Ce2Sm2O7

ceramic

· JVASP-52464· Ce2Sm2O7

Ce2Sm2O7 is a rare-earth pyrochlore ceramic composed of cerium and samarium oxides, belonging to the family of mixed rare-earth oxide compounds. This material is primarily studied for thermal barrier and electrolyte applications in high-temperature energy systems, where its crystalline pyrochlore structure provides thermal stability and ionic conductivity. Ce2Sm2O7 is notable in research contexts for solid oxide fuel cells and thermal protection systems, offering potential advantages over conventional yttria-stabilized zirconia in specialized high-temperature environments, though it remains primarily an advanced materials research compound rather than a commodity industrial material.

solid oxide fuel cells (electrolyte)thermal barrier coatingshigh-temperature insulationoxygen ion conductorsadvanced ceramics researchrare-earth oxide compounds

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.2489	lb/in³	DFT · OptB88vdW

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

Filter by

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	2.176	eV	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)	5.467	-	DFT · OptB88vdW
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000153	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00133	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-439	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	401.1	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.

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.08990	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-3.589	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.

Ce2Sm2O7 — Properties & Data | MatWorld

Ce2Sm2O7

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental