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- W2996013911 endingPage "166312" @default.
- W2996013911 startingPage "166312" @default.
- W2996013911 abstract "Density functional theory is applied to investigate the relative stability of Fe in different phases (bcc, fcc and hcp) for both the nonmagnetic (NM), ferromagnetic (FM) and anti-ferromagnetic (AFM) states as well as the effect of pressure. From the calculated enthalpy as a function of pressure, we predict the phase transition pathway for Fe at T = 0 K as: bccFM→10GPahcpAFM2→30.2GPahcpNM→116GPafccFM. A new intermediate, which is the hcp (AFM2) phase, was obtained. The resulting enthalpy of each phase indicates that the hcp AFM2 phase is more favorable than the hcp NM phase, thus we suggest the existence of novel transition under pressure from bcc FM to hcp AFM2 phase around 10 GPa. The calculated elastic constants Cij for the preferred pressure induced transition phases satisfy the criteria for elastic stability. Also these phases are dynamically stable based on the phonon dispersion and phonon total density of states considerations." @default.
- W2996013911 created "2019-12-26" @default.
- W2996013911 creator A5029280494 @default.
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- W2996013911 creator A5087243705 @default.
- W2996013911 creator A5088799572 @default.
- W2996013911 creator A5090022633 @default.
- W2996013911 date "2020-04-01" @default.
- W2996013911 modified "2023-09-27" @default.
- W2996013911 title "Competition between the hcp nonmagnetic and antiferromagnetic phases in the transition path of Fe under pressure" @default.
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- W2996013911 doi "https://doi.org/10.1016/j.jmmm.2019.166312" @default.
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