SmTmTl2 — Properties & Data | MatWorld

SmTmTl2

ceramic

· JVASP-39051· SmTmTl2

SmTmTl₂ is a rare-earth ceramic compound containing samarium, thulium, and thallium. This is a research-phase material within the rare-earth oxide/halide family, studied primarily for its potential in advanced ceramic applications requiring high density and specialized thermal or optical properties. Due to its composition and experimental status, this material remains largely confined to academic research and specialized development programs rather than widespread industrial deployment.

rare-earth ceramics researchhigh-density ceramic matricesspecialized optical coatings (developmental)thermal barrier materials (experimental)radiation shielding studies

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	11.14	kg/m³	DFT · OptB88vdW

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

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	0.0000684	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.0000512	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-4.670	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	-4.050	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)	0.00260	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.3468	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.

SmTmTl2

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental