Cu5Er

metal

· Cu5Er

Cu5Er is an intermetallic compound composed of copper and erbium, belonging to the rare-earth copper alloy family. This material is primarily of research and development interest rather than a widely established industrial commodity, with potential applications in high-temperature structural alloys and specialized electromagnetic devices where rare-earth elements enhance performance. Engineers would consider Cu5Er in advanced aerospace or electronics applications where the combination of copper's thermal/electrical conductivity and erbium's rare-earth strengthening effects offers advantages over conventional copper alloys, though material availability and processing complexity remain significant considerations.

high-temperature alloysrare-earth metallurgyresearch compoundsspecialized electronicsexperimental structural materials

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.1907	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.

Cu5Er

Other Properties

Regulatory Screening

Environmental

Export Control