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ErNb2AlN4

Alexandria ALEX

Alex-ID: agm024018917 · Space group: Imma (#74)

Basic Information

Formula
ErNb2AlN4
Alex-ID
agm024018917
Elements
4
Sites
16
Space group
Imma (#74)
Crystal system
orthorhombic
Volume
178.09
ų
Cell a
6.3190
Å
Cell b
6.3190
Å
Cell c
6.3190
Å
α angle
121.07
°
β angle
119.12
°
γ angle
89.84
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
ErNb2AlN4
Er
2.00 · 12.5%
Nb
4.00 · 25.0%
Al
2.00 · 12.5%
N
8.00 · 50.0%

Energy & Stability

Energy above hull
0.2854
eV/atom
Formation energy
-1.2699
eV/atom
Corrected total energy
-140.8343
eV
Raw total energy
-140.8343
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0664
eV
DOS at Fermi level
4.4565
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

ABC2D4_760_spg74

Decomposition

ErNbN2 NbN AlN

Computed at

2024-10-14 20:45:26.277172

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: agm024018917).

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 agm024018917
data_agm024018917
_cell_length_a     6.31902
_cell_length_b     6.31902
_cell_length_c     6.31902
_cell_angle_alpha  121.07373
_cell_angle_beta   119.12279
_cell_angle_gamma  89.83822
_cell_volume       178.08569
_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
  Er1 Er 0.00000 0.50000 0.50000 1.00000
  Er2 Er 0.50000 0.50000 0.00000 1.00000
  Nb1 Nb 0.50000 0.00000 0.50000 1.00000
  Nb2 Nb 0.00000 0.00000 0.00000 1.00000
  Nb3 Nb 0.00000 0.50000 0.00000 1.00000
  Nb4 Nb 0.00000 0.00000 0.50000 1.00000
  Al1 Al 0.50000 0.00000 0.00000 1.00000
  Al2 Al 0.50000 0.50000 0.50000 1.00000
  N1 N 0.73784 0.75025 0.51241 1.00000
  N2 N 0.73784 0.22543 0.98759 1.00000
  N3 N 0.26216 0.77457 0.01241 1.00000
  N4 N 0.26216 0.24975 0.48759 1.00000
  N5 N 0.71684 0.24373 0.47311 1.00000
  N6 N 0.27062 0.24373 0.02689 1.00000
  N7 N 0.72938 0.75627 0.97311 1.00000
  N8 N 0.28316 0.75627 0.52689 1.00000
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