SmSnAu — Properties & Data | MatWorld

SmSnAu

metal

· JVASP-63166· SmSnAu

SmSnAu is a ternary intermetallic compound combining samarium (rare earth), tin, and gold. This material belongs to the family of rare-earth-based metallic compounds and appears to be primarily a research or specialized alloy rather than a widely adopted industrial standard. SmSnAu and related rare-earth tin-gold systems are investigated for applications requiring specific electronic, magnetic, or catalytic properties, particularly in advanced electronics, thermoelectric devices, or specialized coating systems where the combination of rare-earth, tin, and precious metal chemistry offers tunable functionality.

Research/experimental intermetallicElectronics and semiconductorsThermoelectric devicesCatalytic applicationsSpecialized coatingsRare-earth metallurgy

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	85.43	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.3100	-	DFT · OptB88vdW
Shear Modulus(G)	35.14	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	10.51	kg/m³	DFT · OptB88vdW

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

Filter by

Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	0.1360	eV	DFT · OptB88vdW
↳	0.1730	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)	29.06	-	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	29.22	-	DFT · OptB88vdW
↳	23.64	-	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)	0.1527	C/m²	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00292	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00165	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-189.6	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	168.4	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	5.840	%	DFT · TBmBJ

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)	0.01950	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.8533	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

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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.

SmSnAu

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

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