Cu4 Sb2

semiconductor

· Cu4 Sb2

Cu4Sb2 is an intermetallic compound in the copper-antimony system, a quaternary semiconductor material that belongs to the family of metal pnictides. While primarily of research interest, it represents a class of compounds being investigated for thermoelectric and optoelectronic applications where the combination of copper and antimony offers potential for band gap engineering and charge carrier control.

thermoelectric devicesexperimental semiconductorsoptoelectronic researchnarrow band gap applicationsmaterials researchphase diagram studies

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.00190	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	0.04500	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.

Cu4 Sb2

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control