基础信息
化学式
Yb3GaAs3
MP-ID
mp-3300561
元素数
3
位点数
28
密度
8.1873
g/cm³
体积
660.06
ų
晶胞参数 a
4.1642
Å
晶胞参数 b
12.0230
Å
晶胞参数 c
13.1836
Å
α 角
90.00
°
β 角
90.00
°
γ 角
90.00
°
空间群
Pnma
点群
mmm
晶体系统
Orthorhombic
Bravais 格子
oP
稳定性
No
堆积分数
-
X 射线衍射
衍射图谱
横轴为 2θ (°),纵轴为相对强度,Cu Kα , λ=1.5418 Å
衍射峰(Top 24)
| 2θ | d (Å) | I | hkl |
|---|---|---|---|
| 14.74 | 6.0115 | 1.8 | (0,2,0) |
| 15.33 | 5.7801 | 1.1 | (0,1,2) |
| 16.20 | 5.4697 | 3.5 | (0,2,1) |
| 19.99 | 4.4418 | 5.3 | (0,2,2) |
| 21.53 | 4.1275 | 12.7 | (0,1,3) |
| 22.39 | 3.9709 | 30.5 | (1,0,1) |
| 23.20 | 3.8344 | 16.7 | (0,3,1) |
| 23.60 | 3.7705 | 26.4 | (1,1,1) |
| 25.10 | 3.5477 | 16.2 | (0,2,3) |
| 26.02 | 3.4244 | 2.4 | (0,3,2) |
| 26.03 | 3.4232 | 4.7 | (1,2,0) |
| 26.38 | 3.3787 | 8.3 | (1,1,2) |
| 26.91 | 3.3133 | 1.8 | (1,2,1) |
| 27.05 | 3.2959 | 1.4 | (0,0,4) |
| 28.07 | 3.1786 | 9.3 | (0,1,4) |
| 29.40 | 3.0379 | 22.5 | (1,2,2) |
| 29.55 | 3.0227 | 1.5 | (1,0,3) |
| 30.18 | 2.9612 | 38.9 | (0,3,3) |
| 30.49 | 2.9315 | 79.9 | (1,1,3) |
| 30.50 | 2.9305 | 14.5 | (0,4,1) |
| 30.94 | 2.8900 | 31.4 | (0,2,4) |
| 31.72 | 2.8207 | 70.7 | (1,3,1) |
| 32.75 | 2.7349 | 37.9 | (0,4,2) |
| 33.17 | 2.7005 | 100.0 | (1,2,3) |
能量属性
形成能/原子
-0.97337
eV/atom
能量/原子
-24.56672
eV/atom
凸包距离
0.5396
eV/atom
未修正能量
-24.5667
eV/atom
体积/原子
23.57
ų
c/a 比
3.1659
电子属性
金属性
金属
带隙
0
eV
直接带隙
No
CBM
N/A
eV
磁性属性
磁性
Yes
总磁矩
1.9003
μB
磁有序
FM
磁性位点数
12
磁化强度/体积
0.002880
μB/ų
弹性属性
弹性数据暂不开放
特征分析
元素组成(原子分数)
组成信息
主元 / 基质元素
Yb · 0.429
元素家族
Lanthanide
溶质分数
0.571
间隙分数
0.000
综合指标雷达(归一化)
元素类别占比
混合熵 ΔS/R
1.0042
高熵判据(>1.0 视为高熵)
混合熵 ΔS
8.3493
J/mol·K
Ω 参数
0.0000
Ω > 1.1 利于固溶体形成
原子尺寸错配 δr
19.498%
δr < 6.6% 利于单相固溶
电负性差 Δχ
0.5035
越小混合越稳定
VEC
7.714
价电子浓度,影响相稳定性
混合焓 ΔH_mix
0.000
kJ/mol 且负值为放热混合
熵归一化
0.9141
固溶体倾向
0
相趋势
IM
关联任务
关联的计算任务 ID(1 个)
引用参考
Materials Project 官方页面
https://materialsproject.org/materials/mp-3300561
参考引用
The crystal structure and related material properties of Yb3GaAs3 were obtained from the Materials Project database (MP-ID: mp-3300561, database version v2026.04.13).
文献引用
Horton, M.K., Huck, P., Yang, R.X. et al. Accelerated data-driven materials science with the Materials Project. Nat. Mater. 24, 1522–1532 (2025). https://doi.org/10.1038/s41563-025-02272-0
晶体结构 3D 渲染
加载 3D 结构...
样式: Ball & Stick
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原始 CIF 数据
# generated using pymatgen
data_Yb3GaAs3
_symmetry_space_group_name_H-M 'P 1'
_cell_length_a 4.16423535
_cell_length_b 12.02296343
_cell_length_c 13.18363430
_cell_angle_alpha 90.00000000
_cell_angle_beta 90.00000000
_cell_angle_gamma 90.00000000
_symmetry_Int_Tables_number 1
_chemical_formula_structural Yb3GaAs3
_chemical_formula_sum 'Yb12 Ga4 As12'
_cell_volume 660.05775896
_cell_formula_units_Z 4
loop_
_symmetry_equiv_pos_site_id
_symmetry_equiv_pos_as_xyz
1 'x, y, z'
loop_
_atom_site_type_symbol
_atom_site_label
_atom_site_symmetry_multiplicity
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
Yb Yb0 1 0.75000000 0.22620273 0.21700631 1.0
Yb Yb1 1 0.25000000 0.77379727 0.78299369 1.0
Yb Yb2 1 0.75000000 0.72620273 0.28299369 1.0
Yb Yb3 1 0.25000000 0.27379727 0.71700631 1.0
Yb Yb4 1 0.75000000 0.93669709 0.11016752 1.0
Yb Yb5 1 0.25000000 0.06330291 0.88983248 1.0
Yb Yb6 1 0.75000000 0.43669709 0.38983248 1.0
Yb Yb7 1 0.25000000 0.56330291 0.61016752 1.0
Yb Yb8 1 0.75000000 0.14813993 0.50199504 1.0
Yb Yb9 1 0.25000000 0.85186007 0.49800496 1.0
Yb Yb10 1 0.75000000 0.64813993 0.99800496 1.0
Yb Yb11 1 0.25000000 0.35186007 0.00199504 1.0
Ga Ga12 1 0.75000000 0.93623406 0.70265456 1.0
Ga Ga13 1 0.25000000 0.06376594 0.29734544 1.0
Ga Ga14 1 0.75000000 0.43623406 0.79734544 1.0
Ga Ga15 1 0.25000000 0.56376594 0.20265456 1.0
As As16 1 0.75000000 0.89198249 0.88876944 1.0
As As17 1 0.25000000 0.10801751 0.11123056 1.0
As As18 1 0.75000000 0.39198249 0.61123056 1.0
As As19 1 0.25000000 0.60801751 0.38876944 1.0
As As20 1 0.75000000 0.74866331 0.62101458 1.0
As As21 1 0.25000000 0.25133669 0.37898542 1.0
As As22 1 0.75000000 0.24866331 0.87898542 1.0
As As23 1 0.25000000 0.75133669 0.12101458 1.0
As As24 1 0.75000000 0.45775114 0.14836598 1.0
As As25 1 0.25000000 0.54224886 0.85163402 1.0
As As26 1 0.75000000 0.95775114 0.35163402 1.0
As As27 1 0.25000000 0.04224886 0.64836598 1.0
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