Sm3NbO7 — Properties & Data | MatWorld

Sm3NbO7

ceramic

· JVASP-50519· Sm3NbO7

Sm₃NbO₇ is a rare-earth niobate ceramic compound combining samarium oxide with niobium pentoxide, belonging to the family of complex perovskite and pyrochlore-related oxides. This material is primarily of research interest for high-temperature applications and advanced functional ceramics, particularly in contexts requiring thermal stability, ionic conductivity, or specialized dielectric properties—though it remains largely experimental rather than widely commercialized. Engineers and materials researchers investigate this composition for potential use in thermal barrier coatings, solid-state electrolytes, and high-temperature structural ceramics where rare-earth dopants improve phase stability and performance.

thermal barrier coatingssolid-state electrolyteshigh-temperature ceramicsrare-earth oxide researchadvanced refractoriesionic conductors

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	6.888	kg/m³	DFT · OptB88vdW

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	2.658	eV	DFT · OptB88vdW
↳	3.160	eV	DFT · TBmBJ
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	5.141	-	DFT · OptB88vdW
↳	4.211	-	DFT · TBmBJ
Electron Effective Mass(m*e)	2.287	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	2.890	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00142	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000974	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-295.9	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	312.1	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	3.090	%	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)	-3.481	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.

Sm3NbO7

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental