Na4TiAs2O9 — Properties & Data | MatWorld

Na4TiAs2O9

ceramic

· JVASP-24335· Na4TiAs2O9

Na4TiAs2O9 is a titanium-arsenic oxide ceramic compound with a mixed-valence structure combining sodium, titanium, and arsenate ions. This is a research-phase material studied primarily for its structural and electronic properties rather than established industrial production; it belongs to the family of complex oxide ceramics that show promise in specialized applications requiring tailored ionic or thermal behavior.

experimental ceramics researchsolid-state chemistryion-conducting materialsstructural ceramics developmentmaterials database reference

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.1161	lb/in³	DFT · OptB88vdW

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	3.077	eV	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)	3.531	-	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00102	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000217	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-385.6	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	432.5	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	10.06	%	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)	-2.042	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.

Na4TiAs2O9

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental