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U(Al2Cr)4

Alexandria ALEX

Alex-ID: agm005231024 · 空间群: I4/mmm (#139)

基础信息

化学式
U(Al2Cr)4
Alex-ID
agm005231024
元素数
3
位点数
13
空间群
I4/mmm (#139)
晶系
tetragonal
体积
198.08
ų
晶胞参数 a
6.7698
Å
晶胞参数 b
6.7698
Å
晶胞参数 c
6.7698
Å
α 角
97.86
°
β 角
97.86
°
γ 角
136.60
°

组成

元素组成(原子分数)
组成信息
化学式
U(Al2Cr)4
U
1.00 · 7.7%
Al
8.00 · 61.5%
Cr
4.00 · 30.8%

能量与稳定性

凸包上方能量
0.0277
eV/atom
形成能
-0.1360
eV/atom
校正后总能量
-81.5140
eV
原始总能量
-81.5140
eV

电子结构

间接带隙
0.0000
eV
直接带隙
0.0021
eV
费米能级态密度
11.5459
总磁矩
-0.7253
μB

其他信息

原型 ID

AB4C8_2_spg139

分解产物

U6Al39Cr8 Al3Cr4 UAl2

计算时间

2023-05-06 12:59:22.306759

引用参考

Alexandria 官方页面
https://alexandria.icams.rub.de/
参考引用

The crystal structure and related material properties of this entry were obtained from the Alexandria database (Alex-ID: agm005231024).

文献引用

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}
}

晶体结构 3D 渲染

加载 3D 结构...

样式: Ball & Stick
原始 CIF 数据
# CIF generated by HEAS from Alexandria entry agm005231024
data_agm005231024
_cell_length_a     6.76982
_cell_length_b     6.76982
_cell_length_c     6.76982
_cell_angle_alpha  97.85879
_cell_angle_beta   97.85879
_cell_angle_gamma  136.59675
_cell_volume       198.08090
_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
  U1 U 0.00000 0.00000 0.00000 1.00000
  Al1 Al 0.34233 0.00000 0.34233 1.00000
  Al2 Al 0.00000 0.34233 0.34233 1.00000
  Al3 Al 0.00000 0.65767 0.65767 1.00000
  Al4 Al 0.65767 0.00000 0.65767 1.00000
  Al5 Al 0.28313 0.50000 0.78313 1.00000
  Al6 Al 0.50000 0.28313 0.78313 1.00000
  Al7 Al 0.50000 0.71687 0.21687 1.00000
  Al8 Al 0.71687 0.50000 0.21687 1.00000
  Cr1 Cr 0.00000 0.00000 0.50000 1.00000
  Cr2 Cr 0.50000 0.00000 0.00000 1.00000
  Cr3 Cr 0.00000 0.50000 0.00000 1.00000
  Cr4 Cr 0.50000 0.50000 0.50000 1.00000
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