Eu3Y

Traditional Materials TRA

MP-ID: mp-1184475 · Space group: P6_3/mmc (#194)

Materials Project API

Basic Information

Formula

Eu3Y

MP-ID

mp-1184475

Elements

Sites

Density

5.5879

g/cm³

Volume

323.79

Å³

Cell a

7.7311

Cell b

7.7311

Cell c

6.2554

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

Stability

Packing Fraction

0.7405

X-ray Diffraction

Diffraction Pattern

Target / Radiation

X-axis: 2θ (°); Y-axis: relative intensity; Cu Kα ; λ=1.5418 Å

Diffraction Peaks (Top 24)

2θ	d (Å)	I	hkl
19.42	4.5709	4.2	(1,0,-1,1)
23.01	3.8655	1.5	(2,-1,-1,0)
26.63	3.3477	15.4	(2,0,-2,0)
26.63	3.3477	7.7	(2,-2,0,0)
28.54	3.1277	25.9	(0,0,0,2)
30.28	2.9516	100.0	(2,0,-2,1)
36.97	2.4315	1.0	(2,-1,-1,2)
39.43	2.2854	16.3	(2,0,-2,2)
47.01	1.9328	6.5	(2,2,-4,0)
47.01	1.9328	13.0	(4,-2,-2,0)
51.64	1.7699	22.3	(2,0,-2,3)
54.85	1.6738	3.1	(4,0,-4,0)
55.92	1.6442	23.3	(4,-2,-2,2)
56.95	1.6169	11.0	(4,0,-4,1)
56.95	1.6169	5.5	(4,-4,0,1)
59.07	1.5639	3.3	(0,0,0,4)
62.98	1.4758	2.7	(4,0,-4,2)
62.98	1.4758	1.3	(4,-4,0,2)
65.93	1.4169	3.6	(2,0,-2,4)
72.40	1.3053	8.1	(4,0,-4,3)
75.08	1.2653	1.6	(6,-2,-4,0)
76.87	1.2402	9.1	(6,-2,-4,1)
76.87	1.2402	4.5	(6,-4,-2,1)
78.71	1.2157	8.6	(4,-2,-2,4)

Get direct link

Energy Properties

Formation Energy/atom

0.07106

eV/atom

Energy/atom

-33.89800

eV/atom

Energy above Hull

0.0711

eV/atom

Uncorrected Energy

-9.2383

eV/atom

Volume/atom

40.47

Å³

c/a Ratio

0.8091

Electronic Properties

Metallic

Metal

Band Gap

Direct Gap

CBM

N/A

Magnetic Properties

Magnetic

Yes

Total Mag. Moment

46.3721

μB

Mag. Ordering

Mag. Sites

Magnetization/Volume

0.143220

μB/Å³

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

Score

0.674

Family

Binary Alloy

Matrix Element

Eu · 0.750

Related Tasks

Related computation task IDs (2)

aaadeekd aaadturn

Citation & References

Materials Project Page

https://materialsproject.org/materials/mp-1184475

Reference Citation

The crystal structure and related material properties of Eu3Y were obtained from the Materials Project database (MP-ID: mp-1184475, 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

Loading 3D structure…

Style: Ball & Stick | Drag to rotate · Scroll to zoom · Right-click to pan

Raw CIF Data

# generated using pymatgen
data_Eu3Y
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.73108747
_cell_length_b   7.73108747
_cell_length_c   6.25539100
_cell_angle_alpha   90.00000000
_cell_angle_beta   90.00000000
_cell_angle_gamma   119.99999550
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Eu3Y
_chemical_formula_sum   'Eu6 Y2'
_cell_volume   323.79212848
_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  0.16955100  0.33910300  0.25000000  1.0
  Eu  Eu1  1  0.66089700  0.83044900  0.25000000  1.0
  Eu  Eu2  1  0.16955100  0.83044900  0.25000000  1.0
  Eu  Eu3  1  0.83044900  0.66089700  0.75000000  1.0
  Eu  Eu4  1  0.33910300  0.16955100  0.75000000  1.0
  Eu  Eu5  1  0.83044900  0.16955100  0.75000000  1.0
  Y  Y6  1  0.33333300  0.66666700  0.75000000  1.0
  Y  Y7  1  0.66666700  0.33333300  0.25000000  1.0

Get direct link