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PmHoAlGe

Alexandria ALEX

Alex-ID: agm005205231 · Space group: Amm2 (#38)

Basic Information

Formula
PmHoAlGe
Alex-ID
agm005205231
Elements
4
Sites
4
Space group
Amm2 (#38)
Crystal system
orthorhombic
Volume
98.71
ų
Cell a
4.4055
Å
Cell b
4.0536
Å
Cell c
5.9503
Å
α angle
90.00
°
β angle
111.73
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
PmHoAlGe
Pm
1.00 · 25.0%
Ho
1.00 · 25.0%
Al
1.00 · 25.0%
Ge
1.00 · 25.0%

Energy & Stability

Energy above hull
0.0269
eV/atom
Formation energy
-0.6763
eV/atom
Corrected total energy
-20.3971
eV
Raw total energy
-20.3971
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0001
eV
DOS at Fermi level
3.2580
Total magnetisation
0.0008
μB

Additional Information

Prototype ID

ABCD_24_spg38

Decomposition

Pm2Ho3Ge4 Ho5Ge3 Pm4Ge3 PmAl2

Computed at

2022-07-10 08:51:54.595244

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: agm005205231).

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 agm005205231
data_agm005205231
_cell_length_a     4.40549
_cell_length_b     4.05358
_cell_length_c     5.95032
_cell_angle_alpha  90.00000
_cell_angle_beta   111.72733
_cell_angle_gamma  90.00000
_cell_volume       98.71179
_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 0.85658 0.50000 0.71317 1.00000
  Ho1 Ho 0.13851 0.00000 0.27703 1.00000
  Al1 Al 0.42769 0.00000 0.85537 1.00000
  Ge1 Ge 0.57722 0.50000 0.15444 1.00000
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