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Te2W2SeS

高熵材料 HEA

MP-ID: mp-1028732 · 空间群: P3m1 (#156)

基础信息

化学式
Te2W2SeS
MP-ID
mp-1028732
元素数
4
位点数
12
密度
6.2744
g/cm³
体积
388.46
ų
晶胞参数 a
3.3969
Å
晶胞参数 b
3.3969
Å
晶胞参数 c
38.8731
Å
α 角
90.00
°
β 角
90.00
°
γ 角
120.00
°
空间群
P3m1
点群
3m
晶体系统
Trigonal
布拉维格子
Trigonal P
稳定性
否
堆积分数
0.7400

X 射线衍射

衍射图谱
横轴为 2θ (°),纵轴为相对强度,CuKa , λ=1.5406 Å
衍射峰(Top 13)
2θd (Å)Ihkl
2.27 38.8731 100.0 (0,0,0,1)
4.55 19.4366 22.4 (0,0,0,2)
6.82 12.9577 3.4 (0,0,0,3)
11.38 7.7746 10.2 (0,0,0,5)
13.67 6.4789 2.0 (0,0,0,6)
30.38 2.9418 3.1 (1,0,-1,0)
32.54 2.7514 1.4 (1,0,-1,5)
35.68 2.5166 8.3 (1,0,-1,8)
38.37 2.3458 1.0 (1,0,-1,10)
43.14 2.0971 4.6 (1,0,-1,13)
44.89 2.0193 1.4 (1,0,-1,14)
53.99 1.6985 1.6 (2,-1,-1,0)
55.37 1.6593 1.2 (2,-1,-1,5)
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能量属性

形成能/原子
-0.27757
eV/atom
能量/原子
-29.59685
eV/atom
凸包距离
0.1525
eV/atom
未修正能量
-6.9624
eV/atom
体积/原子
32.37
ų
c/a 比
11.4437

电子属性

金属性
金属
带隙
0
eV
直接带隙
否
导带底 CBM
N/A
eV

磁性属性

磁性
否
总磁矩
0.0001
μB
磁有序
NM
磁性位点数
0
磁化强度/体积
0.000000
μB/ų

弹性属性

弹性数据暂不开放

特征分析

组成概览

元素组成(原子分数)
组成信息
主元 / 基质元素
Te · 0.333
元素家族
Metalloid-Nonmetal
溶质分数
0.667
间隙分数
0.000

高熵合金特征

综合指标雷达(归一化)
元素类别占比
混合熵 ΔS/R
1.3297
高熵判据(>1.0 视为高熵)
混合熵 ΔS
11.0548
J/mol·K
Ω 参数
5.0353
Ω > 1.1 利于固溶体形成
原子尺寸错配 δr
11.439%
δr < 6.6% 利于单相固溶
电负性差 Δχ
0.1905
越小混合越稳定
价电子浓度 VEC
5.000
价电子浓度,影响相稳定性
混合焓 ΔH_mix
3.556
kJ/mol 且负值为放热混合
熵归一化
0.9591
固溶体倾向
0
相趋势
IM

关联任务

关联的计算任务 ID(2 个)

引用参考

Materials Project 官方页面
https://materialsproject.org/materials/mp-1028732
参考引用

The crystal structure and related material properties of Te2W2SeS were obtained from the Materials Project database (MP-ID: mp-1028732, 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

BibTeX
@article{Horton2025,
  author  = {Horton, Matthew K. and Huck, Patrick and Yang, Ruo Xi and Munro, Jason M. and Dwaraknath, Shyam and Ganose, Alex M. and Kingsbury, Ryan S. and Wen, Mingjian and Shen, Jimmy X. and Mathis, Tyler S. and Kaplan, Aaron D. and Berket, Karlo and Riebesell, Janosh and George, Janine and Rosen, Andrew S. and Spotte-Smith, Evan W. C. and McDermott, Matthew J. and Cohen, Orion A. and Dunn, Alex and Kuner, Matthew C. and Rignanese, Gian-Marco and Petretto, Guido and Waroquiers, David and Griffin, Sinead M. and Neaton, Jeffrey B. and Chrzan, Daryl C. and Asta, Mark and Hautier, Geoffroy and Cholia, Shreyas and Ceder, Gerbrand and Ong, Shyue Ping and Jain, Anubhav and Persson, Kristin A.},
  title   = {Accelerated data-driven materials science with the Materials Project},
  journal = {Nature Materials},
  year    = {2025},
  volume  = {24},
  number  = {10},
  pages   = {1522--1532},
  month   = {oct},
  doi     = {10.1038/s41563-025-02272-0},
  issn    = {1476-4660},
  url     = {https://doi.org/10.1038/s41563-025-02272-0},
  abstract = {The Materials Project was launched formally in 2011 to drive materials discovery forwards through high-throughput computation and open data. More than a decade later, the Materials Project has become an indispensable tool used by more than 600,000 materials researchers around the world. This Perspective describes how the Materials Project, as a data platform and a software ecosystem, has helped to shape research in data-driven materials science. We cover how sustainable software and computational methods have accelerated materials design while becoming more open source and collaborative in nature. Next, we present cases where the Materials Project was used to understand and discover functional materials. We then describe our efforts to meet the needs of an expanding user base, through technical infrastructure updates ranging from data architecture and cloud resources to interactive web applications. Finally, we discuss opportunities to better aid the research community, with the vision that more accessible and easy-to-understand materials data will result in democratized materials knowledge and an increasingly collaborative community.}
}

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_Te2W2SeS
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.39690969
_cell_length_b   3.39690969
_cell_length_c   38.87313900
_cell_angle_alpha   90.00000000
_cell_angle_beta   90.00000000
_cell_angle_gamma   119.99999402
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Te2W2SeS
_chemical_formula_sum   'Te4 W4 Se2 S2'
_cell_volume   388.46175841
_cell_formula_units_Z   2
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
  Te  Te0  1  0.00000000  0.00000000  0.70601100  1.0
  Te  Te1  1  0.33333300  0.66666700  0.42115900  1.0
  Te  Te2  1  0.33333300  0.66666700  0.51803200  1.0
  Te  Te3  1  0.00000000  0.00000000  0.60914600  1.0
  W  W4  1  0.00000000  0.00000000  0.09392900  1.0
  W  W5  1  0.00000000  0.00000000  0.46961000  1.0
  W  W6  1  0.33333300  0.66666700  0.28180600  1.0
  W  W7  1  0.33333300  0.66666700  0.65761400  1.0
  Se  Se8  1  0.33333300  0.66666700  0.05135500  1.0
  Se  Se9  1  0.33333300  0.66666700  0.13649600  1.0
  S  S10  1  0.00000000  0.00000000  0.32059700  1.0
  S  S11  1  0.00000000  0.00000000  0.24299200  1.0
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