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PmNdSi4

Alexandria ALEX

Alex-ID: agm078137802 · 空间群: P6/mmm (#191)

基础信息

化学式
PmNdSi4
Alex-ID
agm078137802
元素数
3
位点数
6
空间群
P6/mmm (#191)
晶系
hexagonal
体积
122.44
ų
晶胞参数 a
4.1011
Å
晶胞参数 b
4.1011
Å
晶胞参数 c
8.4062
Å
α 角
90.00
°
β 角
90.00
°
γ 角
120.00
°

组成

元素组成(原子分数)
组成信息
化学式
PmNdSi4
Pm
1.00 · 16.7%
Nd
1.00 · 16.7%
Si
4.00 · 66.7%

能量与稳定性

凸包上方能量
0.0414
eV/atom
形成能
-0.5702
eV/atom
校正后总能量
-34.6362
eV
原始总能量
-34.6362
eV

电子结构

间接带隙
0.0000
eV
直接带隙
0.0000
eV
费米能级态密度
3.6647
总磁矩
0.0000
μB

其他信息

原型 ID

ABC4_144_spg191

分解产物

Nd4Si7 Pm3Si5 Si

计算时间

2025-04-16 18:00:10

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: agm078137802).

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 agm078137802
data_agm078137802
_cell_length_a     4.10107
_cell_length_b     4.10107
_cell_length_c     8.40620
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  120.00000
_cell_volume       122.44034
_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
  Pm1 Pm 0.00000 0.00000 0.00000 1.00000
  Nd1 Nd 0.00000 0.00000 0.50000 1.00000
  Si1 Si 0.33333 0.66667 0.75176 1.00000
  Si2 Si 0.66667 0.33333 0.24824 1.00000
  Si3 Si 0.66667 0.33333 0.75176 1.00000
  Si4 Si 0.33333 0.66667 0.24824 1.00000
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