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YGa2Ni

High-Entropy Materials HEA Traditional Materials TRA Elasticity Data ELA

MP-ID: mp-11444 · Space group: Cmcm (#63)

Basic Information

Formula
YGa2Ni
MP-ID
mp-11444
Elements
3
Sites
8
Density
6.9712
g/cm³
Volume
136.75
ų
Cell a
4.0631
Å
Cell b
5.4759
Å
Cell c
6.6185
Å
α Angle
90.00
°
β Angle
90.00
°
γ Angle
111.78
°
Space Group
Cmcm
Point Group
mmm
Crystal System
Orthorhombic
Bravais Lattice
Orthorhombic C
Stability
Yes
Packing Fraction
0.5240

X-ray Diffraction

Diffraction Pattern
X-axis: 2θ (°); Y-axis: relative intensity; CuKa ; λ=1.5406 Å
Diffraction Peaks (Top 24)
2θd (Å)Ihkl
17.44 5.0851 10.1 (0,1,0)
26.94 3.3092 3.9 (0,0,2)
27.21 3.2779 1.6 (1,-1,1)
32.28 2.7736 2.9 (0,1,2)
34.45 2.6030 30.3 (1,-2,0)
35.30 2.5426 9.4 (0,2,0)
36.10 2.4879 100.0 (1,-1,2)
37.11 2.4224 79.3 (1,-2,1)
37.91 2.3735 46.8 (0,2,1)
44.27 2.0459 16.1 (1,-2,2)
44.27 2.0459 16.1 (1,1,2)
44.60 2.0316 45.8 (2,-1,0)
44.78 2.0239 25.3 (0,1,3)
44.96 2.0162 13.3 (0,2,2)
47.76 1.9045 13.2 (1,-1,3)
47.76 1.9045 13.2 (1,0,3)
52.88 1.7313 1.0 (2,-1,2)
54.52 1.6830 9.5 (1,-2,3)
55.12 1.6663 2.6 (0,2,3)
55.54 1.6546 8.5 (0,0,4)
58.12 1.5871 4.4 (2,-3,0)
59.93 1.5434 11.6 (2,-3,1)
59.93 1.5434 11.6 (2,1,1)
61.16 1.5153 5.0 (1,-1,4)
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Energy Properties

Formation Energy/atom
-0.64386
eV/atom
Energy/atom
-5.23022
eV/atom
Energy above Hull
0.0000
eV/atom
Uncorrected Energy
-14.4899
eV/atom
Volume/atom
17.09
ų
c/a Ratio
-

Electronic Properties

Metallic
Metal
Band Gap
0
eV
Direct Gap
No
CBM
N/A
eV

Magnetic Properties

Magnetic
Yes
Total Mag. Moment
0.0000
μB
Mag. Ordering
Unknown
Mag. Sites
0
Magnetization/Volume
0.000000
μB/ų

Elastic Properties

KVRH
91.180
GPa
GVRH
51.773
GPa
Young's Modulus E
130.600
GPa
Poisson Ratio ν
0.261
Pugh Ratio K/G
1.761
Vickers Hardness Est.
7.380
GPa
Ductility
Brittle
Anisotropy
0.686
Lame λ
56.665
GPa

Feature Analysis

Composition Overview

Element Composition (atomic fraction)
Composition Info
Major / Matrix Element
Ga · 0.500
Element Family
PostTransition-Noble
Solute Fraction
0.500
Interstitial Fraction
0.000

High-Entropy Alloy Features

Composite Radar (normalized)
Element-Class Share
Mix Entropy ΔS/R
1.0397
HEA criterion (>1.0 = high entropy)
Mix Entropy ΔS
8.6442
J/mol·K
Ω Parameter
0.2934
Ω > 1.1 favors solid solution
Atomic Size Mismatch δr
15.015%
δr < 6.6% favors single-phase solid solution
Electronegativity Diff Δχ
0.2730
smaller = more stable mixing
VEC
4.750
valence electron concentration, affects phase stability
Mix Enthalpy ΔH_mix
-30.442
kJ/mol; negative = exothermic mixing
Entropy Norm
0.9464
SS Former
0
Phase Tendency
AM

