Tb2Sn2O7 — Properties & Data | MatWorld

Tb2Sn2O7

ceramic

· JVASP-21257· Tb2Sn2O7

Tb2Sn2O7 is a rare-earth tin oxide ceramic compound belonging to the pyrochlore family, composed of terbium and tin oxides. This material is primarily of research and developmental interest for applications requiring thermal stability and unique electronic or magnetic properties at elevated temperatures. The pyrochlore structure makes it a candidate for specialized roles in thermal barrier coatings, magnetism-related devices, and advanced ceramics where rare-earth dopants provide functional benefits beyond traditional oxides.

thermal barrier coatingsrare-earth ceramics researchhigh-temperature structural applicationspyrochlore-structured materialsadvanced ceramics developmentspecialized refractory applications

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	7.665	kg/m³	DFT · OptB88vdW

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Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	2.907	eV	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)	4.422	-	DFT · OptB88vdW
Electron Effective Mass(m*e)	0.4200	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	2.400	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000708	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00117	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-104.7	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	367	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)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-2.786	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.

Tb2Sn2O7

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental