Hf2OsRh

ceramic

· JVASP-41330· Hf2OsRh

Hf2OsRh is a ternary ceramic compound combining hafnium, osmium, and rhodium—a ultra-refractory material designed for extreme-temperature applications where conventional ceramics fail. This is a research-phase compound, not yet in broad commercial production; it belongs to the family of high-entropy and multi-principal-element ceramics being explored for aerospace and energy applications requiring materials stable above 1500°C. The combination of refractory metals (Os, Rh) with hafnium oxide chemistry suggests potential for thermal barrier coatings, hypersonic vehicle components, and advanced nuclear or fusion reactor environments where oxidation resistance and structural stability at temperature are critical.

hypersonic vehicle leading edgesthermal barrier coatingshigh-temperature aerospace componentsnuclear/fusion reactor materialsexperimental refractory ceramicsextreme-environment structural applications

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	29,693.6	ksi	DFT · OptB88vdW
Poisson's Ratio(ν)	0.3700	-	DFT · OptB88vdW
Shear Modulus(G)	9,053.3	ksi	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	0.5637	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	0.00276	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00279	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-24.05	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	-24.27	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.

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.8274	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.

Hf2OsRh — Properties & Data | MatWorld

Hf2OsRh

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental