Si2 Cu2 Er1

semiconductor

· Si2 Cu2 Er1

Si₂Cu₂Er₁ is an intermetallic compound combining silicon, copper, and erbium—a rare-earth addition that modifies the microstructure and thermal properties of the base copper-silicon system. This material is primarily of research interest rather than established industrial production, with potential applications in thermoelectric devices and high-temperature structural composites where rare-earth doping enhances phase stability and reduces thermal conductivity.

thermoelectric cooling/power generationhigh-temperature structural compositesrare-earth intermetallic researchelectronic packaging materialsmaterials science R&D

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	16,964.6	ksi	—
Shear Modulus(G)	10,114.9	ksi	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.01340	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.5340	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.

Si2 Cu2 Er1

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control