Sc2Ti2O7 — Properties & Data | MatWorld

Sc2Ti2O7

ceramic

· Sc2Ti2O7

Sc₂Ti₂O₇ is a mixed-oxide ceramic compound combining scandium and titanium oxides, belonging to the family of pyrochlore or defect-fluorite structured ceramics. This material is primarily studied for thermal barrier coating (TBC) applications and high-temperature structural use, where its combination of thermal stability and mechanical rigidity offers potential advantages over conventional yttria-stabilized zirconia systems. The scandium-titanate composition is notably less mature in industrial deployment than established alternatives but represents active research into next-generation thermal protection materials for aerospace and energy applications.

thermal barrier coatingsgas turbine engineshigh-temperature aerospace componentsresearch ceramicsrefractory applicationsadvanced power generation

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	20,836.1	ksi	DFT · OptB88vdW
Poisson's Ratio(ν)	0.3500	-	DFT · OptB88vdW
Shear Modulus(G)	7,427.4	ksi	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	0.1220	lb/in³	DFT · OptB88vdW

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

Filter by

Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	3.591	eV	DFT · OptB88vdW
↳	4.064	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)	10.29 range 4.617–15.96median of 2 measurements	-	DFT · PBEsol
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	4.914	-	DFT · OptB88vdW
↳	4.125	-	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000545	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000849	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-420.2	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	390.8	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	0.000	%	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)	0.02180	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-3.492	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.

Sc2Ti2O7

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental