SmAl4 — Properties & Data | MatWorld

SmAl4

metal

· JVASP-20491· SmAl4

SmAl4 is an intermetallic compound composed of samarium and aluminum, belonging to the rare-earth metal aluminide family. This material is primarily of research and specialized industrial interest rather than commodity use, valued for its potential in high-temperature applications and electronic devices where rare-earth metallurgical properties are exploited. Engineers consider SmAl4 when designing systems requiring the unique combination of rare-earth effects with aluminum's lightweight characteristics, though its use remains limited compared to conventional alloys and is typically reserved for advanced aerospace, electronics, or specialty chemical applications where rare-earth intermetallics offer distinct performance advantages.

rare-earth intermetallicshigh-temperature materials researchpermanent magnet precursorselectronic device componentsaerospace specialty alloysmaterials research and development

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	71.28	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.4300	-	DFT · OptB88vdW
Shear Modulus(G)	15.01	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	4.165	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	0.000788	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000867	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-10.68	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	-11.55	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)	0.06020	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.3206	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.

SmAl4

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control