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HEAS Data Platform · Materials Science Database

Tb12Tm3Mg

Alexandria ALEX

Alex-ID: agm005864584 · Space group: P4/mmm (#123)

Alexandria Database API

Basic Information

Formula
Tb12Tm3Mg
Alex-ID
agm005864584
Elements
3
Sites
16
Space group
P4/mmm (#123)
Crystal system
tetragonal
Volume
497.32
ų
Cell a
4.9835
Å
Cell b
4.9835
Å
Cell c
20.0251
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Tb12Tm3Mg
Tb
12.00 · 75.0%
Tm
3.00 · 18.8%
Mg
1.00 · 6.3%

Energy & Stability

Energy above hull
0.0343
eV/atom
Formation energy
0.0198
eV/atom
Corrected total energy
-70.2798
eV
Raw total energy
-70.2798
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
22.0313
Total magnetisation
-0.0002
μB

Additional Information

Prototype ID

AB3C12_5_spg123

Decomposition

Tb5Tm4 Tb5Tm Tb2Mg

Computed at

2023-07-22 05:54:16.828594

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: agm005864584).

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 agm005864584
data_agm005864584
_cell_length_a     4.98346
_cell_length_b     4.98346
_cell_length_c     20.02507
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       497.32035
_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 0.50000 0.50000 0.00000 1.00000
  Tb2 Tb 0.50000 0.50000 0.24624 1.00000
  Tb3 Tb 0.50000 0.50000 0.50000 1.00000
  Tb4 Tb 0.50000 0.50000 0.75376 1.00000
  Tb5 Tb 0.50000 0.00000 0.12352 1.00000
  Tb6 Tb 0.50000 0.00000 0.37400 1.00000
  Tb7 Tb 0.50000 0.00000 0.62600 1.00000
  Tb8 Tb 0.50000 0.00000 0.87648 1.00000
  Tb9 Tb 0.00000 0.50000 0.12352 1.00000
  Tb10 Tb 0.00000 0.50000 0.37400 1.00000
  Tb11 Tb 0.00000 0.50000 0.62600 1.00000
  Tb12 Tb 0.00000 0.50000 0.87648 1.00000
  Tm1 Tm 0.00000 0.00000 0.24831 1.00000
  Tm2 Tm 0.00000 0.00000 0.50000 1.00000
  Tm3 Tm 0.00000 0.00000 0.75169 1.00000
  Mg1 Mg 0.00000 0.00000 0.00000 1.00000
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