SmMg2 — Properties & Data | MatWorld

SmMg2

Name: SmMg2
Brand: MatWorld

ceramic

· SmMg2

SmMg2 is an intermetallic ceramic compound combining samarium (a rare-earth element) with magnesium in a 1:2 stoichiometric ratio. This material belongs to the rare-earth intermetallic family and is primarily of research and development interest rather than established high-volume production. SmMg2 and related rare-earth magnesium compounds are investigated for potential applications requiring high stiffness at moderate density, thermal stability, or specialized electronic properties, though industrial adoption remains limited compared to conventional ceramics or magnesium alloys.

Rare-earth research compoundsExperimental high-modulus ceramicsLightweight structural materials (development stage)Thermal barrier applications (research)Electronic and photonic materials (emerging)

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	41.03	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.3000	-	DFT · OptB88vdW
Shear Modulus(G)	19.82	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	4.194	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	DFT · OptB88vdW
↳	0.000	eV	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.0000523	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.0000593	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-4.780	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	-5.100	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)	0.01700	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)2 entries	-0.08251	eV/atom	DFT · OptB88vdW
↳	-0.1658	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.

SmMg2

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental