Li6FeSi2O8 — Properties & Data | MatWorld

Li6FeSi2O8

ceramic

· JVASP-45896· Li6FeSi2O8

Li6FeSi2O8 is an iron-lithium silicate ceramic compound that belongs to the family of lithium-containing oxide ceramics. This material is primarily of research interest rather than established in high-volume production, with potential applications in energy storage systems, particularly as a constituent in solid-state battery electrolytes or ionic conductors where lithium mobility is engineered. The combination of lithium, iron, and silicate phases makes it notable for studies into lithium-ion conductivity and thermal stability in ceramic form, offering potential advantages over traditional oxide ceramics in electrochemical devices where ionic transport is critical.

solid-state battery materialslithium-ion conductorsenergy storage researchceramic electrolyteshigh-temperature ionic devices

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	87.08	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2900	-	DFT · OptB88vdW
Shear Modulus(G)	45.25	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	2.791	kg/m³	DFT · OptB88vdW

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

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	0.3150	eV	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)	3.731	-	DFT · OptB88vdW
Electron Effective Mass(m*e)	0.3533	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	0.3533	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	4.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000135	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.0000934	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-6.250	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	39.10	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	5.840	%	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)	0.1105	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-2.348	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.

Li6FeSi2O8

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental