HfGeIr — Properties & Data | MatWorld

HfGeIr

ceramic

· JVASP-151734· HfGeIr

HfGeIr is an intermetallic ceramic compound combining hafnium, germanium, and iridium. This material belongs to the class of refractory intermetallics and is primarily of research interest rather than established commercial production, with potential applications in extreme-temperature structural applications where conventional superalloys reach their limits. The combination of a refractory metal (hafnium, melting point ~2233°C) with noble and semi-metallic elements suggests engineered properties for oxidation resistance and high-temperature stability, though this specific ternary composition remains relatively unexplored compared to binary hafnium-based ceramics and intermetallics.

High-temperature aerospace structuresRefractory coatings and compositesUltra-high-temperature applicationsResearch compound developmentAdvanced thermal barrier systems

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	14.69	kg/m³	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.000	eV	DFT · OptB88vdW
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW

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)	-0.8299	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.

HfGeIr

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental