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Sr2CaSi2

Alexandria ALEX

Alex-ID: agm002945708 · 空间群: I4/mmm (#139)

基础信息

化学式
Sr2CaSi2
Alex-ID
agm002945708
元素数
3
位点数
5
空间群
I4/mmm (#139)
晶系
tetragonal
体积
154.74
ų
晶胞参数 a
4.8650
Å
晶胞参数 b
4.8650
Å
晶胞参数 c
7.3877
Å
α 角
70.78
°
β 角
70.78
°
γ 角
90.00
°

组成

元素组成(原子分数)
组成信息
化学式
Sr2CaSi2
Sr
2.00 · 40.0%
Ca
1.00 · 20.0%
Si
2.00 · 40.0%

能量与稳定性

凸包上方能量
0.3477
eV/atom
形成能
-0.1105
eV/atom
校正后总能量
-16.7794
eV
原始总能量
-16.7794
eV

电子结构

间接带隙
0.0000
eV
直接带隙
0.0003
eV
费米能级态密度
4.5590
总磁矩
0.7679
μB

其他信息

原型 ID

AB2C2_5_spg139

分解产物

SrCaSi SrSi

计算时间

2017-11-05 01:43:42

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: agm002945708).

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 agm002945708
data_agm002945708
_cell_length_a     4.86503
_cell_length_b     4.86503
_cell_length_c     7.38772
_cell_angle_alpha  70.77588
_cell_angle_beta   70.77588
_cell_angle_gamma  90.00000
_cell_volume       154.74235
_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
  Sr1 Sr 0.75000 0.25000 0.50000 1.00000
  Sr2 Sr 0.25000 0.75000 0.50000 1.00000
  Ca1 Ca 0.00000 0.00000 0.00000 1.00000
  Si1 Si 0.41157 0.41157 0.17687 1.00000
  Si2 Si 0.58843 0.58843 0.82313 1.00000
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