Li2Si2O5

Name: Li2Si2O5
Brand: MatWorld

ceramic

· Li2Si2O5

Li2Si2O5 is a lithium silicate ceramic compound belonging to the family of inorganic oxide ceramics. This material is primarily studied in research contexts for applications requiring thermal stability and chemical durability, with particular interest in nuclear fuel waste immobilization and advanced ceramic matrix composites where its lithium content provides unique thermal and chemical properties.

nuclear waste immobilizationthermal barrier coatingsceramic compositesrefractory materialslithium-containing ceramicsresearch and development

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	11,855.4	ksi	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2500	-	DFT · OptB88vdW
Shear Modulus(G)	7,401.3	ksi	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	0.08714	lb/in³	DFT · OptB88vdW

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

Property	Value	Unit	Conditions
Band Gap(Eg)	5.369	eV	DFT · OptB88vdW
Dielectric Constant (Relative Permittivity)(εr)	5.455	-	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)	2.564	-	DFT · OptB88vdW
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)	0.3253	C/m²	DFT · OptB88vdW

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

Filter by

Method

Property	Value	Unit	Conditions
Energy Above Hull(ΔEhull)	0.000100	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)2 entries	-2.949	eV/atom	Measured
↳	-2.775	eV/atom	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

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.

Li2Si2O5 — Properties & Data | MatWorld

Li2Si2O5

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental