Navigation

HEAS Data Platform · Materials Science Database

Er2AlFe12Si11

Alexandria ALEX

Alex-ID: agm019562042 · Space group: P6mm (#183)

Alexandria Database API

Basic Information

Formula
Er2AlFe12Si11
Alex-ID
agm019562042
Elements
4
Sites
26
Space group
P6mm (#183)
Crystal system
hexagonal
Volume
329.57
ų
Cell a
4.9360
Å
Cell b
4.9360
Å
Cell c
15.6197
Å
α angle
90.00
°
β angle
90.00
°
γ angle
120.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Er2AlFe12Si11
Er
2.00 · 7.7%
Al
1.00 · 3.8%
Fe
12.00 · 46.2%
Si
11.00 · 42.3%

Energy & Stability

Energy above hull
0.1117
eV/atom
Formation energy
-0.4620
eV/atom
Corrected total energy
-186.0891
eV
Raw total energy
-186.0891
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0090
eV
DOS at Fermi level
20.6964
Total magnetisation
13.4580
μB

Additional Information

Prototype ID

AB2C11D12_4_spg183

Decomposition

AlFe4Si3 Er(FeSi)2 FeSi

Computed at

2024-10-02 17:11:03.236286

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: agm019562042).

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 agm019562042
data_agm019562042
_cell_length_a     4.93600
_cell_length_b     4.93600
_cell_length_c     15.61965
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  120.00000
_cell_volume       329.57328
_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 0.00000 0.99977 1.00000
  Er2 Er 0.00000 0.00000 0.50245 1.00000
  Al1 Al 0.00000 0.00000 0.17822 1.00000
  Fe1 Fe 0.00000 0.50000 0.12247 1.00000
  Fe2 Fe 0.00000 0.50000 0.62665 1.00000
  Fe3 Fe 0.50000 0.00000 0.12247 1.00000
  Fe4 Fe 0.50000 0.00000 0.62665 1.00000
  Fe5 Fe 0.50000 0.50000 0.12247 1.00000
  Fe6 Fe 0.50000 0.50000 0.62665 1.00000
  Fe7 Fe 0.00000 0.50000 0.37573 1.00000
  Fe8 Fe 0.00000 0.50000 0.87319 1.00000
  Fe9 Fe 0.50000 0.00000 0.37573 1.00000
  Fe10 Fe 0.50000 0.00000 0.87319 1.00000
  Fe11 Fe 0.50000 0.50000 0.37573 1.00000
  Fe12 Fe 0.50000 0.50000 0.87319 1.00000
  Si1 Si 0.33333 0.66667 0.50174 1.00000
  Si2 Si 0.33333 0.66667 0.99832 1.00000
  Si3 Si 0.66667 0.33333 0.99832 1.00000
  Si4 Si 0.66667 0.33333 0.50174 1.00000
  Si5 Si 0.33333 0.66667 0.24730 1.00000
  Si6 Si 0.33333 0.66667 0.74977 1.00000
  Si7 Si 0.66667 0.33333 0.24730 1.00000
  Si8 Si 0.66667 0.33333 0.74977 1.00000
  Si9 Si 0.00000 0.00000 0.67595 1.00000
  Si10 Si 0.00000 0.00000 0.33017 1.00000
  Si11 Si 0.00000 0.00000 0.82512 1.00000
Get direct link