random selection: Co-N (183 entries found)
Displaying 7 entries out of 7 entries found.
Crystallographic data Sstructural stability [Footnotes] Magnetic properties [Footnotes, magnetic units] Methods References
Materials ID Formula Formula units per cell Atomic sites per cell Crystal system Space group [Number] Formation energy (eV/atom) Energy relative to convex hull (eV/atom) Structure search Averaged magnetic moment (μB/atom) Magnetic polarization, Js (T) Magnetic easy axis Magnetic anisotropy constants:
Ka-c, Kb-c, Kb-a, Kd-a (MJ/m3)
Curie temperature, TC (K) Methods References
MMD-53 Fe3Co3N 2 14 orthorhombic Pmmm [47] -0.019 0.058 AGA search 1.59 1.74 c 0.70 0.71 0.01 . . DFT DOI link
MMD-55 Fe3Co3N 2 14 tetragonal P4/mmm [123] -0.011 0.066 AGA search 1.72 1.86 c 1.37 . . . . DFT DOI link
MMD-54 Fe3Co3N 2 14 orthorhombic Pmm2 [25] -0.018 0.059 AGA search 1.60 1.76 c 0.88 1.08 0.20 . . DFT DOI link
MMD-453 Fe3Co3N 2 14 orthorhombic Pmmm [47] -0.019 0.058 AGA search 1.59 1.74 a -0.70 0.01 0.71 . . DFT MS
MMD-455 Fe3Co3N 2 14 orthorhombic Pmm2 [25] -0.018 0.059 AGA search 1.60 1.76 c 0.88 1.08 0.20 . . DFT MS
MMD-454 Fe3Co3N 2 14 tetragonal P-4m2 [115] -0.018 0.059 AGA search 1.59 1.74 c 0.69 . . . . DFT MS
MMD-365 Fe3Co3N 2 14 orthorhombic Pmmm [47] -0.019 0.058 AGA search 1.59 1.74 a -0.70 0.01 0.71 . . DFT MS

Footnotes:
  1. Formation energy:
    We perform DFT calculations to calculate the total enegies of all the structures. The formation energy is computed with respect to a linear combination of the total energies of reference elemental phases. When the formation energies are plotted as a function of chemical composition, a set of stable compounds forms a convex hull, which represents a boundary (theoretical lower limit) in a compositional phase diagram. Metastable compounds lie above the hull, and the energy relative to the hull (distance to the hull) is a useful quantity to examine the metastability of a new compound. The lower the formation energy above the convex hull, the more likely it is for the material to exist.
  2. Magnetic anisotropy constants:
    Magnetic anisotropy constant, Ka-c, is defined as Ka-c = Ea-Ec, where Ea and Ec are the total energies per volume for the magnetization oriented along the crystallographic a and c axes, respectively. Similarly, Kb-c and Kb-a are defined as Kb-c = Eb-Ec and Kb-a = Eb-Ea, respectively. For cubic crystal systems, magnetic anisotropy constant is calculated as Kd-a = Ed-Ea, where Ed is the total energy per volume for the magnetization oriented along the body-diagonal direction of the unit cell.

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