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Er3Mg2Al

Alexandria ALEX

Alex-ID: agm021125044 · Space group: Cmmm (#65)

Basic Information

Formula
Er3Mg2Al
Alex-ID
agm021125044
Elements
3
Sites
12
Space group
Cmmm (#65)
Crystal system
orthorhombic
Volume
302.81
ų
Cell a
8.2611
Å
Cell b
8.2611
Å
Cell c
7.4031
Å
α angle
90.00
°
β angle
90.00
°
γ angle
143.18
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Er3Mg2Al
Er
6.00 · 50.0%
Mg
4.00 · 33.3%
Al
2.00 · 16.7%

Energy & Stability

Energy above hull
0.0040
eV/atom
Formation energy
-0.1956
eV/atom
Corrected total energy
-43.5941
eV
Raw total energy
-43.5941
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0494
eV
DOS at Fermi level
10.3726
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2C3_229_spg2

Decomposition

Er2MgAl ErMg

Computed at

2024-12-08 15:06:30

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: agm021125044).

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 agm021125044
data_agm021125044
_cell_length_a     8.26112
_cell_length_b     8.26112
_cell_length_c     7.40310
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  143.17676
_cell_volume       302.81064
_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 0.82883 0.17117 0.76366 1.00000
  Er2 Er 0.50000 0.50000 0.24232 1.00000
  Er3 Er 0.17117 0.82883 0.23634 1.00000
  Er4 Er 0.82883 0.17117 0.23634 1.00000
  Er5 Er 0.17117 0.82883 0.76366 1.00000
  Er6 Er 0.50000 0.50000 0.75768 1.00000
  Mg1 Mg 0.00000 0.00000 0.00000 1.00000
  Mg2 Mg 0.00000 0.00000 0.50000 1.00000
  Mg3 Mg 0.33457 0.66543 0.50000 1.00000
  Mg4 Mg 0.66543 0.33457 0.50000 1.00000
  Al1 Al 0.33895 0.66105 0.00000 1.00000
  Al2 Al 0.66105 0.33895 0.00000 1.00000
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