Cu2 Au2 — Properties & Data | MatWorld

Cu2 Au2

semiconductor

· Cu2 Au2

Cu2Au2 is an intermetallic compound in the copper-gold system, representing a 1:1 atomic ratio phase with semiconductor properties. This material is primarily of research and experimental interest rather than established industrial production, studied for its potential in advanced electronic and optoelectronic applications where the unique band structure of copper-gold intermetallics may offer advantages over conventional semiconductors or metallic alternatives.

experimental semiconductorsintermetallic researchthermoelectric materials (potential)optoelectronic devices (developmental)materials science studieshigh-temperature electronic applications (exploratory)

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	20,587.2	ksi	DFT · OptB88vdW
Shear Modulus(G)	4,961.3	ksi	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.01320	eV	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.05100	eV/atom	DFT · OptB88vdW

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

Reference data from cited sources. Not verified or certified by MatWorld Inc. Verify against the source before use in design. Terms: engineering data

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.

Cu2 Au2

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control