Li2MgSi — Properties & Data | MatWorld

Li2MgSi

ceramic

· JVASP-35673· Li2MgSi

Li2MgSi is an intermetallic ceramic compound combining lithium, magnesium, and silicon—a relatively rare material composition that exists primarily in research and developmental contexts rather than established industrial production. While not yet widely deployed in commercial applications, this material belongs to the family of lightweight ceramic composites and intermetallics being explored for advanced engineering systems where low density coupled with ceramic stiffness is valuable. Interest in Li2MgSi-class compounds centers on potential aerospace, energy storage, and structural composite applications where the combination of light weight and rigid ceramic behavior could offer advantages over conventional aluminum alloys or carbon-fiber reinforced polymers, though material processing, scalability, and cost remain significant barriers to broader adoption.

experimental aerospace structureslightweight ceramic compositesthermal management applicationsenergy storage systems (early research)solid-state battery research

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	45.03	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.1900	-	DFT · OptB88vdW
Shear Modulus(G)	40.28	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	1.704	kg/m³	DFT · OptB88vdW

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

Filter by

Method

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	0.2700	eV	DFT · OptB88vdW
↳	0.4630	eV	DFT · TBmBJ
High-Frequency Dielectric Constant (ε∞)(ε∞)	15.16	-	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	13.30	%	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.

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.04400	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.2759	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.

Li2MgSi

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental