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Sm2HoEr4

Alexandria ALEX

Alex-ID: agm012286642 · Space group: R-3m (#166)

Basic Information

Formula
Sm2HoEr4
Alex-ID
agm012286642
Elements
3
Sites
7
Space group
R-3m (#166)
Crystal system
trigonal
Volume
221.28
ų
Cell a
19.9019
Å
Cell b
19.9019
Å
Cell c
19.9019
Å
α angle
10.36
°
β angle
10.36
°
γ angle
10.36
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Sm2HoEr4
Sm
2.00 · 28.6%
Ho
1.00 · 14.3%
Er
4.00 · 57.1%

Energy & Stability

Energy above hull
0.0348
eV/atom
Formation energy
0.0291
eV/atom
Corrected total energy
-32.0733
eV
Raw total energy
-32.0733
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
10.5990
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2C4_1248_spg166

Decomposition

Sm2HoEr6 Sm2Er7 Sm3(HoEr2)2

Computed at

2025-04-19 07:12:19

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: agm012286642).

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 agm012286642
data_agm012286642
_cell_length_a     19.90190
_cell_length_b     19.90190
_cell_length_c     19.90190
_cell_angle_alpha  10.35764
_cell_angle_beta   10.35764
_cell_angle_gamma  10.35764
_cell_volume       221.27664
_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 0.80920 0.80920 0.80920 1.00000
  Sm2 Sm 0.19080 0.19080 0.19080 1.00000
  Ho1 Ho 0.00000 0.00000 0.00000 1.00000
  Er1 Er 0.61969 0.61969 0.61969 1.00000
  Er2 Er 0.90616 0.90616 0.90616 1.00000
  Er3 Er 0.38031 0.38031 0.38031 1.00000
  Er4 Er 0.09384 0.09384 0.09384 1.00000
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