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Dy2Tc2O7

Alexandria ALEX

Alex-ID: agm005252033 · Space group: Fd-3m (#227)

Alexandria Database API

Basic Information

Formula
Dy2Tc2O7
Alex-ID
agm005252033
Elements
3
Sites
22
Space group
Fd-3m (#227)
Crystal system
cubic
Volume
274.45
ų
Cell a
7.2945
Å
Cell b
7.2945
Å
Cell c
7.2945
Å
α angle
60.00
°
β angle
60.00
°
γ angle
60.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Dy2Tc2O7
Dy
4.00 · 18.2%
Tc
4.00 · 18.2%
O
14.00 · 63.6%

Energy & Stability

Energy above hull
0.0505
eV/atom
Formation energy
-2.8254
eV/atom
Corrected total energy
-191.4519
eV
Raw total energy
-181.6199
eV

Electronic Structure

Indirect band gap
0.1173
eV
Direct band gap
0.4681
eV
DOS at Fermi level
2.3453
Total magnetisation
12.0145
μB

Additional Information

Prototype ID

A2B2C7_0_spg227

Decomposition

Dy5(TcO6)2 TcO2 Tc

Computed at

2023-05-09 05:32:20.704611

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: agm005252033).

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 agm005252033
data_agm005252033
_cell_length_a     7.29447
_cell_length_b     7.29447
_cell_length_c     7.29447
_cell_angle_alpha  60.00000
_cell_angle_beta   60.00000
_cell_angle_gamma  60.00000
_cell_volume       274.45237
_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
  Dy1 Dy 0.62500 0.12500 0.62500 1.00000
  Dy2 Dy 0.62500 0.62500 0.12500 1.00000
  Dy3 Dy 0.12500 0.62500 0.62500 1.00000
  Dy4 Dy 0.62500 0.62500 0.62500 1.00000
  Tc1 Tc 0.12500 0.12500 0.62500 1.00000
  Tc2 Tc 0.62500 0.12500 0.12500 1.00000
  Tc3 Tc 0.12500 0.62500 0.12500 1.00000
  Tc4 Tc 0.12500 0.12500 0.12500 1.00000
  O1 O 0.03670 0.03670 0.46330 1.00000
  O2 O 0.78670 0.78670 0.21330 1.00000
  O3 O 0.21330 0.78670 0.78670 1.00000
  O4 O 0.21330 0.78670 0.21330 1.00000
  O5 O 0.46330 0.03670 0.46330 1.00000
  O6 O 0.78670 0.21330 0.78670 1.00000
  O7 O 0.46330 0.03670 0.03670 1.00000
  O8 O 0.50000 0.50000 0.50000 1.00000
  O9 O 0.03670 0.46330 0.03670 1.00000
  O10 O 0.21330 0.21330 0.78670 1.00000
  O11 O 0.46330 0.46330 0.03670 1.00000
  O12 O 0.75000 0.75000 0.75000 1.00000
  O13 O 0.03670 0.46330 0.46330 1.00000
  O14 O 0.78670 0.21330 0.21330 1.00000
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