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Er4CuTc

Alexandria ALEX

Alex-ID: agm005805724 · Space group: P4/mmm (#123)

Basic Information

Formula
Er4CuTc
Alex-ID
agm005805724
Elements
3
Sites
6
Space group
P4/mmm (#123)
Crystal system
tetragonal
Volume
145.28
ų
Cell a
3.4383
Å
Cell b
3.4383
Å
Cell c
12.2887
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Er4CuTc
Er
4.00 · 66.7%
Cu
1.00 · 16.7%
Tc
1.00 · 16.7%

Energy & Stability

Energy above hull
0.0849
eV/atom
Formation energy
-0.0916
eV/atom
Corrected total energy
-33.3271
eV
Raw total energy
-33.3271
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
5.7254
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

ABC4_506_spg123

Decomposition

Er3Tc ErCu

Computed at

2023-07-28 04:50:04.641557

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: agm005805724).

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 agm005805724
data_agm005805724
_cell_length_a     3.43834
_cell_length_b     3.43834
_cell_length_c     12.28867
_cell_angle_alpha  90.00114
_cell_angle_beta   90.00114
_cell_angle_gamma  89.99992
_cell_volume       145.27904
_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
  Er1 Er 0.49997 0.49997 0.86213 1.00000
  Er2 Er 0.50003 0.50003 0.13787 1.00000
  Er3 Er 0.99996 0.99996 0.63150 1.00000
  Er4 Er 0.00004 0.00004 0.36850 1.00000
  Cu1 Cu 0.00000 0.00000 0.00000 1.00000
  Tc1 Tc 0.50000 0.50000 0.50000 1.00000
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