Na3Si — Properties & Data | MatWorld

Na3Si

ceramic

· JVASP-100212· Na3Si

Na3Si is an intermetallic ceramic compound composed of sodium and silicon, belonging to the family of alkali metal silicides. This material is primarily of research and developmental interest rather than an established industrial ceramic, with potential applications in energy storage systems, particularly as a precursor or component in sodium-ion battery technologies and advanced ceramic composites. Engineers would consider Na3Si in emerging energy and materials applications where its low density and silicate chemistry offer advantages over conventional ceramics, though its performance and processing characteristics remain subjects of ongoing investigation.

sodium-ion battery developmentenergy storage researchadvanced ceramic compositesalkali metal chemistry applicationslightweight ceramic precursorsexperimental materials science

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	21.10	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.3400	-	DFT · OptB88vdW
Shear Modulus(G)	12.12	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	1.661	kg/m³	DFT · OptB88vdW

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

Filter by

Method

Property	Unit	Conditions
Band Gap(Eg)2 entries	eV	DFT · OptB88vdW
↳	eV	DFT · TBmBJ
Magnetic Moment(μB)	µB	DFT · OptB88vdW

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)	0.1194	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	0.09081	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.

Na3Si

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental