SmMg3 — Properties & Data | MatWorld

SmMg3

Name: SmMg3
Brand: MatWorld

ceramic

· SmMg3

SmMg3 is an intermetallic ceramic compound combining samarium (a rare-earth element) with magnesium in a 1:3 stoichiometric ratio. This material belongs to the rare-earth magnesium intermetallic family, which is primarily of research and emerging engineering interest rather than high-volume production. SmMg3 and related rare-earth magnesium compounds are investigated for applications requiring thermal stability, corrosion resistance, or specialized electronic/magnetic properties, though industrial adoption remains limited compared to conventional ceramics and alloys.

rare-earth intermetallic researchhigh-temperature structural applicationscorrosion-resistant coatingsadvanced ceramics developmentmaterials for extreme environments

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	3.752	kg/m³	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	Measured
↳	0.000	eV	DFT · OptB88vdW
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.0000743	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.0000906	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-4.440	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	-4.910	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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Method

Property	Value	Unit	Conditions
Energy Above Hull(ΔEhull)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)2 entries	-0.1021	eV/atom	DFT · OptB88vdW
↳	-0.1244	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

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.

SmMg3

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental