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Ge(SbTe2)2

Alexandria ALEX

Alex-ID: agm003445895 · Space group: Pbam (#55)

Basic Information

Formula
Ge(SbTe2)2
Alex-ID
agm003445895
Elements
3
Sites
14
Space group
Pbam (#55)
Crystal system
orthorhombic
Volume
487.75
ų
Cell a
4.2054
Å
Cell b
8.0081
Å
Cell c
14.4832
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Ge(SbTe2)2
Ge
2.00 · 14.3%
Sb
4.00 · 28.6%
Te
8.00 · 57.1%

Energy & Stability

Energy above hull
0.0788
eV/atom
Formation energy
-0.0401
eV/atom
Corrected total energy
-51.4186
eV
Raw total energy
-51.4186
eV

Electronic Structure

Indirect band gap
0.0449
eV
Direct band gap
0.2427
eV
DOS at Fermi level
1.2384
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2C4_703_spg55

Decomposition

Sb2Te3 GeTe

Computed at

2022-02-17 15:42:45.347246

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: agm003445895).

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 agm003445895
data_agm003445895
_cell_length_a     4.20542
_cell_length_b     8.00805
_cell_length_c     14.48317
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       487.75351
_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
  Ge1 Ge 0.00000 0.00000 0.50000 1.00000
  Ge2 Ge 0.00000 0.50000 0.00000 1.00000
  Sb1 Sb 0.50000 0.83693 0.86139 1.00000
  Sb2 Sb 0.50000 0.16307 0.13861 1.00000
  Sb3 Sb 0.50000 0.33693 0.63861 1.00000
  Sb4 Sb 0.50000 0.66307 0.36139 1.00000
  Te1 Te 0.00000 0.60355 0.80414 1.00000
  Te2 Te 0.00000 0.39645 0.19586 1.00000
  Te3 Te 0.00000 0.10355 0.69586 1.00000
  Te4 Te 0.00000 0.89645 0.30414 1.00000
  Te5 Te 0.50000 0.75300 0.54942 1.00000
  Te6 Te 0.50000 0.24700 0.45058 1.00000
  Te7 Te 0.50000 0.74700 0.04942 1.00000
  Te8 Te 0.50000 0.25300 0.95058 1.00000
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