Au4 Cr1

semiconductor

· Au4 Cr1

Au4Cr1 is an intermetallic compound combining gold and chromium in a 4:1 atomic ratio, representing a research-phase material in the gold-chromium binary system. This compound falls within the broader family of precious metal intermetallics and is primarily of academic and exploratory interest rather than established industrial production. While gold-chromium systems have been investigated for specialized applications requiring corrosion resistance and thermal stability, Au4Cr1 specifically remains a laboratory material whose practical engineering viability and manufacturing feasibility have not been widely commercialized.

research and developmentcorrosion-resistant coatings (theoretical)high-temperature contacts (exploratory)semiconductor researchmaterials characterization studiesintermetallic phase investigation

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.00800	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	0.04300	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.

Au4 Cr1

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control