Hf1 Ga5 Co1

semiconductor

· Hf1 Ga5 Co1

Hf₁Ga₅Co₁ is an intermetallic compound combining hafnium, gallium, and cobalt in a 1:5:1 stoichiometric ratio. This is a research-stage material within the high-entropy and complex intermetallic family, studied for potential high-temperature structural applications where conventional superalloys reach their limits. While not yet in commercial production, materials in this compositional space are investigated for aerospace propulsion systems, extreme-environment components, and next-generation thermal barrier applications due to the refractory character of hafnium combined with potential for tailored phase stability.

high-temperature aerospace structuresexperimental turbine materialsrefractory intermetallics researchextreme environment componentsthermal barrier systems

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.00590	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.3240	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.

Hf1 Ga5 Co1

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control