HfGaRh2

ceramic

· JVASP-41256· HfGaRh2

HfGaRh2 is an experimental ternary ceramic compound combining hafnium, gallium, and rhodium elements, representing an emerging class of high-entropy or multi-principal-element ceramics. This material family is primarily under investigation in academic and advanced research settings for extreme-environment applications where conventional ceramics reach their thermal or chemical limits. The combination of refractory metals (hafnium, rhodium) with gallium suggests potential for ultra-high-temperature structural applications, though industrial deployment remains limited pending further characterization and manufacturing scalability.

high-temperature structural ceramicsaerospace propulsion researchrefractory applicationsextreme-environment materials researchadvanced composites (experimental)thermal barrier coating research

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	27,721.1	ksi	DFT · OptB88vdW
Poisson's Ratio(ν)	-0.3000	-	DFT · OptB88vdW
Shear Modulus(G)	2,918.2	ksi	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	0.4367	lb/in³	DFT · OptB88vdW

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

Filter by

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	0.000512	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000541	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-11.33	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	-11.66	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)	-0.8727	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.

HfGaRh2 — Properties & Data | MatWorld

HfGaRh2

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental