergiu, Souvatzis, Petros, Katsnelson, Mikhail I., Ahuja, Rajeev
Format: Artigo
Idioma:Inglês
Publicat: National Academy of Sciences 2010
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Accés en línia:https://ncbi.nlm.nih.gov/pmc/articles/PMC2890460/
https://ncbi.nlm.nih.gov/pubmed/20479276
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1073/pnas.1004076107
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