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K3Tb3ErTe8

Alexandria ALEX

Alex-ID: agm004700535 · Space group: R-3m (#166)

Alexandria Database API

Basic Information

Formula
K3Tb3ErTe8
Alex-ID
agm004700535
Elements
4
Sites
15
Space group
R-3m (#166)
Crystal system
trigonal
Volume
570.38
ų
Cell a
8.7923
Å
Cell b
8.7975
Å
Cell c
9.9155
Å
α angle
116.37
°
β angle
90.00
°
γ angle
119.98
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
K3Tb3ErTe8
K
3.00 · 20.0%
Tb
3.00 · 20.0%
Er
1.00 · 6.7%
Te
8.00 · 53.3%

Energy & Stability

Energy above hull
0.0372
eV/atom
Formation energy
-1.3199
eV/atom
Corrected total energy
-66.6978
eV
Raw total energy
-66.6978
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
6.5189
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB3C3D8_25_spg166

Decomposition

K3Tb(ErTe3)2 TbTe3 KTbTe2 Er2Te3

Computed at

2023-02-08 16:26:24.745334

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: agm004700535).

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 agm004700535
data_agm004700535
_cell_length_a     8.79228
_cell_length_b     8.79749
_cell_length_c     9.91554
_cell_angle_alpha  116.36676
_cell_angle_beta   90.00000
_cell_angle_gamma  119.98043
_cell_volume       570.37660
_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
  K1 K 0.00000 0.00000 0.00000 1.00000
  K2 K 0.00000 0.50000 0.00000 1.00000
  K3 K 0.50000 0.50000 0.00000 1.00000
  Tb1 Tb 0.50000 0.00000 0.50000 1.00000
  Tb2 Tb 0.50000 0.50000 0.50000 1.00000
  Tb3 Tb 0.00000 0.50000 0.50000 1.00000
  Er1 Er 0.00000 0.00000 0.50000 1.00000
  Te1 Te 0.26319 0.52639 0.28984 1.00000
  Te2 Te 0.73681 0.47361 0.71016 1.00000
  Te3 Te 0.76448 0.52895 0.29229 1.00000
  Te4 Te 0.23552 0.47105 0.70771 1.00000
  Te5 Te 0.76447 0.02747 0.29229 1.00000
  Te6 Te 0.23553 0.97253 0.70771 1.00000
  Te7 Te 0.26300 0.02747 0.29229 1.00000
  Te8 Te 0.73700 0.97253 0.70771 1.00000
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