HfGaIr2 — Properties & Data | MatWorld

HfGaIr2

ceramic

· JVASP-39914· HfGaIr2

HfGaIr2 is a ternary intermetallic ceramic compound combining hafnium, gallium, and iridium. This material belongs to the family of refractory intermetallics and represents an exploratory composition studied primarily in materials research for its potential thermal and mechanical performance at extreme temperatures. The combination of hafnium's refractory character, iridium's high density and hardness, and gallium's role in forming stable crystal structures makes this a candidate material for next-generation high-temperature applications, though industrial adoption remains limited and the material is not yet widely commercialized.

High-temperature structural applicationsAerospace engine components (research)Refractory coatings (experimental)Ultra-high-temperature materials researchExtreme environment structural systems

Compliance & Regulations

?Conflict Free?RoHS?REACH?TSCA?Prop 65

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	16.37	kg/m³	DFT · OptB88vdW

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	0.000	eV	DFT · OptB88vdW
↳	0.000	eV	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00478	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00485	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-36.78	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	-37.13	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C

N entriesMultiple entries per property — large groups are collapsed; click a summary row to expand. Use filters above to narrow by form, heat treatment, basis, or test environment.

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Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.02440	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.7227	eV/atom	DFT · OptB88vdW

Verified Unverified Low confidence (<80%) Link to source

Reference data from cited sources. Not verified or certified by MatWorld Inc. Verify against the source before use in design. Terms: engineering data

Regulatory Screening

Environmental

RoHS, REACH, and Prop 65 statuses are validated against official substance lists (ECHA SVHC Candidate List, OEHHA Prop 65, RoHS Annex II). Other regulations are estimated from composition and material classification. All screening is a starting point for due diligence — always verify with your supplier before making compliance decisions.

HfGaIr2

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental