HfGa2

ceramic

· JVASP-21690· HfGa2

HfGa₂ is an intermetallic ceramic compound combining hafnium and gallium, belonging to the family of refractory ceramics and high-temperature intermetallics. This material is primarily investigated in research contexts for extreme-environment applications where thermal stability and structural integrity at elevated temperatures are critical. HfGa₂ is notable for its potential in aerospace and nuclear thermal management systems, where conventional ceramics or metals fall short; however, it remains largely experimental with limited commercial availability compared to established alternatives like alumina or silicon carbide.

high-temperature structural applicationsaerospace thermal managementnuclear reactor environmentsrefractory coatings researchextreme-environment engineeringintermetallic research and development

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.3631	lb/in³	DFT · OptB88vdW

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

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Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	0.000	eV	DFT · OptB88vdW
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000615	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000629	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	10.79	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	10.38	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)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.4275	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.

HfGa2 — Properties & Data | MatWorld

HfGa2

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental