Na5SiAs3 — Properties & Data | MatWorld

Na5SiAs3

ceramic

· JVASP-23050· Na5SiAs3

Na5SiAs3 is an inorganic ceramic compound containing sodium, silicon, and arsenic elements, representing a mixed-valence silicate-arsenate system. This is a research-phase material studied primarily in solid-state chemistry and materials science contexts rather than established industrial production. The compound and related arsenate ceramics are of interest for specialized applications including potential ion-conducting electrolytes, waste form matrices for nuclear or hazardous element immobilization, and fundamental studies of structure-property relationships in complex oxide systems, though practical engineering applications remain limited and the material is not widely adopted in commercial products.

experimental ceramic researchsolid electrolytes (research)nuclear waste encapsulation (potential)hazardous element immobilizationinorganic ion conductorssolid-state chemistry investigations

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.1065	lb/in³	DFT · OptB88vdW

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

Filter by

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	0.9200	eV	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00143	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000766	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-175.8	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	338.4	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.

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.4737	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.

Na5SiAs3

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental