GaAu

metal

· JVASP-18605· GaAu

GaAu is a gold-gallium intermetallic compound or alloy system combining a precious metal (gold) with a semiconductor element (gallium). This material exists primarily in research and specialized metallurgical contexts, as it combines gold's excellent electrical and thermal conductivity with gallium's semiconductor properties, making it of interest for advanced electronic and optoelectronic device fabrication where precious metal contacts or barriers are required.

semiconductor device contactsoptoelectronic interconnectsresearch metallurgymicroelectronics packagingbrazing and bonding applicationsspecialized alloy development

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.4322	lb/in³	—

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

Property	Value	Unit	Conditions
Band Gap(Eg)	0.000	eV	—
Magnetic Moment(μB)	0.000	µB	—
Seebeck Coefficient(S)	-7.603	µV/K	—

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.000	eV/atom	—
Formation Energy(ΔHf)	-0.2196	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.

GaAu

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control