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FeCu2Si

Alexandria ALEX

Alex-ID: agm003794635 · Space group: Immm (#71)

Basic Information

Formula
FeCu2Si
Alex-ID
agm003794635
Elements
3
Sites
4
Space group
Immm (#71)
Crystal system
orthorhombic
Volume
46.40
ų
Cell a
4.9629
Å
Cell b
4.9629
Å
Cell c
4.9629
Å
α angle
148.70
°
β angle
132.59
°
γ angle
57.92
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
FeCu2Si
Cu
2.00 · 50.0%
Fe
1.00 · 25.0%
Si
1.00 · 25.0%

Energy & Stability

Energy above hull
0.2367
eV/atom
Formation energy
-0.0179
eV/atom
Corrected total energy
-22.2772
eV
Raw total energy
-22.2772
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0066
eV
DOS at Fermi level
2.2056
Total magnetisation
0.9581
μB

Additional Information

Prototype ID

ABC2_6853_spg71

Decomposition

Cu FeSi

Computed at

2023-03-04 05:17:33.796846

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: agm003794635).

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 agm003794635
data_agm003794635
_cell_length_a     4.96287
_cell_length_b     4.96287
_cell_length_c     4.96287
_cell_angle_alpha  148.70178
_cell_angle_beta   132.58531
_cell_angle_gamma  57.91600
_cell_volume       46.39860
_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
  Cu1 Cu 0.01443 0.01443 1.00000 1.00000
  Cu2 Cu 0.48557 0.48557 0.00000 1.00000
  Fe1 Fe 0.75000 0.25000 0.50000 1.00000
  Si1 Si 0.25000 0.75000 0.50000 1.00000
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