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LiMg6BO7

高熵材料 HEA

MP-ID: mp-1031178 · 空间群: P4mm (#99)

基础信息

化学式
LiMg6BO7
MP-ID
mp-1031178
元素数
4
位点数
15
密度
2.9583
g/cm³
体积
154.69
ų
晶胞参数 a
9.1119
Å
晶胞参数 b
4.1202
Å
晶胞参数 c
4.1202
Å
α 角
90.00
°
β 角
90.00
°
γ 角
90.00
°
空间群
P4mm
点群
4mm
晶体系统
Tetragonal
布拉维格子
Tetragonal P
稳定性
否
堆积分数
0.6800

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 24)
2θd (Å)Ihkl
9.71 9.1119 34.2 (1,0,0)
19.48 4.5560 1.4 (2,0,0)
21.57 4.1202 4.5 (0,1,0)
23.70 3.7542 8.5 (1,1,0)
29.22 3.0559 7.8 (2,1,0)
29.41 3.0373 15.8 (3,0,0)
30.69 2.9134 11.1 (0,1,1)
32.26 2.7750 16.1 (1,1,1)
36.61 2.4545 18.2 (2,1,1)
39.56 2.2780 46.4 (4,0,0)
43.95 2.0601 100.0 (0,2,0)
45.12 2.0094 2.6 (1,2,0)
50.05 1.8224 2.9 (5,0,0)
50.54 1.8061 1.5 (1,2,1)
50.88 1.7946 5.0 (4,1,1)
53.66 1.7082 2.1 (2,2,1)
53.77 1.7049 10.7 (3,2,0)
55.10 1.6666 3.9 (5,1,0)
59.86 1.5450 11.5 (5,1,1)
60.60 1.5280 43.7 (4,2,0)
63.91 1.4567 27.4 (0,2,2)
65.51 1.4249 2.2 (6,1,0)
68.78 1.3650 3.8 (5,2,0)
69.84 1.3467 4.2 (6,1,1)
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能量属性

形成能/原子
-2.33298
eV/atom
能量/原子
-5.86677
eV/atom
凸包距离
0.4984
eV/atom
未修正能量
-5.5462
eV/atom
体积/原子
10.31
ų
c/a 比
0.4522

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
0.6667
μB
磁有序
NM
磁性位点数
0
磁化强度/体积
0.004310
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
O · 0.467
元素家族
Metalloid-Nonmetal
溶质分数
0.533
间隙分数
0.067

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
1.0833
高熵判据(>1.0 视为高熵)
混合熵 ΔS
9.0062
J/mol·K
Ω 参数
1.4209
Ω > 1.1 利于固溶体形成
原子尺寸错配 δr
44.423%
δr < 6.6% 利于单相固溶
电负性差 Δχ
1.0575
越小混合越稳定
价电子浓度 VEC
2.933
价电子浓度,影响相稳定性
混合焓 ΔH_mix
-3.687
kJ/mol 且负值为放热混合
熵归一化
0.7814
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-1031178
参考引用

The crystal structure and related material properties of LiMg6BO7 were obtained from the Materials Project database (MP-ID: mp-1031178, 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_LiMg6BO7
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   9.11191451
_cell_length_b   4.12021328
_cell_length_c   4.12021328
_cell_angle_alpha   90.00000000
_cell_angle_beta   90.00000000
_cell_angle_gamma   90.00000000
_symmetry_Int_Tables_number   1
_chemical_formula_structural   LiMg6BO7
_chemical_formula_sum   'Li1 Mg6 B1 O7'
_cell_volume   154.68529560
_cell_formula_units_Z   1
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
  Li  Li0  1  0.97834924  0.00000000  -0.00000000  1.0
  Mg  Mg1  1  0.52186704  -0.00000000  -0.00000000  1.0
  Mg  Mg2  1  0.48271905  0.50000000  0.50000000  1.0
  Mg  Mg3  1  0.21543174  0.00000000  0.50000000  1.0
  Mg  Mg4  1  0.76145639  -0.00000000  0.50000000  1.0
  Mg  Mg5  1  0.21543174  0.50000000  0.00000000  1.0
  Mg  Mg6  1  0.76145639  0.50000000  -0.00000000  1.0
  B  B7  1  0.95371207  0.50000000  0.50000000  1.0
  O  O8  1  0.75281079  0.00000000  0.00000000  1.0
  O  O9  1  0.26241526  0.50000000  0.50000000  1.0
  O  O10  1  0.80195494  0.50000000  0.50000000  1.0
  O  O11  1  0.99321525  0.00000000  0.50000000  1.0
  O  O12  1  0.52798242  -0.00000000  0.50000000  1.0
  O  O13  1  0.99321525  0.50000000  0.00000000  1.0
  O  O14  1  0.52798242  0.50000000  0.00000000  1.0
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