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Sm3Y7Tm2

Alexandria ALEX

Alex-ID: agm005602425 · Space group: Cmmm (#65)

Basic Information

Formula
Sm3Y7Tm2
Alex-ID
agm005602425
Elements
3
Sites
12
Space group
Cmmm (#65)
Crystal system
orthorhombic
Volume
391.65
ų
Cell a
19.2495
Å
Cell b
19.2495
Å
Cell c
3.5844
Å
α angle
90.00
°
β angle
90.00
°
γ angle
162.85
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Sm3Y7Tm2
Sm
3.00 · 25.0%
Y
7.00 · 58.3%
Tm
2.00 · 16.7%

Energy & Stability

Energy above hull
0.1250
eV/atom
Formation energy
0.1180
eV/atom
Corrected total energy
-66.9395
eV
Raw total energy
-66.9395
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0133
eV
DOS at Fermi level
19.8491
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

A2B3C7_104_spg10

Decomposition

SmY2 YTm2

Computed at

2023-06-15 16:47:29.930175

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: agm005602425).

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 agm005602425
data_agm005602425
_cell_length_a     19.24950
_cell_length_b     19.24950
_cell_length_c     3.58435
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  162.84932
_cell_volume       391.65456
_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 0.50000 0.50000 0.50000 1.00000
  Sm2 Sm 0.18385 0.81615 0.00000 1.00000
  Sm3 Sm 0.81615 0.18385 0.00000 1.00000
  Y1 Y 0.73055 0.26945 0.50000 1.00000
  Y2 Y 0.26945 0.73055 0.50000 1.00000
  Y3 Y 0.57244 0.42756 0.00000 1.00000
  Y4 Y 0.00000 0.00000 0.00000 1.00000
  Y5 Y 0.42756 0.57244 0.00000 1.00000
  Y6 Y 0.90767 0.09233 0.50000 1.00000
  Y7 Y 0.09233 0.90767 0.50000 1.00000
  Tm1 Tm 0.64695 0.35305 0.50000 1.00000
  Tm2 Tm 0.35305 0.64695 0.50000 1.00000
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