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Er2TmPuAs4

Alexandria ALEX

Alex-ID: agm078763383 · Space group: Cmmm (#65)

Alexandria Database API

Basic Information

Formula
Er2TmPuAs4
Alex-ID
agm078763383
Elements
4
Sites
8
Space group
Cmmm (#65)
Crystal system
orthorhombic
Volume
193.38
ų
Cell a
7.0757
Å
Cell b
7.0757
Å
Cell c
4.0973
Å
α angle
90.00
°
β angle
90.00
°
γ angle
109.49
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Er2TmPuAs4
Er
2.00 · 25.0%
Tm
1.00 · 12.5%
Pu
1.00 · 12.5%
As
4.00 · 50.0%

Energy & Stability

Energy above hull
0.0135
eV/atom
Formation energy
-1.3804
eV/atom
Corrected total energy
-57.5705
eV
Raw total energy
-57.5705
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0116
eV
DOS at Fermi level
12.7410
Total magnetisation
-4.9334
μB

Additional Information

Prototype ID

ABC2D4_222_spg10

Decomposition

ErTmAs2 Er3TmAs4 PuAs

Computed at

2025-07-01 16:01:56

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: agm078763383).

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 agm078763383
data_agm078763383
_cell_length_a     7.07568
_cell_length_b     7.07568
_cell_length_c     4.09727
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  109.49006
_cell_volume       193.37704
_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 0.00000 0.50000 0.00000 1.00000
  Er2 Er 0.50000 0.00000 0.00000 1.00000
  Tm1 Tm 0.00000 0.00000 0.50000 1.00000
  Pu1 Pu 0.50000 0.50000 0.50000 1.00000
  As1 As 0.75079 0.24921 0.50000 1.00000
  As2 As 0.24921 0.75079 0.50000 1.00000
  As3 As 0.24852 0.24852 0.00000 1.00000
  As4 As 0.75148 0.75148 0.00000 1.00000
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