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SmErAsS

Alexandria ALEX

Alex-ID: agm005199568 · Space group: R3m (#160)

Basic Information

Formula
SmErAsS
Alex-ID
agm005199568
Elements
4
Sites
4
Space group
R3m (#160)
Crystal system
trigonal
Volume
95.89
ų
Cell a
3.9757
Å
Cell b
3.9762
Å
Cell c
7.3707
Å
α angle
90.00
°
β angle
105.64
°
γ angle
120.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
SmErAsS
Sm
1.00 · 25.0%
Er
1.00 · 25.0%
As
1.00 · 25.0%
S
1.00 · 25.0%

Energy & Stability

Energy above hull
0.1127
eV/atom
Formation energy
-1.8475
eV/atom
Corrected total energy
-25.4535
eV
Raw total energy
-24.7901
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.1136
eV
DOS at Fermi level
2.5293
Total magnetisation
0.3245
μB

Additional Information

Prototype ID

ABCD_113_spg8

Decomposition

Sm3AsS2 Er3As2S

Computed at

2022-07-10 18:37:19.544854

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: agm005199568).

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 agm005199568
data_agm005199568
_cell_length_a     3.97569
_cell_length_b     3.97616
_cell_length_c     7.37071
_cell_angle_alpha  90.00423
_cell_angle_beta   105.63512
_cell_angle_gamma  120.00088
_cell_volume       95.89281
_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 0.96268 0.37938 0.35709 1.00000
  Er1 Er 0.30914 0.55246 0.87691 1.00000
  As1 As 0.12722 0.96158 0.10400 1.00000
  S1 S 0.47886 0.13738 0.63167 1.00000
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