SmTm3 — Properties & Data | MatWorld

SmTm3

ceramic

· JVASP-37229· SmTm3

SmTm3 is a rare-earth ceramic compound composed of samarium and thulium elements, belonging to the family of lanthanide ceramics used in high-performance technical applications. This material is employed primarily in advanced optical, electronic, and thermal management systems where rare-earth ceramics provide unique combinations of thermal stability, electrical properties, and radiation resistance. Its selection over conventional ceramics is driven by specialized requirements in defense, aerospace, and nuclear applications where rare-earth dopants or intermetallics offer performance advantages in extreme environments.

rare-earth ceramicsoptical componentsthermal management systemsnuclear/radiation environmentsadvanced electronicsaerospace applications

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.3303	lb/in³	DFT · OptB88vdW

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Filter by

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	0.000	eV	DFT · OptB88vdW
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00125	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00118	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	7.207	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	6.570	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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Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.02100	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	0.02089	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.

SmTm3

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental