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Fe7Co

Alexandria ALEX

Alex-ID: agm047688290 · Space group: P4/mmm (#123)

Basic Information

Formula
Fe7Co
Alex-ID
agm047688290
Elements
2
Sites
8
Space group
P4/mmm (#123)
Crystal system
tetragonal
Volume
91.87
ų
Cell a
2.8394
Å
Cell b
2.8394
Å
Cell c
11.3950
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Fe7Co
Fe
7.00 · 87.5%
Co
1.00 · 12.5%

Energy & Stability

Energy above hull
0.0082
eV/atom
Formation energy
-0.0127
eV/atom
Corrected total energy
-66.4644
eV
Raw total energy
-66.4644
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
6.8696
Total magnetisation
18.2901
μB

Additional Information

Prototype ID

AB7_84_spg115

Decomposition

Fe4Co Fe

Computed at

2025-02-07 01:39:19

Citation

Alexandria website
https://alexandria.icams.rub.de/
Attribution

The crystal structure and related material properties of this entry were obtained from the Alexandria database (Alex-ID: agm047688290).

Reference

Th. Cavignac, J. Schmidt, P.-P. De Breuck, A. Loew, T. F. T. Cerqueira, H.-C. Wang, A. Bochkarev, Y. Lysogorskiy, A. H. Romero, R. Drautz, S. Botti and M. A. L. Marques. AI-Driven expansion and application of the Alexandria database. J. Phys. Mater. 9, 025014 (2026). https://doi.org/10.1088/2515-7639/ae6620

BibTeX
@article{Cavignac2026Alexandria,
  author  = {Cavignac, Th{\'e}o and Schmidt, Jonathan and De Breuck, Pierre-Paul and Loew, Antoine
             and Cerqueira, Tiago F. T. and Wang, Hai-Chen and Bochkarev, Anton
             and Lysogorskiy, Yury and Romero, Aldo H. and Drautz, Ralf and Botti, Silvana
             and Marques, Miguel A. L.},
  title   = {{AI}-Driven expansion and application of the {A}lexandria database},
  journal = {Journal of Physics: Materials},
  year    = {2026},
  volume  = {9},
  number  = {2},
  pages   = {025014},
  doi     = {10.1088/2515-7639/ae6620},
  url     = {https://doi.org/10.1088/2515-7639/ae6620}
}

3D Crystal Structure Rendering

Loading 3D structure…

Style: Ball & Stick
Raw CIF Data
# CIF generated by HEAS from Alexandria entry agm047688290
data_agm047688290
_cell_length_a     2.83944
_cell_length_b     2.83944
_cell_length_c     11.39497
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       91.87083
_symmetry_space_group_name_H-M 'P 1'
_symmetry_Int_Tables_number 1
loop_
_symmetry_equiv_pos_as_xyz
  'x, y, z'
loop_
_atom_site_label
_atom_site_type_symbol
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
  Fe1 Fe 0.00000 0.00000 0.87579 1.00000
  Fe2 Fe 0.00000 0.00000 0.12421 1.00000
  Fe3 Fe 0.00000 0.00000 0.37542 1.00000
  Fe4 Fe 0.00000 0.00000 0.62458 1.00000
  Fe5 Fe 0.50000 0.50000 0.25110 1.00000
  Fe6 Fe 0.50000 0.50000 0.50000 1.00000
  Fe7 Fe 0.50000 0.50000 0.74890 1.00000
  Co1 Co 0.50000 0.50000 0.00000 1.00000
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