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Yb2As

Alexandria ALEX

Alex-ID: agm002136557 · 空间群: I4/mmm (#139)

基础信息

化学式
Yb2As
Alex-ID
agm002136557
元素数
2
位点数
6
空间群
I4/mmm (#139)
晶系
tetragonal
体积
158.99
ų
晶胞参数 a
4.4826
Å
晶胞参数 b
4.4826
Å
晶胞参数 c
8.5230
Å
α 角
105.24
°
β 角
105.24
°
γ 角
89.99
°

组成

元素组成(原子分数)
组成信息
化学式
Yb2As
As
2.00 · 33.3%
Yb
4.00 · 66.7%

能量与稳定性

凸包上方能量
0.0372
eV/atom
形成能
-0.9720
eV/atom
校正后总能量
-21.2351
eV
原始总能量
-21.2351
eV

电子结构

间接带隙
0.0000
eV
直接带隙
0.1821
eV
费米能级态密度
0.5434
总磁矩
0.0000
μB

其他信息

原型 ID

AB2_150_spg139

分解产物

Yb5As3 Yb

计算时间

2018-05-22 10:49:57

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: agm002136557).

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 agm002136557
data_agm002136557
_cell_length_a     4.48262
_cell_length_b     4.48262
_cell_length_c     8.52303
_cell_angle_alpha  105.23889
_cell_angle_beta   105.23889
_cell_angle_gamma  89.99372
_cell_volume       158.99065
_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
  As1 As 0.13468 0.13468 0.26955 1.00000
  As2 As 0.86532 0.86532 0.73045 1.00000
  Yb1 Yb 0.50000 0.00000 0.00000 1.00000
  Yb2 Yb 0.00000 0.50000 0.00000 1.00000
  Yb3 Yb 0.32153 0.32153 0.64287 1.00000
  Yb4 Yb 0.67847 0.67847 0.35713 1.00000
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