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PaAlGaN

Alexandria ALEX

Alex-ID: agm005204148 · Space group: P4/nmm (#129)

Basic Information

Formula
PaAlGaN
Alex-ID
agm005204148
Elements
4
Sites
8
Space group
P4/nmm (#129)
Crystal system
tetragonal
Volume
134.44
ų
Cell a
4.0388
Å
Cell b
4.0388
Å
Cell c
8.2418
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
PaAlGaN
Pa
2.00 · 25.0%
Al
2.00 · 25.0%
Ga
2.00 · 25.0%
N
2.00 · 25.0%

Energy & Stability

Energy above hull
0.0202
eV/atom
Formation energy
-1.0056
eV/atom
Corrected total energy
-56.4970
eV
Raw total energy
-56.4970
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0153
eV
DOS at Fermi level
2.8793
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

ABCD_1467_spg129

Decomposition

PaGa3 PaAl2 AlN PaN

Computed at

2022-07-10 15:16:53.535712

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: agm005204148).

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 agm005204148
data_agm005204148
_cell_length_a     4.03880
_cell_length_b     4.03880
_cell_length_c     8.24178
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       134.43900
_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
  Pa1 Pa 0.00000 0.50000 0.86155 1.00000
  Pa2 Pa 0.50000 0.00000 0.13845 1.00000
  Al1 Al 0.00000 0.00000 0.50000 1.00000
  Al2 Al 0.50000 0.50000 0.50000 1.00000
  Ga1 Ga 0.50000 0.00000 0.69915 1.00000
  Ga2 Ga 0.00000 0.50000 0.30085 1.00000
  N1 N 0.50000 0.50000 0.00000 1.00000
  N2 N 0.00000 0.00000 0.00000 1.00000
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