SmNi — Properties & Data | MatWorld

SmNi

Name: SmNi
Brand: MatWorld

metal

· SmNi

SmNi is an intermetallic compound formed between samarium (a rare-earth element) and nickel, belonging to the family of rare-earth transition-metal alloys. This material is primarily of research and specialty interest rather than high-volume production, valued for its potential in permanent magnets, hydrogen storage applications, and advanced functional materials where rare-earth elements provide unique electronic and magnetic properties. Engineers consider SmNi-based systems when conventional ferromagnets or storage materials are insufficient, though availability, cost, and processing complexity typically limit adoption to niche aerospace, energy storage, and materials research applications.

permanent magnetshydrogen storage materialsrare-earth intermetallicsadvanced functional materialsmaterials researchspecialty alloys

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	11,128.7	ksi	DFT · OptB88vdW
Poisson's Ratio(ν)	0.3600	-	DFT · OptB88vdW
Shear Modulus(G)	3,608.5	ksi	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	0.3012	lb/in³	DFT · OptB88vdW

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

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	0.000	eV	DFT · OptB88vdW
↳	0.000	eV	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.0000216	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.0000216	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-1.030	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	-1.180	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

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Method

Property	Value	Unit	Conditions
Energy Above Hull(ΔEhull)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)2 entries	-0.4453	eV/atom	DFT · OptB88vdW
↳	-0.3773	eV/atom	Measured

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

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.

SmNi

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control