Sm2TeO2 — Properties & Data | MatWorld

Sm2TeO2

ceramic

· JVASP-3327· Sm2TeO2

Sm₂TeO₂ is a rare-earth tellurite ceramic compound combining samarium oxide with tellurium oxide, representing a specialized composition within the family of rare-earth tellurite materials. This material exists primarily in research and developmental contexts rather than widespread industrial production, with potential applications in optics, photonics, and advanced ceramics where rare-earth dopants enable functional properties such as luminescence or specific refractive behavior. Engineers would consider this compound for niche applications requiring rare-earth functionality combined with tellurite's optical or thermal properties, though material availability and cost typically limit adoption to high-value photonic devices or experimental systems.

optical ceramics (research)photonic materialsrare-earth dopantsluminescent applicationshigh-temperature ceramics (specialized)experimental/developmental use

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	7.482	kg/m³	DFT · OptB88vdW

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	1.570	eV	DFT · OptB88vdW
↳	2.310	eV	DFT · TBmBJ
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	7.314	-	DFT · OptB88vdW
↳	5.976	-	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00140	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00501	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-345.6	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	311.2	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	16.36	%	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)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-3.101	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.

Sm2TeO2

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental