Hf2 Cu1 Ir1

semiconductor
· Hf2 Cu1 Ir1

Hf₂Cu₁Ir₁ is an experimental intermetallic compound combining hafnium, copper, and iridium in a 2:1:1 stoichiometric ratio. This material belongs to the high-entropy or multi-principal-element alloy family, where multiple metallic constituents are intentionally combined to achieve novel microstructural and performance characteristics. Research into such ternary hafnium-based intermetallics is primarily driven by applications requiring exceptional high-temperature stability, corrosion resistance, and thermal management—areas where hafnium's refractory properties and iridium's nobility can be leveraged. The copper addition may be used to tailor phase stability and processing behavior. Due to its experimental nature and limited commercial availability, Hf₂Cu₁Ir₁ remains a laboratory-stage material; similar hafnium intermetallics are being explored for next-generation aerospace, nuclear, and ultra-high-temperature structural applications where conventional superalloys reach their limits.

refractory coatings and high-temperature protectionnuclear fuel cladding researchaerospace engine components (experimental)intermetallic matrix compositesoxidation/corrosion barriersthermal barrier systems (advanced)

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
Units:
siimperial
PropertyValueUnitConditionsSource
Band Gap(Eg)
—
eV——
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Formation Energy(ΔHf)
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eV/atom——
Verified Unverified Low confidence (<80%) Link to source

Regulatory Screening

Environmental

Export Control

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.