SmSi3Ni — Properties & Data | MatWorld

SmSi3Ni

metal

· JVASP-21585· SmSi3Ni

SmSi₃Ni is an intermetallic compound combining samarium, silicon, and nickel, belonging to the rare-earth transition metal silicide family. This material is primarily investigated in research contexts for high-temperature structural applications and advanced functional materials, where its intermetallic nature offers potential for improved strength and thermal stability compared to conventional superalloys. Engineers considering this compound should note it remains largely experimental; its value lies in emerging technologies requiring rare-earth-enhanced properties such as enhanced oxidation resistance or specialized magnetic or electronic characteristics.

high-temperature intermetallicsrare-earth alloysresearch phase materialsfunctional intermetallic compoundsadvanced refractory applications

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	5.685	kg/m³	DFT · OptB88vdW

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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	0.000192	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000196	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-0.01000	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	-0.5033	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.

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Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.6355	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.

SmSi3Ni

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

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