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La2ErTm4

Alexandria ALEX

Alex-ID: agm014223554 · Space group: R-3m (#166)

Alexandria Database API

Basic Information

Formula
La2ErTm4
Alex-ID
agm014223554
Elements
3
Sites
7
Space group
R-3m (#166)
Crystal system
trigonal
Volume
224.11
ų
Cell a
19.9332
Å
Cell b
19.9332
Å
Cell c
19.9332
Å
α angle
10.40
°
β angle
10.40
°
γ angle
10.40
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
La2ErTm4
La
2.00 · 28.6%
Er
1.00 · 14.3%
Tm
4.00 · 57.1%

Energy & Stability

Energy above hull
0.0389
eV/atom
Formation energy
0.0306
eV/atom
Corrected total energy
-32.0893
eV
Raw total energy
-32.0893
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
11.8463
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2C4_493_spg164

Decomposition

ErTm5 La7Tm LaEr2

Computed at

2025-04-04 04:13:06.446438

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: agm014223554).

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 agm014223554
data_agm014223554
_cell_length_a     19.93316
_cell_length_b     19.93316
_cell_length_c     19.93316
_cell_angle_alpha  10.39951
_cell_angle_beta   10.39951
_cell_angle_gamma  10.39951
_cell_volume       224.10731
_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
  La1 La 0.40530 0.40530 0.40530 1.00000
  La2 La 0.59470 0.59470 0.59470 1.00000
  Er1 Er 0.50000 0.50000 0.50000 1.00000
  Tm1 Tm 0.31044 0.31044 0.31044 1.00000
  Tm2 Tm 0.12008 0.12008 0.12008 1.00000
  Tm3 Tm 0.68956 0.68956 0.68956 1.00000
  Tm4 Tm 0.87992 0.87992 0.87992 1.00000
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