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PmAlTcGe2

Alexandria ALEX

Alex-ID: agm005017348 · Space group: I-4m2 (#119)

Basic Information

Formula
PmAlTcGe2
Alex-ID
agm005017348
Elements
4
Sites
5
Space group
I-4m2 (#119)
Crystal system
tetragonal
Volume
92.69
ų
Cell a
3.9581
Å
Cell b
3.9581
Å
Cell c
6.5450
Å
α angle
107.60
°
β angle
107.60
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
PmAlTcGe2
Pm
1.00 · 20.0%
Al
1.00 · 20.0%
Tc
1.00 · 20.0%
Ge
2.00 · 40.0%

Energy & Stability

Energy above hull
0.1398
eV/atom
Formation energy
-0.4685
eV/atom
Corrected total energy
-30.4395
eV
Raw total energy
-30.4395
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0254
eV
DOS at Fermi level
3.1355
Total magnetisation
0.6189
μB

Additional Information

Prototype ID

ABCD2_1563_spg119

Decomposition

AlTcGe PmGe

Computed at

2022-07-03 21:10:43.500695

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: agm005017348).

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 agm005017348
data_agm005017348
_cell_length_a     3.95811
_cell_length_b     3.95811
_cell_length_c     6.54502
_cell_angle_alpha  107.60035
_cell_angle_beta   107.60035
_cell_angle_gamma  90.00000
_cell_volume       92.69013
_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 0.00000 0.00000 0.00000 1.00000
  Al1 Al 0.75000 0.25000 0.50000 1.00000
  Tc1 Tc 0.25000 0.75000 0.50000 1.00000
  Ge1 Ge 0.60920 0.60920 0.21841 1.00000
  Ge2 Ge 0.39080 0.39080 0.78159 1.00000
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