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ErGaGe

Alexandria ALEX

Alex-ID: agm005663239 · Space group: Cmcm (#63)

Basic Information

Formula
ErGaGe
Alex-ID
agm005663239
Elements
3
Sites
6
Space group
Cmcm (#63)
Crystal system
orthorhombic
Volume
122.05
ų
Cell a
4.1310
Å
Cell b
5.5322
Å
Cell c
5.7567
Å
α angle
90.00
°
β angle
90.00
°
γ angle
111.92
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
ErGaGe
Er
2.00 · 33.3%
Ga
2.00 · 33.3%
Ge
2.00 · 33.3%

Energy & Stability

Energy above hull
0.0405
eV/atom
Formation energy
-0.6017
eV/atom
Corrected total energy
-28.0293
eV
Raw total energy
-28.0293
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0829
eV
DOS at Fermi level
1.8089
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

ABC_7752_spg40

Decomposition

Er12Ga9Ge11 ErGa3 Ge

Computed at

2023-06-17 09:02:50.395162

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: agm005663239).

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 agm005663239
data_agm005663239
_cell_length_a     4.13101
_cell_length_b     5.53219
_cell_length_c     5.75665
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  111.92305
_cell_volume       122.04622
_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 0.17783 0.35567 0.75000 1.00000
  Er2 Er 0.82217 0.64433 0.25000 1.00000
  Ga1 Ga 0.50000 0.00000 0.50000 1.00000
  Ga2 Ga 0.50000 0.00000 0.00000 1.00000
  Ge1 Ge 0.11770 0.23540 0.25000 1.00000
  Ge2 Ge 0.88230 0.76460 0.75000 1.00000
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