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VCo7N4

高熵材料 HEA

MP-ID: mp-1245557 · 空间群: P-43n (#218)

基础信息

化学式
VCo7N4
MP-ID
mp-1245557
元素数
3
位点数
96
密度
7.3581
g/cm³
体积
937.90
ų
晶胞参数 a
9.7886
Å
晶胞参数 b
9.7886
Å
晶胞参数 c
9.7886
Å
α 角
90.00
°
β 角
90.00
°
γ 角
90.00
°
空间群
P-43n
点群
-43m
晶体系统
Cubic
Bravais 格子
cP
稳定性
No
堆积分数
0.5236

能量属性

形成能/原子
0.12239
eV/atom
能量/原子
-7.57519
eV/atom
凸包距离
0.3761
eV/atom
未修正能量
-7.4549
eV/atom
体积/原子
9.77
ų
c/a 比
1.0000

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
30.3398
μB
磁有序
FiM
磁性位点数
62
磁化强度/体积
0.032350
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
Co · 0.583
元素家族
3d-TM
溶质分数
0.417
间隙分数
0.333
综合指标雷达(归一化)
元素类别占比
混合熵 ΔS/R
0.8877
高熵判据(>1.0 视为高熵)
混合熵 ΔS
7.3803
J/mol·K
Ω 参数
0.2498
Ω > 1.1 利于固溶体形成
原子尺寸错配 δr
22.206%
δr < 6.6% 利于单相固溶
电负性差 Δχ
0.5656
越小混合越稳定
VEC
7.333
价电子浓度,影响相稳定性
混合焓 ΔH_mix
-36.463
kJ/mol 且负值为放热混合
熵归一化
0.8080
固溶体倾向
0
相趋势
AM

