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Sm4YTm2Sc

Alexandria ALEX

Alex-ID: agm004855352 · Space group: P4/mmm (#123)

Basic Information

Formula
Sm4YTm2Sc
Alex-ID
agm004855352
Elements
4
Sites
8
Space group
P4/mmm (#123)
Crystal system
tetragonal
Volume
250.60
ų
Cell a
5.0530
Å
Cell b
5.0438
Å
Cell c
11.0502
Å
α angle
62.85
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Sm4YTm2Sc
Sm
4.00 · 50.0%
Y
1.00 · 12.5%
Tm
2.00 · 25.0%
Sc
1.00 · 12.5%

Energy & Stability

Energy above hull
0.0364
eV/atom
Formation energy
0.0331
eV/atom
Corrected total energy
-40.3666
eV
Raw total energy
-40.3666
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0028
eV
DOS at Fermi level
11.5262
Total magnetisation
0.0001
μB

Additional Information

Prototype ID

ABC2D4_443_spg123

Decomposition

Sm2Y Sm Sc SmTm2

Computed at

2022-07-20 10:33:02.561543

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: agm004855352).

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 agm004855352
data_agm004855352
_cell_length_a     5.05298
_cell_length_b     5.04383
_cell_length_c     11.05018
_cell_angle_alpha  62.85109
_cell_angle_beta   90.00007
_cell_angle_gamma  90.00023
_cell_volume       250.60025
_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 0.00000 0.75634 0.74385 1.00000
  Sm2 Sm 1.00000 0.24366 0.25615 1.00000
  Sm3 Sm 0.50000 0.74378 0.25604 1.00000
  Sm4 Sm 0.49999 0.25622 0.74396 1.00000
  Y1 Y 0.50000 0.50000 1.00000 1.00000
  Tm1 Tm 0.00000 0.00000 1.00000 1.00000
  Tm2 Tm 0.50000 0.00000 0.50000 1.00000
  Sc1 Sc 0.00000 0.49999 0.50000 1.00000
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