LiBeSi — Properties & Data | MatWorld

LiBeSi

ceramic

· JVASP-67543· LiBeSi

LiBeSi is an experimental ceramic compound combining lithium, beryllium, and silicon phases, developed primarily in research settings to explore lightweight ceramic systems with potential thermal and mechanical benefits. This material family has been investigated for advanced aerospace and high-temperature applications where the combination of low density with ceramic stiffness offers theoretical advantages over conventional monolithic ceramics or metal alternatives. However, LiBeSi remains largely in the research phase; practical deployment is limited due to synthesis challenges, beryllium toxicity concerns during processing, and the need for further characterization of long-term performance and manufacturability.

experimental aerospace compositeslightweight structural ceramicshigh-temperature research applicationsthermal management systems (research)advanced material systems development

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	8,747.2	ksi	DFT · OptB88vdW
Poisson's Ratio(ν)	0.3900	-	DFT · OptB88vdW
Shear Modulus(G)	4,474.4	ksi	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	0.06897	lb/in³	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)	0.3188	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	0.1885	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.

LiBeSi

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental