SmMg — Properties & Data | MatWorld

SmMg

Name: SmMg
Brand: MatWorld

ceramic

· SmMg

SmMg is an intermetallic ceramic compound combining samarium (a rare earth element) with magnesium, belonging to the family of rare-earth magnesium compounds. This material is primarily of research interest rather than established industrial production, explored for potential applications where the combination of rare-earth and light-metal properties offers advantages in high-temperature stability, oxidation resistance, or specialized electronic/magnetic functions. Engineers would consider SmMg-based materials in advanced aerospace, electronics, or materials research contexts where conventional ceramics or alloys fall short, though availability and cost typically limit adoption to developmental projects or niche high-performance applications.

Advanced ceramics researchRare-earth intermetallic compoundsHigh-temperature structural applicationsAerospace materials developmentElectronic/magnetic materialsOxidation-resistant coatings

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	41.00	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2600	-	DFT · OptB88vdW
Shear Modulus(G)	28.44	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	5.222	kg/m³	DFT · OptB88vdW

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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	5.800e-7	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	5.300e-7	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-0.5000	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	-0.4700	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	-0.09442	eV/atom	DFT · OptB88vdW
↳	-0.1917	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.

SmMg

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental