Navigation

HEAS Data Platform · Materials Science Database

Y3Er4TmAs8

Alexandria ALEX

Alex-ID: agm046014591 · Space group: R-3m (#166)

Alexandria Database API

Basic Information

Formula
Y3Er4TmAs8
Alex-ID
agm046014591
Elements
4
Sites
16
Space group
R-3m (#166)
Crystal system
trigonal
Volume
388.50
ų
Cell a
8.1902
Å
Cell b
8.1902
Å
Cell c
8.1902
Å
α angle
60.00
°
β angle
60.00
°
γ angle
60.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Y3Er4TmAs8
Y
3.00 · 18.8%
Er
4.00 · 25.0%
Tm
1.00 · 6.3%
As
8.00 · 50.0%

Energy & Stability

Energy above hull
0.0044
eV/atom
Formation energy
-1.5312
eV/atom
Corrected total energy
-103.8081
eV
Raw total energy
-103.8081
eV

Electronic Structure

Indirect band gap
0.0002
eV
Direct band gap
0.0002
eV
DOS at Fermi level
2.9346
Total magnetisation
0.0904
μB

Additional Information

Prototype ID

AB3C4D8_20_spg12

Decomposition

Y3ErAs4 Er3TmAs4

Computed at

2025-01-22 06:33:15

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: agm046014591).

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 agm046014591
data_agm046014591
_cell_length_a     8.19019
_cell_length_b     8.19019
_cell_length_c     8.19019
_cell_angle_alpha  60.00205
_cell_angle_beta   60.00205
_cell_angle_gamma  60.00205
_cell_volume       388.49659
_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
  Y1 Y 0.00000 0.00000 0.50000 1.00000
  Y2 Y 0.50000 0.00000 0.00000 1.00000
  Y3 Y 0.00000 0.50000 0.00000 1.00000
  Er1 Er 0.00000 0.00000 0.00000 1.00000
  Er2 Er 0.50000 0.00000 0.50000 1.00000
  Er3 Er 0.50000 0.50000 0.00000 1.00000
  Er4 Er 0.00000 0.50000 0.50000 1.00000
  Tm1 Tm 0.50000 0.50000 0.50000 1.00000
  As1 As 0.74764 0.25041 0.25041 1.00000
  As2 As 0.25041 0.25041 0.74764 1.00000
  As3 As 0.25102 0.25102 0.25102 1.00000
  As4 As 0.25041 0.74764 0.25041 1.00000
  As5 As 0.74959 0.25236 0.74959 1.00000
  As6 As 0.74898 0.74898 0.74898 1.00000
  As7 As 0.74959 0.74959 0.25236 1.00000
  As8 As 0.25236 0.74959 0.74959 1.00000
Get direct link