Dy7TmC10

High-Entropy Materials HEA Traditional Materials TRA

MP-ID: mp-3296734 · Space group: Pm (#6)

Materials Project API

Basic Information

Formula

Dy7TmC10

MP-ID

mp-3296734

Elements

Sites

Density

8.3351

g/cm³

Volume

284.20

Å³

Cell a

3.6625

Cell b

6.5480

Cell c

11.8505

α Angle

89.85

β Angle

90.00

γ Angle

90.00

Space Group

Point Group

Crystal System

Monoclinic

Bravais Lattice

Stability

Yes

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
15.44	5.7376	9.2	(0,1,1)
15.48	5.7250	8.8	(0,1,-1)
26.32	3.3863	8.1	(0,1,3)
26.38	3.3785	8.0	(0,1,-3)
27.24	3.2740	14.5	(0,2,0)
28.26	3.1579	14.5	(0,2,1)
28.30	3.1537	13.8	(0,2,-1)
28.65	3.1154	100.0	(1,0,2)
28.92	3.0872	3.4	(1,1,1)
28.94	3.0852	3.4	(1,1,-1)
30.17	2.9626	9.9	(0,0,4)
31.18	2.8688	16.3	(0,2,2)
31.25	2.8625	16.5	(0,2,-2)
31.79	2.8147	27.6	(1,1,2)
31.83	2.8117	27.3	(1,1,-2)
33.16	2.7018	35.2	(0,1,4)
33.22	2.6966	35.4	(0,1,-4)
35.57	2.5240	3.4	(0,2,3)
35.66	2.5175	3.6	(0,2,-3)
36.13	2.4864	12.0	(1,1,3)
36.17	2.4833	11.4	(1,1,-3)
36.82	2.4409	33.0	(1,2,0)
37.61	2.3916	23.9	(1,2,1)
37.64	2.3898	24.8	(1,2,-1)

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Energy Properties

Formation Energy/atom

-0.50107

eV/atom

Energy/atom

-20.41584

eV/atom

Energy above Hull

0.0000

eV/atom

Uncorrected Energy

-20.4158

eV/atom

Volume/atom

15.79

Å³

c/a Ratio

3.2356

Electronic Properties

Metallic

Metal

Band Gap

Direct Gap

CBM

N/A

Magnetic Properties

Magnetic

Total Mag. Moment

0.0041

μB

Mag. Ordering

Mag. Sites

Magnetization/Volume

0.000010

μB/Å³

Elastic Properties

Elastic data not available

Feature Analysis

Composition Overview

Element Composition (atomic fraction)

Composition Info

Major / Matrix Element

C · 0.556

Element Family

Metalloid-Nonmetal

Solute Fraction

0.444

Interstitial Fraction

0.556

High-Entropy Alloy Features

Composite Radar (normalized)

Element-Class Share

Mix Entropy ΔS/R

0.8544

HEA criterion (>1.0 = high entropy)

Mix Entropy ΔS

7.1036

J/mol·K

Ω Parameter

0.0000

Ω > 1.1 favors solid solution

Atomic Size Mismatch δr

40.393%

δr < 6.6% favors single-phase solid solution

Electronegativity Diff Δχ

0.6591

smaller = more stable mixing

VEC

6.833

valence electron concentration, affects phase stability

Mix Enthalpy ΔH_mix

0.000

kJ/mol; negative = exothermic mixing

Entropy Norm

0.7777

SS Former

Phase Tendency

Traditional Material Features

ROM Blended-Feature Radar

Rating & Classification

Tier

Score

0.510

Family

Interstitial Alloy

Matrix Element

C · 0.556

Related Tasks

Related computation task IDs (1)

aaahfovm

Citation & References

Materials Project Page

https://materialsproject.org/materials/mp-3296734

Reference Citation

The crystal structure and related material properties of Dy7TmC10 were obtained from the Materials Project database (MP-ID: mp-3296734, 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_Dy7TmC10
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.66250417
_cell_length_b   6.54801723
_cell_length_c   11.85051729
_cell_angle_alpha   89.85099584
_cell_angle_beta   90.00000000
_cell_angle_gamma   90.00000000
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Dy7TmC10
_chemical_formula_sum   'Dy7 Tm1 C10'
_cell_volume   284.19980847
_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  0.00000000  0.75295709  0.45543181  1.0
  Dy  Dy1  1  0.00000000  0.74668059  0.95405684  1.0
  Dy  Dy2  1  0.00000000  0.23468321  0.04226134  1.0
  Dy  Dy3  1  0.50000000  0.11054643  0.80307303  1.0
  Dy  Dy4  1  0.50000000  0.88997613  0.19551130  1.0
  Dy  Dy5  1  0.50000000  0.60878025  0.69572485  1.0
  Dy  Dy6  1  0.50000000  0.38903932  0.30494931  1.0
  Tm  Tm7  1  0.00000000  0.26762349  0.54259648  1.0
  C  C8  1  0.50000000  0.51272252  0.50150548  1.0
  C  C9  1  0.50000000  0.98402547  0.00071576  1.0
  C  C10  1  0.00000000  0.36789500  0.73418454  1.0
  C  C11  1  0.00000000  0.64231314  0.26150025  1.0
  C  C12  1  0.00000000  0.85898963  0.75969588  1.0
  C  C13  1  0.00000000  0.12990809  0.23861132  1.0
  C  C14  1  0.00000000  0.38303115  0.84639411  1.0
  C  C15  1  0.00000000  0.56888683  0.15739794  1.0
  C  C16  1  0.00000000  0.11841498  0.35094153  1.0
  C  C17  1  0.00000000  0.93352468  0.65544723  1.0

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