LiTaBe

ceramic

· JVASP-71792· LiTaBe

LiTaBe is an experimental ternary ceramic compound combining lithium, tantalum, and beryllium elements, representing an ultra-lightweight, high-stiffness material class currently in research development rather than established commercial production. This material family is of interest in aerospace and defense applications where extreme weight reduction combined with high elastic stiffness is critical, though its practical deployment remains limited by synthesis challenges, cost, and beryllium's toxicity concerns. The unusual negative Poisson's ratio indicates auxetic behavior—a characteristic that could enable novel damage-tolerance mechanisms—making it a candidate for next-generation composite matrices or specialized structural applications if manufacturing and safety protocols can be matured.

experimental aerospace structureshigh-stiffness-to-weight applicationscomposite matrix researchauxetic material systemsdefense/space technologylightweight bearing materials

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	11,882.9	ksi	DFT · OptB88vdW
Poisson's Ratio(ν)	-0.09000	-	DFT · OptB88vdW
Shear Modulus(G)	2,111.7	ksi	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	0.2598	lb/in³	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.000	eV	DFT · OptB88vdW
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.5314	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	0.3972	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.

LiTaBe — Properties & Data | MatWorld

LiTaBe

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental