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Ca2Pr4Er

Alexandria ALEX

Alex-ID: agm017355906 · 空间群: I4/mmm (#139)

基础信息

化学式
Ca2Pr4Er
Alex-ID
agm017355906
元素数
3
位点数
7
空间群
I4/mmm (#139)
晶系
tetragonal
体积
258.18
ų
晶胞参数 a
18.7679
Å
晶胞参数 b
18.7679
Å
晶胞参数 c
18.7679
Å
α 角
168.60
°
β 角
168.60
°
γ 角
16.15
°

组成

元素组成(原子分数)
组成信息
化学式
Ca2Pr4Er
Ca
2.00 · 28.6%
Pr
4.00 · 57.1%
Er
1.00 · 14.3%

能量与稳定性

凸包上方能量
0.0310
eV/atom
形成能
0.0305
eV/atom
校正后总能量
-27.4890
eV
原始总能量
-27.4890
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
10.4128
总磁矩
-0.0001
μB

其他信息

原型 ID

AB2C4_916_spg65

分解产物

Pr2Er7 Ca Pr

计算时间

2025-06-09 23:30:41

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: agm017355906).

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 agm017355906
data_agm017355906
_cell_length_a     18.76791
_cell_length_b     18.76791
_cell_length_c     18.76791
_cell_angle_alpha  168.60176
_cell_angle_beta   168.60176
_cell_angle_gamma  16.14635
_cell_volume       258.17847
_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
  Ca1 Ca 0.21051 0.21051 1.00000 1.00000
  Ca2 Ca 0.78949 0.78949 0.00000 1.00000
  Pr1 Pr 0.06689 0.06689 0.00000 1.00000
  Pr2 Pr 0.93311 0.93311 0.00000 1.00000
  Pr3 Pr 0.36563 0.36563 0.00000 1.00000
  Pr4 Pr 0.63437 0.63437 0.00000 1.00000
  Er1 Er 0.50000 0.50000 0.00000 1.00000
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