Traditional Material Features

ROM Blended-Feature Radar
Rating & Classification
Tier
B
Score
0.509
Family
Ga-rich Multi-Component
Matrix Element
Ga · 0.500

Elasticity Features

Elastic Modulus Comparison (GPa)
Elastic Features
Elastic Anisotropy AU
0.6860
Homogeneous Poisson ν
0.2610
Debye Temperature
350.0
K
Sound Velocity
3,029.5
m/s
Homogeneity
0.2610

Related Tasks

Citation & References

Materials Project Page
https://materialsproject.org/materials/mp-11444
Reference Citation

The crystal structure and related material properties of YGa2Ni were obtained from the Materials Project database (MP-ID: mp-11444, 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

BibTeX
@article{Horton2025,
  author  = {Horton, Matthew K. and Huck, Patrick and Yang, Ruo Xi and Munro, Jason M. and Dwaraknath, Shyam and Ganose, Alex M. and Kingsbury, Ryan S. and Wen, Mingjian and Shen, Jimmy X. and Mathis, Tyler S. and Kaplan, Aaron D. and Berket, Karlo and Riebesell, Janosh and George, Janine and Rosen, Andrew S. and Spotte-Smith, Evan W. C. and McDermott, Matthew J. and Cohen, Orion A. and Dunn, Alex and Kuner, Matthew C. and Rignanese, Gian-Marco and Petretto, Guido and Waroquiers, David and Griffin, Sinead M. and Neaton, Jeffrey B. and Chrzan, Daryl C. and Asta, Mark and Hautier, Geoffroy and Cholia, Shreyas and Ceder, Gerbrand and Ong, Shyue Ping and Jain, Anubhav and Persson, Kristin A.},
  title   = {Accelerated data-driven materials science with the Materials Project},
  journal = {Nature Materials},
  year    = {2025},
  volume  = {24},
  number  = {10},
  pages   = {1522--1532},
  month   = {oct},
  doi     = {10.1038/s41563-025-02272-0},
  issn    = {1476-4660},
  url     = {https://doi.org/10.1038/s41563-025-02272-0},
  abstract = {The Materials Project was launched formally in 2011 to drive materials discovery forwards through high-throughput computation and open data. More than a decade later, the Materials Project has become an indispensable tool used by more than 600,000 materials researchers around the world. This Perspective describes how the Materials Project, as a data platform and a software ecosystem, has helped to shape research in data-driven materials science. We cover how sustainable software and computational methods have accelerated materials design while becoming more open source and collaborative in nature. Next, we present cases where the Materials Project was used to understand and discover functional materials. We then describe our efforts to meet the needs of an expanding user base, through technical infrastructure updates ranging from data architecture and cloud resources to interactive web applications. Finally, we discuss opportunities to better aid the research community, with the vision that more accessible and easy-to-understand materials data will result in democratized materials knowledge and an increasingly collaborative community.}
}

3D Crystal Structure Rendering

Loading 3D structure…

Style: Ball & Stick
Raw CIF Data
# generated using pymatgen
data_YGa2Ni
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.06313663
_cell_length_b   5.47592039
_cell_length_c   6.61848378
_cell_angle_alpha   90.00000000
_cell_angle_beta   90.00000000
_cell_angle_gamma   111.77732979
_symmetry_Int_Tables_number   1
_chemical_formula_structural   YGa2Ni
_chemical_formula_sum   'Y2 Ga4 Ni2'
_cell_volume   136.74801466
_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
  Y  Y0  1  0.06876955  0.13754010  0.75000000  1.0
  Y  Y1  1  0.93123045  0.86245990  0.25000000  1.0
  Ga  Ga2  1  0.35115787  0.70231474  0.94489712  1.0
  Ga  Ga3  1  0.35115787  0.70231474  0.55510288  1.0
  Ga  Ga4  1  0.64884213  0.29768526  0.05510288  1.0
  Ga  Ga5  1  0.64884213  0.29768526  0.44489712  1.0
  Ni  Ni6  1  0.78815078  0.57630056  0.75000000  1.0
  Ni  Ni7  1  0.21184922  0.42369944  0.25000000  1.0
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