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CeDy2YAs4

Alexandria ALEX

Alex-ID: agm017480061 · Space group: I4/mmm (#139)

Alexandria Database API

Basic Information

Formula
CeDy2YAs4
Alex-ID
agm017480061
Elements
4
Sites
8
Space group
I4/mmm (#139)
Crystal system
tetragonal
Volume
201.07
ų
Cell a
7.1717
Å
Cell b
7.1717
Å
Cell c
7.1717
Å
α angle
131.76
°
β angle
131.76
°
γ angle
70.61
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
CeDy2YAs4
Ce
1.00 · 12.5%
Dy
2.00 · 25.0%
Y
1.00 · 12.5%
As
4.00 · 50.0%

Energy & Stability

Energy above hull
0.0052
eV/atom
Formation energy
-1.5128
eV/atom
Corrected total energy
-52.3047
eV
Raw total energy
-52.3047
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0048
eV
DOS at Fermi level
6.4709
Total magnetisation
0.5373
μB

Additional Information

Prototype ID

ABC2D4_37_spg42

Decomposition

CeY2As3 CeDy2As3 CeDy5As6

Computed at

2025-06-30 18:59:46

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: agm017480061).

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 agm017480061
data_agm017480061
_cell_length_a     7.17173
_cell_length_b     7.17173
_cell_length_c     7.17173
_cell_angle_alpha  131.76163
_cell_angle_beta   131.76163
_cell_angle_gamma  70.60577
_cell_volume       201.07278
_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
  Ce1 Ce 0.50000 0.50000 0.00000 1.00000
  Dy1 Dy 0.75000 0.25000 0.50000 1.00000
  Dy2 Dy 0.25000 0.75000 0.50000 1.00000
  Y1 Y 0.00000 0.00000 0.00000 1.00000
  As1 As 0.50000 0.00000 0.50000 1.00000
  As2 As 0.00000 0.50000 0.50000 1.00000
  As3 As 0.25024 0.25024 0.00000 1.00000
  As4 As 0.74976 0.74976 0.00000 1.00000
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