HfCuSiAs

metal

· JVASP-90665· HfCuSiAs

HfCuSiAs is a quaternary intermetallic compound combining hafnium, copper, silicon, and arsenic. This is a research-phase material rather than an established commercial alloy, belonging to the family of complex metallic alloys (CMAs) and intermetallics. Such materials are investigated for their potential to combine hardness, thermal stability, and electronic properties in ways that conventional binary or ternary alloys cannot achieve.

High-temperature structural researchElectronic/thermoelectric applications (exploratory)Refractory metal systemsMaterials science research compounds

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.3189	lb/in³	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.000	eV	—
Magnetic Moment(μB)	0.000	µB	—

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.00620	eV/atom	—
Formation Energy(ΔHf)	-0.4984	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.

HfCuSiAs

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control