Li2SiO3
ceramic· Li2SiO3
Lithium silicate (Li2SiO3) is an inorganic ceramic compound combining lithium oxide with silica, belonging to the silicate ceramic family. While primarily encountered in research and materials development contexts rather than high-volume industrial production, this compound is investigated for applications requiring low thermal expansion, chemical durability, or specialized optical properties. Li2SiO3 represents the broader class of lithium silicates used in advanced ceramics, glass-ceramics, and lithium-based functional materials where its unique lithium incorporation offers potential advantages in thermal stability or electrochemical applications.
Glass-ceramic developmentThermal management materialsResearch ceramicsLow-expansion applicationsLithium compound research
Compliance & Regulations
?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 80.31 | GPa | — | ||
Poisson's Ratio(ν) | 0.2300 | - | — | ||
Shear Modulus(G) | 54.03 | GPa | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 2.515 | kg/m³ | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 5.507 | eV | — | ||
Dielectric Constant (Relative Permittivity)(εr)2 entries | 7.289 | - | — | ||
| ↳ | 4.529 range 2.702–6.356median of 2 measurements | - | — | ||
Magnetic Moment(μB) | 0.000 | µB | — | ||
Piezoelectric Modulus(eij)2 entries | 1.184 | C/m² | — | ||
| ↳ | 0.3317 | C/m² | — | ||
Piezoelectric Stress Tensor(eij) | Matrix (redacted) | C/m² | — | ||
Seebeck Coefficient(S) | -165.9 | µV/K | — |
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.
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.000 | eV/atom | — | ||
Formation Energy(ΔHf)2 entries | -2.849 | eV/atom | — | ||
| ↳ | -2.713 | eV/atom | — |
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.
Verified Unverified Low confidence (<80%) Link to source
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.