Eu3Lu
Traditional Materials TRAMP-ID: mp-1184432 · Space group: P6_3/mmc (#194)
Basic Information
Formula
Eu3Lu
MP-ID
mp-1184432
Elements
2
Sites
8
Density
6.9045
g/cm³
Volume
303.44
ų
Cell a
7.5944
Å
Cell b
7.5944
Å
Cell c
6.0752
Å
α Angle
90.00
°
β Angle
90.00
°
γ Angle
120.00
°
Space Group
P6_3/mmc
Point Group
6/mmm
Crystal System
Hexagonal
Bravais Lattice
hP
Stability
No
Packing Fraction
0.7405
X-ray Diffraction
Diffraction Pattern
X-axis: 2θ (°); Y-axis: relative intensity; Cu Kα ; λ=1.5418 Å
Diffraction Peaks (Top 24)
| 2θ | d (Å) | I | hkl |
|---|---|---|---|
| 27.12 | 3.2885 | 23.3 | (2,0,-2,0) |
| 29.40 | 3.0376 | 25.3 | (0,0,0,2) |
| 30.92 | 2.8920 | 100.0 | (2,0,-2,1) |
| 40.42 | 2.2313 | 16.2 | (2,0,-2,2) |
| 47.91 | 1.8986 | 19.7 | (4,-2,-2,0) |
| 53.11 | 1.7243 | 21.9 | (2,0,-2,3) |
| 55.92 | 1.6442 | 1.0 | (4,-4,0,0) |
| 55.92 | 1.6442 | 2.1 | (4,0,-4,0) |
| 57.22 | 1.6100 | 15.5 | (4,-2,-2,2) |
| 57.22 | 1.6100 | 7.7 | (2,2,-4,2) |
| 58.12 | 1.5871 | 16.6 | (4,0,-4,1) |
| 61.01 | 1.5188 | 3.2 | (0,0,0,4) |
| 64.44 | 1.4460 | 4.1 | (4,0,-4,2) |
| 67.99 | 1.3788 | 3.5 | (2,0,-2,4) |
| 74.31 | 1.2765 | 2.7 | (4,-4,0,3) |
| 74.31 | 1.2765 | 5.4 | (4,0,-4,3) |
| 76.67 | 1.2429 | 1.6 | (6,-2,-4,0) |
| 78.56 | 1.2177 | 13.9 | (6,-2,-4,1) |
| 81.09 | 1.1860 | 8.6 | (4,-2,-2,4) |
| 84.16 | 1.1504 | 2.6 | (6,-2,-4,2) |
| 84.16 | 1.1504 | 1.3 | (4,2,-6,2) |
| 85.13 | 1.1397 | 5.8 | (2,0,-2,5) |
| 87.42 | 1.1157 | 1.2 | (4,0,-4,4) |
| 89.38 | 1.0962 | 1.2 | (6,-6,0,0) |
Energy Properties
Formation Energy/atom
0.08706
eV/atom
Energy/atom
-38.32357
eV/atom
Energy above Hull
0.0871
eV/atom
Uncorrected Energy
-8.7359
eV/atom
Volume/atom
37.93
ų
c/a Ratio
0.8000
Electronic Properties
Metallic
Metal
Band Gap
0
eV
Direct Gap
No
CBM
N/A
eV
Magnetic Properties
Magnetic
Yes
Total Mag. Moment
44.9759
μB
Mag. Ordering
FM
Mag. Sites
8
Magnetization/Volume
0.148220
μB/ų
Elastic Properties
Elastic data not available
Feature Analysis
Composition Overview
Element Composition (atomic fraction)
Composition Info
Major / Matrix Element
Eu · 0.750
Element Family
N/A
Solute Fraction
0.250
Interstitial Fraction
0.000
Traditional Material Features
ROM Blended-Feature Radar
Rating & Classification
Tier
A
Score
0.583
Family
Binary Alloy
Matrix Element
Eu · 0.750
Related Tasks
Citation & References
Materials Project Page
https://materialsproject.org/materials/mp-1184432
Reference Citation
The crystal structure and related material properties of Eu3Lu were obtained from the Materials Project database (MP-ID: mp-1184432, database version v2026.04.13).
Literature Citation
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
3D Crystal Structure Rendering
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Raw CIF Data
# generated using pymatgen
data_Eu3Lu
_symmetry_space_group_name_H-M 'P 1'
_cell_length_a 7.59442031
_cell_length_b 7.59442031
_cell_length_c 6.07515500
_cell_angle_alpha 90.00000000
_cell_angle_beta 90.00000000
_cell_angle_gamma 120.00000266
_symmetry_Int_Tables_number 1
_chemical_formula_structural Eu3Lu
_chemical_formula_sum 'Eu6 Lu2'
_cell_volume 303.44308223
_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
Eu Eu0 1 0.83001600 0.66003300 0.75000000 1.0
Eu Eu1 1 0.16998400 0.83001600 0.25000000 1.0
Eu Eu2 1 0.66003300 0.83001600 0.25000000 1.0
Eu Eu3 1 0.16998400 0.33996700 0.25000000 1.0
Eu Eu4 1 0.33996700 0.16998400 0.75000000 1.0
Eu Eu5 1 0.83001600 0.16998400 0.75000000 1.0
Lu Lu6 1 0.33333300 0.66666700 0.75000000 1.0
Lu Lu7 1 0.66666700 0.33333300 0.25000000 1.0
