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Sm3Dy(HfAs3)2

Alexandria ALEX

Alex-ID: agm044215420 · Space group: C2/m (#12)

Basic Information

Formula
Sm3Dy(HfAs3)2
Alex-ID
agm044215420
Elements
4
Sites
12
Space group
C2/m (#12)
Crystal system
monoclinic
Volume
283.58
ų
Cell a
7.0214
Å
Cell b
7.0214
Å
Cell c
7.0494
Å
α angle
80.46
°
β angle
99.54
°
γ angle
59.89
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Sm3Dy(HfAs3)2
Sm
3.00 · 25.0%
Dy
1.00 · 8.3%
Hf
2.00 · 16.7%
As
6.00 · 50.0%

Energy & Stability

Energy above hull
0.0086
eV/atom
Formation energy
-1.3467
eV/atom
Corrected total energy
-82.7387
eV
Raw total energy
-82.7387
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0212
eV
DOS at Fermi level
2.8086
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2C3D6_1_spg12

Decomposition

SmDy2HfAs4 SmAs HfAs

Computed at

2025-01-20 11:25:59

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: agm044215420).

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 agm044215420
data_agm044215420
_cell_length_a     7.02143
_cell_length_b     7.02143
_cell_length_c     7.04942
_cell_angle_alpha  80.46031
_cell_angle_beta   99.53969
_cell_angle_gamma  59.88663
_cell_volume       283.57880
_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
  Sm1 Sm 0.16312 0.16312 0.00000 1.00000
  Sm2 Sm 0.83688 0.83688 0.00000 1.00000
  Sm3 Sm 0.50000 0.50000 0.00000 1.00000
  Dy1 Dy 0.00000 0.00000 0.50000 1.00000
  Hf1 Hf 0.33248 0.33248 0.50000 1.00000
  Hf2 Hf 0.66752 0.66752 0.50000 1.00000
  As1 As 0.42106 0.92217 0.73221 1.00000
  As2 As 0.26758 0.73242 0.27143 1.00000
  As3 As 0.57894 0.07783 0.26779 1.00000
  As4 As 0.07783 0.57894 0.73221 1.00000
  As5 As 0.73242 0.26758 0.72857 1.00000
  As6 As 0.92217 0.42106 0.26779 1.00000
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