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Dy2AsSe3

Alexandria ALEX

Alex-ID: agm019294288 · Space group: P-4m2 (#115)

Alexandria Database API

Basic Information

Formula
Dy2AsSe3
Alex-ID
agm019294288
Elements
3
Sites
6
Space group
P-4m2 (#115)
Crystal system
tetragonal
Volume
136.41
ų
Cell a
3.9870
Å
Cell b
3.9870
Å
Cell c
8.5813
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Dy2AsSe3
Dy
2.00 · 33.3%
As
1.00 · 16.7%
Se
3.00 · 50.0%

Energy & Stability

Energy above hull
0.0705
eV/atom
Formation energy
-1.4991
eV/atom
Corrected total energy
-33.3235
eV
Raw total energy
-33.3235
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
0.8789
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2C3_0_spg115

Decomposition

Dy2Se3 As

Computed at

2025-04-13 12:47:05

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: agm019294288).

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 agm019294288
data_agm019294288
_cell_length_a     3.98704
_cell_length_b     3.98704
_cell_length_c     8.58134
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       136.41344
_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
  Dy1 Dy 0.50000 0.00000 0.72364 1.00000
  Dy2 Dy 0.00000 0.50000 0.27636 1.00000
  As1 As 0.50000 0.50000 0.00000 1.00000
  Se1 Se 0.50000 0.00000 0.37271 1.00000
  Se2 Se 0.00000 0.50000 0.62729 1.00000
  Se3 Se 0.00000 0.00000 0.00000 1.00000
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