Matches in SemOpenAlex for { <https://semopenalex.org/work/W2015992858> ?p ?o ?g. }
- W2015992858 abstract "The local vibrational dynamics of hematite (α-Fe2O3) has been investigated by temperature-dependent extended x-ray absorption fine structure spectroscopy and molecular dynamics simulations. The local dynamics of both the short and long nearest-neighbor Fe-O distances has been singled out, i.e., their local thermal expansion and the parallel and perpendicular mean-square relative atomic displacements have been determined, obtaining a partial agreement with molecular dynamics. No evidence of the Morin transition has been observed. More importantly, the strong anisotropy of relative thermal vibrations found for the short Fe-O distance has been related to its negative thermal expansion. The differences between the local dynamics of short and long Fe-O distances are discussed in terms of projection and correlation of atomic motion. As a result, we can conclude that the short Fe-O bond is stiffer to stretching and softer to bending than the long Fe-O bond." @default.
- W2015992858 created "2016-06-24" @default.
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- W2015992858 date "2014-06-12" @default.
- W2015992858 modified "2023-10-13" @default.
- W2015992858 title "Local vibrational dynamics of hematite (α-Fe2O3) studied by extended x-ray absorption fine structure and molecular dynamics" @default.
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- W2015992858 doi "https://doi.org/10.1063/1.4882282" @default.
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