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Er2Fe2Br

Alexandria ALEX

Alex-ID: agm044458835 · Space group: R-3m (#166)

Basic Information

Formula
Er2Fe2Br
Alex-ID
agm044458835
Elements
3
Sites
5
Space group
R-3m (#166)
Crystal system
trigonal
Volume
107.21
ų
Cell a
8.4697
Å
Cell b
8.4697
Å
Cell c
8.4697
Å
α angle
26.58
°
β angle
26.58
°
γ angle
26.58
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Er2Fe2Br
Er
2.00 · 40.0%
Fe
2.00 · 40.0%
Br
1.00 · 20.0%

Energy & Stability

Energy above hull
0.0069
eV/atom
Formation energy
-0.6212
eV/atom
Corrected total energy
-30.8299
eV
Raw total energy
-30.8299
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0064
eV
DOS at Fermi level
3.2805
Total magnetisation
1.7650
μB

Additional Information

Prototype ID

AB2C2_650_spg1

Decomposition

Er2Fe2Br

Computed at

2025-03-02 09:46:37

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: agm044458835).

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 agm044458835
data_agm044458835
_cell_length_a     8.46971
_cell_length_b     8.46971
_cell_length_c     8.46971
_cell_angle_alpha  26.57746
_cell_angle_beta   26.57746
_cell_angle_gamma  26.57746
_cell_volume       107.21468
_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
  Er1 Er 0.42722 0.42722 0.42722 1.00000
  Er2 Er 0.57278 0.57278 0.57278 1.00000
  Fe1 Fe 0.17063 0.17063 0.17063 1.00000
  Fe2 Fe 0.82937 0.82937 0.82937 1.00000
  Br1 Br 0.00000 0.00000 0.00000 1.00000
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