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La4ErAg

Alexandria ALEX

Alex-ID: agm005907964 · Space group: P4/mmm (#123)

Basic Information

Formula
La4ErAg
Alex-ID
agm005907964
Elements
3
Sites
6
Space group
P4/mmm (#123)
Crystal system
tetragonal
Volume
196.42
ų
Cell a
3.7647
Å
Cell b
3.7623
Å
Cell c
13.8678
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
La4ErAg
La
4.00 · 66.7%
Er
1.00 · 16.7%
Ag
1.00 · 16.7%

Energy & Stability

Energy above hull
0.0468
eV/atom
Formation energy
-0.0639
eV/atom
Corrected total energy
-27.5070
eV
Raw total energy
-27.5070
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0158
eV
DOS at Fermi level
10.0151
Total magnetisation
0.0010
μB

Additional Information

Prototype ID

ABC4_506_spg123

Decomposition

ErAg La

Computed at

2023-07-26 22:05:23.851106

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: agm005907964).

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 agm005907964
data_agm005907964
_cell_length_a     3.76468
_cell_length_b     3.76233
_cell_length_c     13.86780
_cell_angle_alpha  90.00327
_cell_angle_beta   90.00461
_cell_angle_gamma  89.99989
_cell_volume       196.42319
_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 0.49996 0.49997 0.82442 1.00000
  La2 La 0.50004 0.50003 0.17558 1.00000
  La3 La 0.00003 0.99998 0.64077 1.00000
  La4 La 0.99997 0.00002 0.35923 1.00000
  Er1 Er 0.00000 0.00000 0.00000 1.00000
  Ag1 Ag 0.50000 0.50000 0.50000 1.00000
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