Navigation

HEAS Data Platform · Materials Science Database

Er4CuRu

Alexandria ALEX

Alex-ID: agm003744288 · Space group: P4/mmm (#123)

Basic Information

Formula
Er4CuRu
Alex-ID
agm003744288
Elements
3
Sites
6
Space group
P4/mmm (#123)
Crystal system
tetragonal
Volume
153.57
ų
Cell a
4.7713
Å
Cell b
4.7711
Å
Cell c
6.7459
Å
α angle
89.97
°
β angle
89.98
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Er4CuRu
Er
4.00 · 66.7%
Cu
1.00 · 16.7%
Ru
1.00 · 16.7%

Energy & Stability

Energy above hull
0.1733
eV/atom
Formation energy
-0.1492
eV/atom
Corrected total energy
-32.5822
eV
Raw total energy
-32.5822
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
5.6459
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

ABC4_169_spg123

Decomposition

Er3Ru ErCu

Computed at

2022-04-18 10:57:10.353684

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: agm003744288).

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 agm003744288
data_agm003744288
_cell_length_a     4.77129
_cell_length_b     4.77113
_cell_length_c     6.74593
_cell_angle_alpha  89.97086
_cell_angle_beta   89.97906
_cell_angle_gamma  89.99834
_cell_volume       153.56750
_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 0.50111 0.99682 0.25363 1.00000
  Er2 Er 0.50154 0.99763 0.74259 1.00000
  Er3 Er 0.00156 0.49761 0.74270 1.00000
  Er4 Er 0.00111 0.49688 0.25375 1.00000
  Cu1 Cu 0.50115 0.49752 0.99796 1.00000
  Ru1 Ru 0.00132 0.99727 0.49820 1.00000
Get direct link