EuCdIn4O8

高熵材料 HEA

MP-ID: mp-3295728 · Space group: F-43m (#216)

Materials Project API

Basic Information

Formula

EuCdIn4O8

MP-ID

mp-3295728

Elements

Sites

Density

6.9343

g/cm³

Volume

203.94

Å³

Cell a

6.6067

Cell b

6.6067

Cell c

6.6067

α Angle

119.99

β Angle

90.02

γ Angle

119.99

Space Group

F-43m

Point Group

-43m

Crystal System

Cubic

Bravais Lattice

Stability

Yes

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
16.43	5.3946	7.4	(1,-1,0)
26.99	3.3038	8.1	(1,1,-1)
26.99	3.3038	8.1	(1,-1,-1)
26.99	3.3034	32.4	(2,-1,0)
31.76	2.8174	100.0	(2,0,-1)
31.77	2.8169	50.0	(2,-2,1)
33.21	2.6973	29.7	(2,-2,0)
38.54	2.3362	8.7	(2,0,-2)
38.55	2.3355	4.3	(2,-2,2)
47.68	1.9074	4.8	(1,2,-3)
47.68	1.9074	7.9	(3,-2,-1)
47.69	1.9071	4.8	(3,-3,1)
47.69	1.9071	1.6	(1,-1,3)
50.77	1.7984	27.8	(3,0,-2)
50.77	1.7984	4.0	(0,2,1)
50.77	1.7982	2.7	(0,3,-3)
50.77	1.7982	8.0	(3,0,0)
50.78	1.7979	15.9	(3,-3,2)
55.64	1.6519	9.8	(2,2,-2)
55.64	1.6519	9.8	(2,-2,-2)
55.65	1.6517	29.3	(4,-2,0)
55.65	1.6517	9.8	(2,0,2)
62.90	1.4775	1.9	(3,1,-3)
62.90	1.4775	1.3	(4,-1,-2)

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Energy Properties

Formation Energy/atom

-1.97236

eV/atom

Energy/atom

-16.02382

eV/atom

Energy above Hull

0.0000

eV/atom

Uncorrected Energy

-16.0238

eV/atom

Volume/atom

14.57

Å³

c/a Ratio

1.0000

Electronic Properties

Metallic

Metal

Band Gap

Direct Gap

CBM

N/A

Magnetic Properties

Magnetic

Yes

Total Mag. Moment

6.7487

μB

Mag. Ordering

Mag. Sites

Magnetization/Volume

0.033090

μB/Å³

Elastic Properties

Elastic data not available

Feature Analysis

Element Composition (atomic fraction)

Composition Info

Major / Matrix Element

O · 0.571

Element Family

Metalloid-Nonmetal

Solute Fraction

0.429

Interstitial Fraction

0.000

Composite Radar (normalized)

Element-Class Share

Mix Entropy ΔS/R

1.0547

HEA criterion (>1.0 = high entropy)

Mix Entropy ΔS

8.7689

J/mol·K

Ω Parameter

2.5699

Ω > 1.1 favors solid solution

Atomic Size Mismatch δr

50.476%

δr < 6.6% favors single-phase solid solution

Electronegativity Diff Δχ

0.8877

smaller = more stable mixing

VEC

4.500

valence electron concentration, affects phase stability

Mix Enthalpy ΔH_mix

-0.938

kJ/mol; negative = exothermic mixing

Entropy Norm

0.7608

SS Former

Phase Tendency

Related Tasks

Related computation task IDs (1)

aaahfniu

Citation & References

Materials Project Page

https://materialsproject.org/materials/mp-3295728

Reference Citation

The crystal structure and related material properties of EuCdIn4O8 were obtained from the Materials Project database (MP-ID: mp-3295728, 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…

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Raw CIF Data

# generated using pymatgen
data_EuCdIn4O8
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.60669725
_cell_length_b   6.60669721
_cell_length_c   6.60669683
_cell_angle_alpha   119.99044823
_cell_angle_beta   90.01655835
_cell_angle_gamma   119.99044069
_symmetry_Int_Tables_number   1
_chemical_formula_structural   EuCdIn4O8
_chemical_formula_sum   'Eu1 Cd1 In4 O8'
_cell_volume   203.93927240
_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
  Eu  Eu0  1  0.75000100  0.50000100  0.25000000  1.0
  Cd  Cd1  1  0.00000000  0.00000000  0.00000000  1.0
  In  In2  1  0.37489258  0.74977427  0.12466484  1.0
  In  In3  1  0.87533616  0.25022673  0.62510842  1.0
  In  In4  1  0.37489158  0.25022673  0.62511831  1.0
  In  In5  1  0.37488169  0.74977427  0.62510842  1.0
  O  O6  1  0.60851938  0.21714605  0.39137333  1.0
  O  O7  1  0.17422828  0.78285495  0.39137433  1.0
  O  O8  1  0.60862667  0.78285495  0.39147962  1.0
  O  O9  1  0.13853079  0.27715651  0.41568730  1.0
  O  O10  1  0.60862567  0.21714605  0.82577272  1.0
  O  O11  1  0.13853079  0.72284249  0.86137427  1.0
  O  O12  1  0.13862573  0.27715651  0.86146921  1.0
  O  O13  1  0.58431270  0.72284249  0.86146921  1.0

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