GGA+U calculations on Fe16N2 identify a van Hove singularity near the Fermi level that links electron correlation to magnetic properties and the material's phase instability.
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Van Hove Singularity and Phase Instability: Exploring the Role of Electron Correlation in the Magnetic Behavior of $\mathrm{Fe}_{16}\mathrm{N}_2$
GGA+U calculations on Fe16N2 identify a van Hove singularity near the Fermi level that links electron correlation to magnetic properties and the material's phase instability.