Navigation

HEAS Data Platform · Materials Science Database

SmHoGeRu

Alexandria ALEX

Alex-ID: agm005204722 · Space group: Amm2 (#38)

Basic Information

Formula
SmHoGeRu
Alex-ID
agm005204722
Elements
4
Sites
4
Space group
Amm2 (#38)
Crystal system
orthorhombic
Volume
91.20
ų
Cell a
4.2860
Å
Cell b
3.8620
Å
Cell c
5.9117
Å
α angle
90.00
°
β angle
111.25
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
SmHoGeRu
Sm
1.00 · 25.0%
Ho
1.00 · 25.0%
Ge
1.00 · 25.0%
Ru
1.00 · 25.0%

Energy & Stability

Energy above hull
0.0483
eV/atom
Formation energy
-0.5995
eV/atom
Corrected total energy
-25.5931
eV
Raw total energy
-25.5931
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0613
eV
DOS at Fermi level
1.9625
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

ABCD_24_spg38

Decomposition

HoGeRu Sm4Ge3 HoRu2 Ho4Ru3

Computed at

2022-07-10 12:18:45.146339

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: agm005204722).

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 agm005204722
data_agm005204722
_cell_length_a     4.28604
_cell_length_b     3.86198
_cell_length_c     5.91172
_cell_angle_alpha  90.00000
_cell_angle_beta   111.25405
_cell_angle_gamma  90.00000
_cell_volume       91.19855
_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 0.85045 0.50000 0.70089 1.00000
  Ho1 Ho 0.13163 0.00000 0.26326 1.00000
  Ge1 Ge 0.43331 0.00000 0.86661 1.00000
  Ru1 Ru 0.58462 0.50000 0.16923 1.00000
Get direct link