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HoEr3(CoO3)4

Alexandria ALEX

Alex-ID: agm011684809 · Space group: Pm (#6)

Basic Information

Formula
HoEr3(CoO3)4
Alex-ID
agm011684809
Elements
4
Sites
20
Space group
Pm (#6)
Crystal system
monoclinic
Volume
207.17
ų
Cell a
7.3762
Å
Cell b
5.1316
Å
Cell c
5.4732
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
HoEr3(CoO3)4
Ho
1.00 · 5.0%
Er
3.00 · 15.0%
Co
4.00 · 20.0%
O
12.00 · 60.0%

Energy & Stability

Energy above hull
0.0316
eV/atom
Formation energy
-2.6687
eV/atom
Corrected total energy
-159.6351
eV
Raw total energy
-143.7116
eV

Electronic Structure

Indirect band gap
1.3093
eV
Direct band gap
1.3810
eV
DOS at Fermi level
-0.0036
Total magnetisation
0.0006
μB

Additional Information

Prototype ID

AB3C4D12_7_spg6

Decomposition

ErO2 HoO2 Co3O4 Er2O3

Computed at

2024-04-08 00:57:54

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: agm011684809).

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 agm011684809
data_agm011684809
_cell_length_a     7.37624
_cell_length_b     5.13155
_cell_length_c     5.47318
_cell_angle_alpha  89.99628
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       207.16852
_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
  Ho1 Ho 0.00000 0.52098 0.57499 1.00000
  Er1 Er 0.00000 0.97848 0.07563 1.00000
  Er2 Er 0.50000 0.47849 0.42397 1.00000
  Er3 Er 0.50000 0.02153 0.92430 1.00000
  Co1 Co 0.25038 0.99982 0.49995 1.00000
  Co2 Co 0.74971 0.50017 0.99986 1.00000
  Co3 Co 0.74962 0.99982 0.49995 1.00000
  Co4 Co 0.25029 0.50017 0.99986 1.00000
  O1 O 0.30281 0.19064 0.19720 1.00000
  O2 O 0.69716 0.30955 0.69702 1.00000
  O3 O 0.80190 0.81025 0.80357 1.00000
  O4 O 0.19824 0.69090 0.30220 1.00000
  O5 O 0.19810 0.81025 0.80357 1.00000
  O6 O 0.80176 0.69090 0.30220 1.00000
  O7 O 0.69719 0.19064 0.19720 1.00000
  O8 O 0.30284 0.30955 0.69702 1.00000
  O9 O 0.00000 0.39404 0.97010 1.00000
  O10 O 0.00000 0.10391 0.46853 1.00000
  O11 O 0.50000 0.60619 0.03128 1.00000
  O12 O 0.50000 0.89372 0.53162 1.00000
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