Dy2Er10GaCo5

High-Entropy Materials HEA

MP-ID: mp-3294187 · Space group: C2/m (#12)

Materials Project API

Basic Information

Formula

Dy2Er10GaCo5

MP-ID

mp-3294187

Elements

Sites

Density

9.4763

g/cm³

Volume

413.89

Å³

Cell a

8.1356

Cell b

8.1356

Cell c

8.1350

α Angle

110.40

β Angle

111.02

γ Angle

107.02

Space Group

C2/m

Point Group

2/m

Crystal System

Monoclinic

Bravais Lattice

Stability

Packing Fraction

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
13.27	6.6724	3.5	(1,0,0)
13.27	6.6724	3.5	(0,1,-1)
13.54	6.5406	9.2	(1,-1,0)
13.54	6.5399	5.7	(0,0,1)
18.34	4.8379	3.0	(1,1,-1)
22.86	3.8895	3.1	(2,0,-1)
22.86	3.8894	1.2	(1,1,0)
22.86	3.8894	1.2	(1,1,-2)
26.61	3.3498	6.5	(0,2,0)
26.61	3.3498	6.5	(2,0,-2)
26.72	3.3362	27.5	(2,0,0)
26.72	3.3362	27.5	(0,2,-2)
27.27	3.2703	10.9	(2,-2,0)
27.27	3.2700	11.4	(0,0,2)
29.31	3.0467	24.8	(1,2,-1)
29.31	3.0467	24.8	(2,1,-2)
29.34	3.0441	21.8	(2,1,-1)
29.34	3.0441	21.8	(1,2,-2)
30.32	2.9480	45.2	(1,-2,-1)
30.32	2.9480	45.2	(2,-1,-2)
30.47	2.9341	20.0	(2,-2,-1)
30.47	2.9340	19.8	(1,-1,-2)
30.54	2.9273	8.1	(2,-1,1)
30.54	2.9273	8.1	(1,-2,2)

Get direct link

Energy Properties

Formation Energy/atom

-0.19822

eV/atom

Energy/atom

-26.91110

eV/atom

Energy above Hull

0.0070

eV/atom

Uncorrected Energy

-26.9111

eV/atom

Volume/atom

22.99

Å³

c/a Ratio

0.9999

Electronic Properties

Metallic

Metal

Band Gap

Direct Gap

CBM

N/A

Magnetic Properties

Magnetic

Yes

Total Mag. Moment

0.2373

μB

Mag. Ordering

FiM

Mag. Sites

Magnetization/Volume

0.000570

μB/Å³

Elastic Properties

Elastic data not available

Feature Analysis

Composition Overview

Element Composition (atomic fraction)

Composition Info

Major / Matrix Element

Er · 0.556

Element Family

Lanthanide

Solute Fraction

0.444

Interstitial Fraction

0.000

High-Entropy Alloy Features

Composite Radar (normalized)

Element-Class Share

Mix Entropy ΔS/R

1.0871

HEA criterion (>1.0 = high entropy)

Mix Entropy ΔS

9.0379

J/mol·K

Ω Parameter

180.8289

Ω > 1.1 favors solid solution

Atomic Size Mismatch δr

14.404%

δr < 6.6% favors single-phase solid solution

Electronegativity Diff Δχ

0.2982

smaller = more stable mixing

VEC

10.444

valence electron concentration, affects phase stability

Mix Enthalpy ΔH_mix

-0.085

kJ/mol; negative = exothermic mixing

Entropy Norm

0.7842

SS Former

Phase Tendency

Related Tasks

Related computation task IDs (1)

aaahflbn

Citation & References

Materials Project Page

https://materialsproject.org/materials/mp-3294187

Reference Citation

The crystal structure and related material properties of Dy2Er10GaCo5 were obtained from the Materials Project database (MP-ID: mp-3294187, 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_Dy2Er10GaCo5
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.13554582
_cell_length_b   8.13554757
_cell_length_c   8.13497466
_cell_angle_alpha   110.40236788
_cell_angle_beta   111.01899585
_cell_angle_gamma   107.02320614
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Dy2Er10GaCo5
_chemical_formula_sum   'Dy2 Er10 Ga1 Co5'
_cell_volume   413.89190954
_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
  Dy  Dy0  1  0.28792804  0.18480704  0.47273738  1.0
  Dy  Dy1  1  0.71207196  0.81519296  0.52726262  1.0
  Er  Er2  1  0.28750056  0.81461567  0.10211740  1.0
  Er  Er3  1  0.71249944  0.18538433  0.89788260  1.0
  Er  Er4  1  0.61842097  0.31544250  0.30158020  1.0
  Er  Er5  1  0.38157903  0.68455750  0.69841980  1.0
  Er  Er6  1  0.01386467  0.31684147  0.69842099  1.0
  Er  Er7  1  0.98613533  0.68315853  0.30157901  1.0
  Er  Er8  1  0.21712705  0.41160130  0.19319514  1.0
  Er  Er9  1  0.78287295  0.58839870  0.80680486  1.0
  Er  Er10  1  0.21840880  0.02393454  0.80680551  1.0
  Er  Er11  1  0.78159120  0.97606546  0.19319449  1.0
  Ga  Ga12  1  0.50000000  0.50000000  0.00000000  1.0
  Co  Co13  1  0.99845292  0.37889085  0.37734723  1.0
  Co  Co14  1  0.00154708  0.62110915  0.62265277  1.0
  Co  Co15  1  0.38768174  0.88768708  0.50000285  1.0
  Co  Co16  1  0.61231826  0.11231292  0.49999715  1.0
  Co  Co17  1  0.00000000  0.00000000  0.00000000  1.0

Get direct link