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HEAS Data Platform · Materials Science Database

Li4TmSi4

Alexandria ALEX

Alex-ID: agm003595375 · Space group: P4_2/nmc (#137)

Basic Information

Formula
Li4TmSi4
Alex-ID
agm003595375
Elements
3
Sites
18
Space group
P4_2/nmc (#137)
Crystal system
tetragonal
Volume
295.45
ų
Cell a
5.9013
Å
Cell b
5.9013
Å
Cell c
8.4838
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Li4TmSi4
Li
8.00 · 44.4%
Tm
2.00 · 11.1%
Si
8.00 · 44.4%

Energy & Stability

Energy above hull
0.1882
eV/atom
Formation energy
-0.1771
eV/atom
Corrected total energy
-70.8251
eV
Raw total energy
-70.8251
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
6.7625
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB4C4_204_spg137

Decomposition

Li12Si7 LiTmSi2 LiSi

Computed at

2022-04-04 22:10:42.187766

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: agm003595375).

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 agm003595375
data_agm003595375
_cell_length_a     5.90130
_cell_length_b     5.90130
_cell_length_c     8.48385
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       295.45259
_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
  Li1 Li 0.24279 0.50000 0.91404 1.00000
  Li2 Li 0.75721 0.50000 0.91404 1.00000
  Li3 Li 0.50000 0.75721 0.08596 1.00000
  Li4 Li 0.50000 0.24279 0.08596 1.00000
  Li5 Li 0.00000 0.74279 0.41404 1.00000
  Li6 Li 0.00000 0.25721 0.41404 1.00000
  Li7 Li 0.25721 0.00000 0.58596 1.00000
  Li8 Li 0.74279 0.00000 0.58596 1.00000
  Tm1 Tm 0.00000 0.00000 0.00000 1.00000
  Tm2 Tm 0.50000 0.50000 0.50000 1.00000
  Si1 Si 0.50000 0.79851 0.78530 1.00000
  Si2 Si 0.50000 0.20149 0.78530 1.00000
  Si3 Si 0.79851 0.50000 0.21470 1.00000
  Si4 Si 0.20149 0.50000 0.21470 1.00000
  Si5 Si 0.29851 0.00000 0.28530 1.00000
  Si6 Si 0.70149 0.00000 0.28530 1.00000
  Si7 Si 0.00000 0.29851 0.71470 1.00000
  Si8 Si 0.00000 0.70149 0.71470 1.00000
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