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Sm2ErTmTe5

Alexandria ALEX

Alex-ID: agm005174247 · Space group: P4/mmm (#123)

Alexandria Database API

Basic Information

Formula
Sm2ErTmTe5
Alex-ID
agm005174247
Elements
4
Sites
9
Space group
P4/mmm (#123)
Crystal system
tetragonal
Volume
345.46
ų
Cell a
5.4899
Å
Cell b
5.4899
Å
Cell c
11.4620
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Sm2ErTmTe5
Sm
2.00 · 22.2%
Er
1.00 · 11.1%
Tm
1.00 · 11.1%
Te
5.00 · 55.6%

Energy & Stability

Energy above hull
0.6557
eV/atom
Formation energy
-0.7490
eV/atom
Corrected total energy
-40.9304
eV
Raw total energy
-40.9304
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0023
eV
DOS at Fermi level
5.0107
Total magnetisation
0.4936
μB

Additional Information

Prototype ID

ABC2D5_388_spg123

Decomposition

Sm2(ErTe2)3 Er3Te4 Tm3Te4 Sm5Te6

Computed at

2023-01-19 13:51:31.420839

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: agm005174247).

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 agm005174247
data_agm005174247
_cell_length_a     5.48990
_cell_length_b     5.48990
_cell_length_c     11.46205
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       345.45505
_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
  Sm1 Sm 0.50000 0.50000 0.33986 1.00000
  Sm2 Sm 0.50000 0.50000 0.66014 1.00000
  Er1 Er 0.00000 0.00000 0.00000 1.00000
  Tm1 Tm 0.00000 0.00000 0.50000 1.00000
  Te1 Te 0.00000 0.50000 0.50000 1.00000
  Te2 Te 0.50000 0.00000 0.50000 1.00000
  Te3 Te 0.00000 0.00000 0.75433 1.00000
  Te4 Te 0.00000 0.00000 0.24567 1.00000
  Te5 Te 0.50000 0.50000 0.00000 1.00000
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