Er8 Au4

semiconductor

· Er8 Au4

Er8Au4 is an intermetallic compound combining erbium and gold, representing a specialized alloy in the rare-earth–noble-metal family. This material is primarily explored in research contexts for high-temperature applications and advanced electronic devices where the combination of erbium's rare-earth properties and gold's electrical conductivity and chemical stability offers potential advantages. Its selection would be driven by specific requirements in thermal management, radiation resistance, or specialized semiconductor device architectures where conventional materials fall short.

high-temperature electronicsrare-earth alloys researchradiation-hardened devicesthermal interface materialsadvanced semiconductor compoundsspace and aerospace applications

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	10,558.7	ksi	—
Shear Modulus(G)	3,881.2	ksi	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.02290	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.6980	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.

Er8 Au4

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control