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-1245557
参考引用

The crystal structure and related material properties of VCo7N4 were obtained from the Materials Project database (MP-ID: mp-1245557, 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
原始 CIF 数据
# generated using pymatgen
data_VCo7N4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   9.78856717
_cell_length_b   9.78856717
_cell_length_c   9.78856717
_cell_angle_alpha   90.00000000
_cell_angle_beta   90.00000000
_cell_angle_gamma   90.00000000
_symmetry_Int_Tables_number   1
_chemical_formula_structural   VCo7N4
_chemical_formula_sum   'V8 Co56 N32'
_cell_volume   937.90181439
_cell_formula_units_Z   8
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
  V  V0  1  0.50000000  0.50000000  0.50000000  1.0
  V  V1  1  0.00000000  -0.00000000  -0.00000000  1.0
  V  V2  1  0.50000000  -0.00000000  0.25000000  1.0
  V  V3  1  0.00000000  0.75000000  0.50000000  1.0
  V  V4  1  0.25000000  0.50000000  -0.00000000  1.0
  V  V5  1  0.00000000  0.25000000  0.50000000  1.0
  V  V6  1  0.75000000  0.50000000  -0.00000000  1.0
  V  V7  1  0.50000000  -0.00000000  0.75000000  1.0
  Co  Co8  1  0.00000000  -0.00000000  0.50000000  1.0
  Co  Co9  1  0.00000000  0.50000000  -0.00000000  1.0
  Co  Co10  1  0.50000000  -0.00000000  -0.00000000  1.0
  Co  Co11  1  0.50000000  -0.00000000  0.50000000  1.0
  Co  Co12  1  0.50000000  0.50000000  -0.00000000  1.0
  Co  Co13  1  0.00000000  0.50000000  0.50000000  1.0
  Co  Co14  1  0.00000000  0.50000000  0.25000000  1.0
  Co  Co15  1  0.50000000  0.75000000  -0.00000000  1.0
  Co  Co16  1  0.25000000  -0.00000000  0.50000000  1.0
  Co  Co17  1  0.50000000  0.25000000  -0.00000000  1.0
  Co  Co18  1  0.75000000  -0.00000000  0.50000000  1.0
  Co  Co19  1  0.00000000  0.50000000  0.75000000  1.0
  Co  Co20  1  0.29563011  0.70436989  0.29563011  1.0
  Co  Co21  1  0.70436989  0.29563011  0.29563011  1.0
  Co  Co22  1  0.29563011  0.29563011  0.70436989  1.0
  Co  Co23  1  0.70436989  0.70436989  0.70436989  1.0
  Co  Co24  1  0.79563011  0.79563011  0.20436989  1.0
  Co  Co25  1  0.20436989  0.79563011  0.79563011  1.0
  Co  Co26  1  0.79563011  0.20436989  0.79563011  1.0
  Co  Co27  1  0.20436989  0.20436989  0.20436989  1.0
  Co  Co28  1  0.50000000  0.50000000  0.24547794  1.0
  Co  Co29  1  0.50000000  0.75452206  0.50000000  1.0
  Co  Co30  1  0.24547794  0.50000000  0.50000000  1.0
  Co  Co31  1  0.50000000  0.24547794  0.50000000  1.0
  Co  Co32  1  0.75452206  0.50000000  0.50000000  1.0
  Co  Co33  1  0.50000000  0.50000000  0.75452206  1.0
  Co  Co34  1  0.00000000  0.74547794  -0.00000000  1.0
  Co  Co35  1  0.00000000  -0.00000000  0.25452206  1.0
  Co  Co36  1  0.74547794  -0.00000000  -0.00000000  1.0
  Co  Co37  1  0.00000000  -0.00000000  0.74547794  1.0
  Co  Co38  1  0.25452206  -0.00000000  -0.00000000  1.0
  Co  Co39  1  0.00000000  0.25452206  -0.00000000  1.0
  Co  Co40  1  0.56442757  0.74214262  0.24801660  1.0
  Co  Co41  1  0.25785738  0.75198340  0.56442757  1.0
  Co  Co42  1  0.24801660  0.43557243  0.25785738  1.0
  Co  Co43  1  0.43557243  0.25785738  0.24801660  1.0
  Co  Co44  1  0.74214262  0.24801660  0.56442757  1.0
  Co  Co45  1  0.75198340  0.56442757  0.25785738  1.0
  Co  Co46  1  0.56442757  0.25785738  0.75198340  1.0
  Co  Co47  1  0.25785738  0.24801660  0.43557243  1.0
  Co  Co48  1  0.24801660  0.56442757  0.74214262  1.0
  Co  Co49  1  0.43557243  0.74214262  0.75198340  1.0
  Co  Co50  1  0.74214262  0.75198340  0.43557243  1.0
  Co  Co51  1  0.75198340  0.43557243  0.74214262  1.0
  Co  Co52  1  0.06442757  0.74801660  0.24214262  1.0
  Co  Co53  1  0.75785738  0.06442757  0.25198340  1.0
  Co  Co54  1  0.74801660  0.75785738  0.93557243  1.0
  Co  Co55  1  0.93557243  0.74801660  0.75785738  1.0
  Co  Co56  1  0.24214262  0.06442757  0.74801660  1.0
  Co  Co57  1  0.25198340  0.75785738  0.06442757  1.0
  Co  Co58  1  0.06442757  0.25198340  0.75785738  1.0
  Co  Co59  1  0.75785738  0.93557243  0.74801660  1.0
  Co  Co60  1  0.74801660  0.24214262  0.06442757  1.0
  Co  Co61  1  0.93557243  0.25198340  0.24214262  1.0
  Co  Co62  1  0.24214262  0.93557243  0.25198340  1.0
  Co  Co63  1  0.25198340  0.24214262  0.93557243  1.0
  N  N64  1  0.39557956  0.60442044  0.39557956  1.0
  N  N65  1  0.60442044  0.39557956  0.39557956  1.0
  N  N66  1  0.39557956  0.39557956  0.60442044  1.0
  N  N67  1  0.60442044  0.60442044  0.60442044  1.0
  N  N68  1  0.89557956  0.89557956  0.10442044  1.0
  N  N69  1  0.10442044  0.89557956  0.89557956  1.0
  N  N70  1  0.89557956  0.10442044  0.89557956  1.0
  N  N71  1  0.10442044  0.10442044  0.10442044  1.0
  N  N72  1  0.38383006  0.89289509  0.11758059  1.0
  N  N73  1  0.10710491  0.88241941  0.38383006  1.0
  N  N74  1  0.11758059  0.61616994  0.10710491  1.0
  N  N75  1  0.61616994  0.10710491  0.11758059  1.0
  N  N76  1  0.89289509  0.11758059  0.38383006  1.0
  N  N77  1  0.88241941  0.38383006  0.10710491  1.0
  N  N78  1  0.38383006  0.10710491  0.88241941  1.0
  N  N79  1  0.10710491  0.11758059  0.61616994  1.0
  N  N80  1  0.11758059  0.38383006  0.89289509  1.0
  N  N81  1  0.61616994  0.89289509  0.88241941  1.0
  N  N82  1  0.89289509  0.88241941  0.61616994  1.0
  N  N83  1  0.88241941  0.61616994  0.89289509  1.0
  N  N84  1  0.88383006  0.61758059  0.39289509  1.0
  N  N85  1  0.60710491  0.88383006  0.38241941  1.0
  N  N86  1  0.61758059  0.60710491  0.11616994  1.0
  N  N87  1  0.11616994  0.61758059  0.60710491  1.0
  N  N88  1  0.39289509  0.88383006  0.61758059  1.0
  N  N89  1  0.38241941  0.60710491  0.88383006  1.0
  N  N90  1  0.88383006  0.38241941  0.60710491  1.0
  N  N91  1  0.60710491  0.11616994  0.61758059  1.0
  N  N92  1  0.61758059  0.39289509  0.88383006  1.0
  N  N93  1  0.11616994  0.38241941  0.39289509  1.0
  N  N94  1  0.39289509  0.11616994  0.38241941  1.0
  N  N95  1  0.38241941  0.39289509  0.11616994  1.0
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