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Tb4SmTm2

Alexandria ALEX

Alex-ID: agm012115335 · Space group: R-3m (#166)

Alexandria Database API

Basic Information

Formula
Tb4SmTm2
Alex-ID
agm012115335
Elements
3
Sites
7
Space group
R-3m (#166)
Crystal system
trigonal
Volume
222.94
ų
Cell a
19.9035
Å
Cell b
19.9035
Å
Cell c
19.9035
Å
α angle
10.40
°
β angle
10.40
°
γ angle
10.40
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Tb4SmTm2
Tb
4.00 · 57.1%
Sm
1.00 · 14.3%
Tm
2.00 · 28.6%

Energy & Stability

Energy above hull
0.0324
eV/atom
Formation energy
0.0281
eV/atom
Corrected total energy
-31.9990
eV
Raw total energy
-31.9990
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
11.9361
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2C4_8_spg166

Decomposition

Tb4SmTm4 Tb5Sm Tb2Sm

Computed at

2025-04-01 20:56:32

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: agm012115335).

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 agm012115335
data_agm012115335
_cell_length_a     19.90353
_cell_length_b     19.90353
_cell_length_c     19.90353
_cell_angle_alpha  10.39557
_cell_angle_beta   10.39557
_cell_angle_gamma  10.39557
_cell_volume       222.94156
_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
  Tb1 Tb 0.30982 0.30982 0.30982 1.00000
  Tb2 Tb 0.11832 0.11832 0.11832 1.00000
  Tb3 Tb 0.69018 0.69018 0.69018 1.00000
  Tb4 Tb 0.88168 0.88168 0.88168 1.00000
  Sm1 Sm 0.50000 0.50000 0.50000 1.00000
  Tm1 Tm 0.40431 0.40431 0.40431 1.00000
  Tm2 Tm 0.59569 0.59569 0.59569 1.00000
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