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Tb4SmTm2

Alexandria ALEX

Alex-ID: agm017124883 · Space group: I4/mmm (#139)

Basic Information

Formula
Tb4SmTm2
Alex-ID
agm017124883
Elements
3
Sites
7
Space group
I4/mmm (#139)
Crystal system
tetragonal
Volume
221.17
ų
Cell a
17.7625
Å
Cell b
17.7625
Å
Cell c
17.7625
Å
α angle
168.54
°
β angle
168.54
°
γ angle
16.23
°

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
0.0264
eV/atom
Formation energy
0.0222
eV/atom
Corrected total energy
-32.0405
eV
Raw total energy
-32.0405
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
9.8289
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2C4_937_spg65

Decomposition

Tb4SmTm4 Tb5Sm Tb2Sm

Computed at

2025-05-09 06:35:19

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: agm017124883).

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 agm017124883
data_agm017124883
_cell_length_a     17.76249
_cell_length_b     17.76249
_cell_length_c     17.76249
_cell_angle_alpha  168.54115
_cell_angle_beta   168.54115
_cell_angle_gamma  16.23250
_cell_volume       221.17081
_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 0.57316 0.57316 0.00000 1.00000
  Tb2 Tb 0.42684 0.42684 0.00000 1.00000
  Tb3 Tb 0.85506 0.85506 0.00000 1.00000
  Tb4 Tb 0.14494 0.14494 0.00000 1.00000
  Sm1 Sm 0.00000 0.00000 0.00000 1.00000
  Tm1 Tm 0.71537 0.71537 0.00000 1.00000
  Tm2 Tm 0.28463 0.28463 0.00000 1.00000
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