Si4 Cu4 Nb5

semiconductor

· Si4 Cu4 Nb5

Si₄Cu₄Nb₅ is an intermetallic compound combining silicon, copper, and niobium—a research-phase material that falls within the broader family of multi-component intermetallics and high-entropy alloy precursors. This composition has been investigated for potential structural and functional applications, though it remains largely in the experimental phase without widespread industrial deployment. The combination of refractory niobium with silicon and copper suggests potential interest in high-temperature stability, electrical conductivity, or wear-resistant coating applications, though specific engineering adoption depends on phase stability and processability characteristics not yet fully established.

experimental intermetallic compoundshigh-temperature materials researchwear-resistant coatingselectrical contact materialssemiconductor device researchadvanced alloy development

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.000900	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.4270	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.

Si4 Cu4 Nb5

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control