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Dy3GaNiSe7

Alexandria ALEX

Alex-ID: agm005228922 · Space group: P6_3 (#173)

Basic Information

Formula
Dy3GaNiSe7
Alex-ID
agm005228922
Elements
4
Sites
24
Space group
P6_3 (#173)
Crystal system
hexagonal
Volume
563.72
ų
Cell a
9.9873
Å
Cell b
9.9873
Å
Cell c
6.5258
Å
α angle
90.00
°
β angle
90.00
°
γ angle
120.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Dy3GaNiSe7
Dy
6.00 · 25.0%
Ga
2.00 · 8.3%
Ni
2.00 · 8.3%
Se
14.00 · 58.3%

Energy & Stability

Energy above hull
0.0645
eV/atom
Formation energy
-1.2827
eV/atom
Corrected total energy
-124.9012
eV
Raw total energy
-124.9012
eV

Electronic Structure

Indirect band gap
0.2405
eV
Direct band gap
0.3024
eV
DOS at Fermi level
2.1772
Total magnetisation
4.0581
μB

Additional Information

Prototype ID

ABC3D7_1_spg173

Decomposition

Ni3Se4 Ga2Se3 Ni3Se2 Dy2Se3

Computed at

2023-05-09 20:08:52.759275

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: agm005228922).

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 agm005228922
data_agm005228922
_cell_length_a     9.98728
_cell_length_b     9.98728
_cell_length_c     6.52585
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  120.00000
_cell_volume       563.71843
_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 0.15976 0.37473 0.82356 1.00000
  Dy2 Dy 0.21497 0.84024 0.82356 1.00000
  Dy3 Dy 0.62527 0.78503 0.82356 1.00000
  Dy4 Dy 0.84024 0.62527 0.32356 1.00000
  Dy5 Dy 0.78503 0.15976 0.32356 1.00000
  Dy6 Dy 0.37473 0.21497 0.32356 1.00000
  Ga1 Ga 0.66667 0.33333 0.89961 1.00000
  Ga2 Ga 0.33333 0.66667 0.39961 1.00000
  Ni1 Ni 0.00000 0.00000 0.49160 1.00000
  Ni2 Ni 0.00000 0.00000 0.99160 1.00000
  Se1 Se 0.43809 0.51999 0.55698 1.00000
  Se2 Se 0.08191 0.56191 0.55698 1.00000
  Se3 Se 0.48001 0.91809 0.55698 1.00000
  Se4 Se 0.56191 0.48001 0.05698 1.00000
  Se5 Se 0.91809 0.43809 0.05698 1.00000
  Se6 Se 0.51999 0.08191 0.05698 1.00000
  Se7 Se 0.66667 0.33333 0.52985 1.00000
  Se8 Se 0.33333 0.66667 0.02985 1.00000
  Se9 Se 0.87003 0.10356 0.72718 1.00000
  Se10 Se 0.23353 0.12997 0.72718 1.00000
  Se11 Se 0.89644 0.76647 0.72718 1.00000
  Se12 Se 0.12997 0.89644 0.22718 1.00000
  Se13 Se 0.76647 0.87003 0.22718 1.00000
  Se14 Se 0.10356 0.23353 0.22718 1.00000
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