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PmErTeO2

Alexandria ALEX

Alex-ID: agm058166320 · Space group: P2_1/m (#11)

Alexandria Database API

Basic Information

Formula
PmErTeO2
Alex-ID
agm058166320
Elements
4
Sites
10
Space group
P2_1/m (#11)
Crystal system
monoclinic
Volume
212.34
ų
Cell a
4.1029
Å
Cell b
6.8450
Å
Cell c
7.8487
Å
α angle
74.44
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
PmErTeO2
Pm
2.00 · 20.0%
Er
2.00 · 20.0%
Te
2.00 · 20.0%
O
4.00 · 40.0%

Energy & Stability

Energy above hull
0.0077
eV/atom
Formation energy
-3.2232
eV/atom
Corrected total energy
-76.9747
eV
Raw total energy
-74.1656
eV

Electronic Structure

Indirect band gap
1.8101
eV
Direct band gap
2.3711
eV
DOS at Fermi level
0.0000
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

ABCD2_1_spg11

Decomposition

Er2TeO2 Pm2TeO2

Computed at

2024-10-31 13:17:12.552802

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: agm058166320).

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 agm058166320
data_agm058166320
_cell_length_a     4.10292
_cell_length_b     6.84498
_cell_length_c     7.84869
_cell_angle_alpha  74.43650
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       212.34385
_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 0.75000 0.67390 0.58945 1.00000
  Pm2 Pm 0.25000 0.32610 0.41055 1.00000
  Er1 Er 0.75000 0.65849 0.08206 1.00000
  Er2 Er 0.25000 0.34151 0.91794 1.00000
  Te1 Te 0.75000 0.04736 0.22807 1.00000
  Te2 Te 0.25000 0.95264 0.77193 1.00000
  O1 O 0.25000 0.50166 0.62842 1.00000
  O2 O 0.75000 0.49834 0.37158 1.00000
  O3 O 0.25000 0.52012 0.11761 1.00000
  O4 O 0.75000 0.47988 0.88239 1.00000
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