Hf4 Os8

semiconductor

· Hf4 Os8

Hf4Os8 is an intermetallic compound combining hafnium and osmium, likely studied as a refractory ceramic or hard material for extreme-temperature applications. This is primarily a research-phase material rather than a commercial grade; the hafnium-osmium system is investigated for potential use in ultra-high-temperature environments where conventional superalloys reach their limits, such as aerospace propulsion or nuclear reactor components. The combination of two high-melting-point elements suggests potential for oxidation resistance and thermal stability, though practical engineering deployment remains experimental.

refractory ceramics researchhigh-temperature compositesaerospace thermal protectionnuclear reactor materialssuperalloy developmentmaterials science experimentation

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.00140	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.4170	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.

Hf4 Os8

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control