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Sm2Dy(YTm)2

Alexandria ALEX

Alex-ID: agm017702909 · Space group: I4/mmm (#139)

Alexandria Database API

Basic Information

Formula
Sm2Dy(YTm)2
Alex-ID
agm017702909
Elements
4
Sites
7
Space group
I4/mmm (#139)
Crystal system
tetragonal
Volume
223.25
ų
Cell a
17.8307
Å
Cell b
17.8307
Å
Cell c
17.8307
Å
α angle
168.55
°
β angle
168.55
°
γ angle
16.21
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Sm2Dy(YTm)2
Sm
2.00 · 28.6%
Dy
1.00 · 14.3%
Y
2.00 · 28.6%
Tm
2.00 · 28.6%

Energy & Stability

Energy above hull
0.0318
eV/atom
Formation energy
0.0253
eV/atom
Corrected total energy
-35.7431
eV
Raw total energy
-35.7431
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
10.2005
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2C2D2_117_spg119

Decomposition

Sm3(DyY2)2 Sm2Y DyTm5 SmY2

Computed at

2025-06-21 23:23:13

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: agm017702909).

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 agm017702909
data_agm017702909
_cell_length_a     17.83072
_cell_length_b     17.83072
_cell_length_c     17.83072
_cell_angle_alpha  168.55369
_cell_angle_beta   168.55369
_cell_angle_gamma  16.21468
_cell_volume       223.24683
_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 0.21319 0.21319 0.00000 1.00000
  Sm2 Sm 0.78681 0.78681 0.00000 1.00000
  Dy1 Dy 0.50000 0.50000 0.00000 1.00000
  Y1 Y 0.36007 0.36007 0.00000 1.00000
  Y2 Y 0.63993 0.63993 0.00000 1.00000
  Tm1 Tm 0.06934 0.06934 0.00000 1.00000
  Tm2 Tm 0.93066 0.93066 0.00000 1.00000
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