SrTa4O11

ceramic

· JVASP-25966· SrTa4O11

Strontium tantalate (SrTa₄O₁₁) is a complex oxide ceramic compound combining alkaline-earth and refractory metal elements. This material is primarily explored in research contexts for high-temperature applications and dielectric/ferroelectric device development, where its structural stability and electronic properties make it relevant to solid-state physics and materials innovation rather than established mass-production industries.

high-temperature ceramicsdielectric materials researchsolid-state electronicsrefractory compoundsperovskite-related oxidesmaterials science experimentation

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.2764	lb/in³	DFT · OptB88vdW

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

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Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	3.619	eV	DFT · OptB88vdW
Dielectric Constant (Relative Permittivity)(εr)	47.06	-	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)	5.338	-	DFT · OptB88vdW
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)	0.07218	C/m²	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000433	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000699	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-399.5	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	438.4	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)	-3.168	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.

SrTa4O11 — Properties & Data | MatWorld

SrTa4O11

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental