SrTa2H2O7 — Properties & Data | MatWorld

SrTa2H2O7

ceramic

· JVASP-36717· SrTa2H2O7

SrTa2H2O7 is a strontium tantalate hydrate ceramic compound belonging to the perovskite-related oxide family. This material is primarily of research interest for advanced ceramic applications, particularly in contexts where tantalate-based ceramics offer benefits such as chemical stability, high-temperature performance, or specialized electronic properties. The hydrated form suggests potential applications in ion-exchange, proton-conducting ceramic membranes, or as a precursor phase in synthesizing functional tantalate ceramics, though industrial deployment remains limited compared to established alternatives.

ceramic membrane researchproton conductor developmentadvanced refractory materialschemical processing catalysisexperimental electronics/photonicshigh-temperature structural ceramics

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	6.292	kg/m³	DFT · OptB88vdW

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	2.228	eV	DFT · OptB88vdW
↳	3.440	eV	DFT · TBmBJ
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	4.602	-	DFT · OptB88vdW
↳	3.512	-	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00182	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00124	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-141.8	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	421.9	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	1.520	%	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)	0.08340	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-2.607	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.

SrTa2H2O7

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental