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Er8Ga3CuSe4

Alexandria ALEX

Alex-ID: agm004720002 · 空间群: R-3m (#166)

Alexandria Database API

基础信息

化学式
Er8Ga3CuSe4
Alex-ID
agm004720002
元素数
4
位点数
16
空间群
R-3m (#166)
晶系
trigonal
体积
383.28
ų
晶胞参数 a
7.8388
Å
晶胞参数 b
8.5067
Å
晶胞参数 c
7.8359
Å
α 角
117.40
°
β 角
120.01
°
γ 角
90.00
°

组成

元素组成（原子分数）
组成信息
化学式
Er8Ga3CuSe4
Er
8.00 · 50.0%
Ga
3.00 · 18.8%
Cu
1.00 · 6.3%
Se
4.00 · 25.0%

能量与稳定性

凸包上方能量
0.0834
eV/atom
形成能
-1.0808
eV/atom
校正后总能量
-81.0062
eV
原始总能量
-81.0062
eV

电子结构

间接带隙
0.0000
eV
直接带隙
0.0041
eV
费米能级态密度
8.4890
总磁矩
0.0000
μB

其他信息

原型 ID

AB3C4D8_70_spg166

分解产物

Er2GaSe Er4GaSe3 ErCu

计算时间

2023-02-03 13:42:48.070075

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: agm004720002).

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 agm004720002
data_agm004720002
_cell_length_a     7.83876
_cell_length_b     8.50675
_cell_length_c     7.83594
_cell_angle_alpha  117.39855
_cell_angle_beta   120.01192
_cell_angle_gamma  90.00000
_cell_volume       383.27985
_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 0.24839 0.75064 0.00237 1.00000
  Er2 Er 0.24844 0.75068 0.49688 1.00000
  Er3 Er 0.24864 0.24602 0.49727 1.00000
  Er4 Er 0.75398 0.75064 0.00237 1.00000
  Er5 Er 0.24602 0.24936 0.99763 1.00000
  Er6 Er 0.75136 0.75398 0.50273 1.00000
  Er7 Er 0.75156 0.24932 0.50312 1.00000
  Er8 Er 0.75161 0.24936 0.99763 1.00000
  Ga1 Ga 0.50000 0.50000 0.00000 1.00000
  Ga2 Ga 0.50000 0.50000 0.50000 1.00000
  Ga3 Ga 0.00000 0.50000 0.50000 1.00000
  Cu1 Cu 0.00000 0.50000 0.00000 1.00000
  Se1 Se 0.50000 0.00000 0.00000 1.00000
  Se2 Se 0.50000 0.00000 0.50000 1.00000
  Se3 Se 0.00000 0.00000 0.00000 1.00000
  Se4 Se 0.00000 0.00000 0.50000 1.00000
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