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Ba2BiBr

Alexandria ALEX

Alex-ID: agm015462786 · 空间群: I4_1/amd (#141)

基础信息

化学式
Ba2BiBr
Alex-ID
agm015462786
元素数
3
位点数
8
空间群
I4_1/amd (#141)
晶系
tetragonal
体积
354.88
ų
晶胞参数 a
8.7181
Å
晶胞参数 b
8.7181
Å
晶胞参数 c
8.7181
Å
α 角
132.36
°
β 角
132.36
°
γ 角
69.66
°

组成

元素组成(原子分数)
组成信息
化学式
Ba2BiBr
Ba
4.00 · 50.0%
Bi
2.00 · 25.0%
Br
2.00 · 25.0%

能量与稳定性

凸包上方能量
0.0000
eV/atom
形成能
-1.4321
eV/atom
校正后总能量
-30.2557
eV
原始总能量
-30.2557
eV

电子结构

间接带隙
0.5497
eV
直接带隙
0.7419
eV
费米能级态密度
-0.0432
总磁矩
0.0000
μB

其他信息

原型 ID

ABC2_1068_spg122

分解产物

Ba2BiBr

计算时间

2025-07-01 16:34:48

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: agm015462786).

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 agm015462786
data_agm015462786
_cell_length_a     8.71808
_cell_length_b     8.71808
_cell_length_c     8.71808
_cell_angle_alpha  132.35804
_cell_angle_beta   132.35804
_cell_angle_gamma  69.66412
_cell_volume       354.87893
_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
  Ba1 Ba 0.50729 0.00729 0.50000 1.00000
  Ba2 Ba 0.75729 0.75729 0.00000 1.00000
  Ba3 Ba 0.99271 0.49271 0.50000 1.00000
  Ba4 Ba 0.24271 0.24271 0.00000 1.00000
  Bi1 Bi 0.00000 0.00000 0.00000 1.00000
  Bi2 Bi 0.75000 0.25000 0.50000 1.00000
  Br1 Br 0.25000 0.75000 0.50000 1.00000
  Br2 Br 0.50000 0.50000 0.00000 1.00000
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