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Tb2Ho4Mg

Alexandria ALEX

Alex-ID: agm018744853 · Space group: I4/mmm (#139)

Basic Information

Formula
Tb2Ho4Mg
Alex-ID
agm018744853
Elements
3
Sites
7
Space group
I4/mmm (#139)
Crystal system
tetragonal
Volume
211.20
ų
Cell a
17.0254
Å
Cell b
17.0254
Å
Cell c
17.0254
Å
α angle
168.06
°
β angle
168.06
°
γ angle
16.92
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Tb2Ho4Mg
Tb
2.00 · 28.6%
Ho
4.00 · 57.1%
Mg
1.00 · 14.3%

Energy & Stability

Energy above hull
0.0240
eV/atom
Formation energy
-0.0058
eV/atom
Corrected total energy
-29.2140
eV
Raw total energy
-29.2140
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0079
eV
DOS at Fermi level
10.6411
Total magnetisation
-0.0004
μB

Additional Information

Prototype ID

AB2C4_1994_spg12

Decomposition

Tb2Ho7 TbHoMg Tb2Ho

Computed at

2025-05-06 18:25:55

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: agm018744853).

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 agm018744853
data_agm018744853
_cell_length_a     17.02538
_cell_length_b     17.02538
_cell_length_c     17.02538
_cell_angle_alpha  168.06056
_cell_angle_beta   168.06056
_cell_angle_gamma  16.91575
_cell_volume       211.19892
_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 0.36131 0.36131 0.00000 1.00000
  Tb2 Tb 0.63869 0.63869 0.00000 1.00000
  Ho1 Ho 0.06593 0.06593 0.00000 1.00000
  Ho2 Ho 0.93407 0.93407 0.00000 1.00000
  Ho3 Ho 0.21329 0.21329 0.00000 1.00000
  Ho4 Ho 0.78671 0.78671 0.00000 1.00000
  Mg1 Mg 0.50000 0.50000 0.00000 1.00000
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