SrTa2Bi2O9

ceramic

· JVASP-34377· SrTa2Bi2O9

SrTa2Bi2O9 is a complex oxide ceramic composed of strontium, tantalum, and bismuth, belonging to the family of perovskite-related compounds. This is primarily a research material being investigated for applications requiring high permittivity, ferroelectric, or photocatalytic properties rather than a production commodity. The material shows promise in emerging electronic and photonic applications where mixed-metal oxide ceramics can offer tunable functionality, though it remains in the experimental/development phase and is not widely adopted in mainstream manufacturing.

experimental photocatalystsdielectric ceramicsferroelectric researchhigh-permittivity materialsadvanced electronic ceramicsenvironmental remediation (research)

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.3158	lb/in³	DFT · OptB88vdW

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	2.217	eV	DFT · OptB88vdW
↳	3.380	eV	DFT · TBmBJ
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	6.048	-	DFT · OptB88vdW
↳	4.695	-	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00223	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000872	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-233.2	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	413.2	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	1.820	%	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)	-2.587	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.

SrTa2Bi2O9 — Properties & Data | MatWorld

SrTa2Bi2O9

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental