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TbFeTcGe2

Alexandria ALEX

Alex-ID: agm005017367 · Space group: I-4m2 (#119)

Basic Information

Formula
TbFeTcGe2
Alex-ID
agm005017367
Elements
4
Sites
5
Space group
I-4m2 (#119)
Crystal system
tetragonal
Volume
87.63
ų
Cell a
4.0350
Å
Cell b
4.0350
Å
Cell c
6.0917
Å
α angle
109.34
°
β angle
109.34
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
TbFeTcGe2
Tb
1.00 · 20.0%
Fe
1.00 · 20.0%
Tc
1.00 · 20.0%
Ge
2.00 · 40.0%

Energy & Stability

Energy above hull
0.0554
eV/atom
Formation energy
-0.4456
eV/atom
Corrected total energy
-34.9236
eV
Raw total energy
-34.9236
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0011
eV
DOS at Fermi level
4.5487
Total magnetisation
2.4592
μB

Additional Information

Prototype ID

ABCD2_1563_spg119

Decomposition

Tb7Fe4Ge13 Tb2Tc3Ge4 Tb2Fe3Ge5 Tb(Fe2Ge)2

Computed at

2022-07-04 05:44:51.048506

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: agm005017367).

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 agm005017367
data_agm005017367
_cell_length_a     4.03501
_cell_length_b     4.03501
_cell_length_c     6.09171
_cell_angle_alpha  109.34091
_cell_angle_beta   109.34091
_cell_angle_gamma  90.00000
_cell_volume       87.62946
_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
  Tb1 Tb 0.00000 0.00000 0.00000 1.00000
  Fe1 Fe 0.75000 0.25000 0.50000 1.00000
  Tc1 Tc 0.25000 0.75000 0.50000 1.00000
  Ge1 Ge 0.61938 0.61938 0.23875 1.00000
  Ge2 Ge 0.38062 0.38062 0.76125 1.00000
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