Rb3Hf

ceramic

· JVASP-38240· Rb3Hf

Rb3Hf is an intermetallic ceramic compound combining rubidium and hafnium, belonging to the family of refractory metal ceramics. This is a research-phase material studied for its potential in extreme-temperature and high-strength applications where conventional ceramics reach their performance limits. While not yet in widespread industrial production, compounds in this material class are of interest for advanced aerospace, nuclear, and high-temperature structural applications due to the exceptional refractory properties of hafnium-based systems.

experimental high-temperature ceramicsrefractory applicationsaerospace researchnuclear reactor componentsextreme-environment materialsadvanced structural ceramics

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	996.4	ksi	DFT · OptB88vdW
Poisson's Ratio(ν)	0.3400	-	DFT · OptB88vdW
Shear Modulus(G)	588.9	ksi	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	0.1202	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)	3.152	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00000164	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.0000333	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	4.540	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	20.32	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)	1.096	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	1.073	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.

Rb3Hf — Properties & Data | MatWorld

Rb3Hf

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental