Navigation

HEAS Data Platform · Materials Science Database

Sm2Er3Ga4

Alexandria ALEX

Alex-ID: agm005683387 · Space group: P2_1/c (#14)

Basic Information

Formula
Sm2Er3Ga4
Alex-ID
agm005683387
Elements
3
Sites
18
Space group
P2_1/c (#14)
Crystal system
monoclinic
Volume
452.33
ų
Cell a
7.5129
Å
Cell b
7.9187
Å
Cell c
7.9433
Å
α angle
90.00
°
β angle
90.00
°
γ angle
106.83
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Sm2Er3Ga4
Sm
4.00 · 22.2%
Er
6.00 · 33.3%
Ga
8.00 · 44.4%

Energy & Stability

Energy above hull
0.0000
eV/atom
Formation energy
-0.5822
eV/atom
Corrected total energy
-81.0035
eV
Raw total energy
-81.0035
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
15.9968
Total magnetisation
0.0001
μB

Additional Information

Prototype ID

A2B3C4_99_spg14

Decomposition

Sm2Er3Ga4

Computed at

2023-06-27 02:09:31.513550

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: agm005683387).

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 agm005683387
data_agm005683387
_cell_length_a     7.51293
_cell_length_b     7.91874
_cell_length_c     7.94325
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  106.82962
_cell_volume       452.32709
_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
  Sm1 Sm 0.57448 0.19147 0.31827 1.00000
  Sm2 Sm 0.92552 0.80853 0.81827 1.00000
  Sm3 Sm 0.42552 0.80853 0.68173 1.00000
  Sm4 Sm 0.07448 0.19147 0.18173 1.00000
  Er1 Er 0.00000 0.50000 0.50000 1.00000
  Er2 Er 0.50000 0.50000 0.00000 1.00000
  Er3 Er 0.75081 0.24090 0.82477 1.00000
  Er4 Er 0.74919 0.75910 0.32477 1.00000
  Er5 Er 0.24919 0.75910 0.17523 1.00000
  Er6 Er 0.25081 0.24090 0.67523 1.00000
  Ga1 Ga 0.86611 0.08068 0.52959 1.00000
  Ga2 Ga 0.63389 0.91932 0.02959 1.00000
  Ga3 Ga 0.13389 0.91932 0.47041 1.00000
  Ga4 Ga 0.36611 0.08068 0.97041 1.00000
  Ga5 Ga 0.87754 0.49309 0.12099 1.00000
  Ga6 Ga 0.62246 0.50691 0.62099 1.00000
  Ga7 Ga 0.12246 0.50691 0.87901 1.00000
  Ga8 Ga 0.37754 0.49309 0.37901 1.00000
Get direct link