Publication details

Ab initio study of changes in magnetism of iron during the bcc-hcp phase transformation

Authors

ŠOB Mojmír FRIÁK Martin WANG L.G. VITEK Václav

Year of publication 1999
Type Article in Proceedings
Conference MRS Symposium Proceedings
MU Faculty or unit

Faculty of Science

Citation
Field Solid matter physics and magnetism
Keywords Ab initio calculations; phase transformations; magnetism
Description The pressure-induced bcc-hcp transformation in iron is studied ab initio by following a constant-volume one-parameter transformation path. The calculations are performed in the generalized gradient approximation (GGA). It is shown that the analysis of both spin-polarized and non-spin-polarized states is essential in order to correctly obtain the energetics of the phase transformation. Our calculations make it possible to locate, with high precision, the transition configuration at which the bcc ferromagnetic structure transforms into the hcp nonmagnetic structure.

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