S2 Ni3

semiconductor

· S2 Ni3

S2 Ni3 is a nickel-based intermetallic compound belonging to the family of nickel silicides and related phases, likely in the Ni-Si system or a ternary variant. This material exhibits semiconductor or semi-metallic electrical behavior and represents an emerging research compound being investigated for applications where both mechanical rigidity and controlled electronic properties are needed. While not yet widely deployed in high-volume production, nickel intermetallics in this family are of interest for thermoelectric energy conversion, integrated circuit contacts, and high-temperature structural applications where traditional alloys fall short.

thermoelectric devicessemiconductor contactshigh-temperature intermetallicsresearch phase materialselectrical contacts and barriersadvanced materials development

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	127.9	GPa	—
Shear Modulus(G)	54.38	GPa	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.00260	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.4120	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.

S2 Ni3

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control