Er2 Cu2 Ge2

semiconductor

· Er2 Cu2 Ge2

Er₂Cu₂Ge₂ is a ternary intermetallic compound combining erbium (a rare earth element), copper, and germanium in a 1:1:1 stoichiometric ratio. This material belongs to the family of rare-earth-based semiconductors and is primarily of research and development interest rather than a widely commercialized engineering material. The compound is investigated for potential applications in thermoelectric devices, quantum materials research, and advanced electronic systems where the combination of rare earth, transition metal, and semiconductor properties might enable novel functionality.

thermoelectric devices (research)quantum materials researchrare-earth semiconductorselectronic materials developmentmaterials physics studies

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.00340	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.7040	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.

Er2 Cu2 Ge2

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control