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Pm2DyEr4

Alexandria ALEX

Alex-ID: agm035582467 · Space group: R-3m (#166)

Alexandria Database API

Basic Information

Formula
Pm2DyEr4
Alex-ID
agm035582467
Elements
3
Sites
7
Space group
R-3m (#166)
Crystal system
trigonal
Volume
222.70
ų
Cell a
20.1994
Å
Cell b
20.1994
Å
Cell c
20.1994
Å
α angle
10.16
°
β angle
10.16
°
γ angle
10.16
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Pm2DyEr4
Pm
2.00 · 28.6%
Dy
1.00 · 14.3%
Er
4.00 · 57.1%

Energy & Stability

Energy above hull
0.0666
eV/atom
Formation energy
0.0596
eV/atom
Corrected total energy
-31.9395
eV
Raw total energy
-31.9395
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
15.5568
Total magnetisation
0.0025
μB

Additional Information

Prototype ID

AB2C4_493_spg164

Decomposition

PmDyEr4 Pm3Dy2Er PmEr2

Computed at

2025-05-08 01:53:32

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: agm035582467).

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 agm035582467
data_agm035582467
_cell_length_a     20.19938
_cell_length_b     20.19938
_cell_length_c     20.19938
_cell_angle_alpha  10.16055
_cell_angle_beta   10.16055
_cell_angle_gamma  10.16055
_cell_volume       222.69673
_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
  Pm1 Pm 0.57139 0.57139 0.57139 1.00000
  Pm2 Pm 0.42861 0.42861 0.42861 1.00000
  Dy1 Dy 0.00000 0.00000 0.00000 1.00000
  Er1 Er 0.85679 0.85679 0.85679 1.00000
  Er2 Er 0.71383 0.71383 0.71383 1.00000
  Er3 Er 0.28617 0.28617 0.28617 1.00000
  Er4 Er 0.14321 0.14321 0.14321 1.00000
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