Si2NiSe4 — Properties & Data | MatWorld

Si2NiSe4

metal

· JVASP-35498· Si2NiSe4

Si₂NiSe₄ is a ternary intermetallic compound combining silicon, nickel, and selenium elements, belonging to the family of metal selenides with potential semiconductor or thermoelectric properties. This material is primarily of research interest rather than established industrial production, being investigated for applications requiring specific electronic or thermal transport characteristics at the intersection of metallurgical and semiconductor chemistry. Engineers would consider this compound in exploratory projects targeting niche thermoelectric devices, solid-state electronic components, or specialized catalytic systems where the unique combination of these three elements offers advantages over binary alternatives.

thermoelectric materials researchsemiconductor compoundssolid-state electronicsmaterials developmenthigh-temperature applicationsexploratory alloy systems

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	5.116	kg/m³	DFT · OptB88vdW

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

Filter by

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	0.000	eV	DFT · OptB88vdW
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000482	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000530	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	2.450	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	1.970	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C

N entriesMultiple entries per property — large groups are collapsed; click a summary row to expand. Use filters above to narrow by form, heat treatment, basis, or test environment.

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.2435	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.1343	eV/atom	DFT · OptB88vdW

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

Reference data from cited sources. Not verified or certified by MatWorld Inc. Verify against the source before use in design. Terms: engineering data

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.

Si2NiSe4

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control