SmTh3 — Properties & Data | MatWorld

SmTh3

Name: SmTh3
Brand: MatWorld

ceramic

· SmTh3

SmTh3 is an intermetallic ceramic compound composed of samarium and thorium, belonging to the rare-earth–actinide ceramic family. This material is primarily of research and development interest for high-temperature applications where thermal stability and chemical inertness are critical, particularly in nuclear fuel matrices, refractory systems, and advanced thermal management applications. Its notable characteristics stem from the combination of rare-earth and actinide elements, making it relevant to specialized engineering contexts where conventional ceramics fall short in extreme thermal or radiation environments.

nuclear fuel matriceshigh-temperature refractoriesactinide research applicationsthermal barrier coatingsradiation-resistant ceramicsadvanced nuclear materials

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	10.70	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	Measured
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000590	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000532	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-11.40	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	-10.85	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.

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.04580	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	0.04580	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

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.

SmTh3

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental