Li2 Be2

semiconductor

· Li2 Be2

Li₂Be₂ is an experimental intermetallic compound combining lithium and beryllium, belonging to the lightweight metal alloy family. This material remains primarily in the research phase rather than established industrial production, with potential interest in aerospace and energy storage applications where ultra-low density and high stiffness-to-weight ratios are critical. Its development is driven by theoretical advantages in next-generation lightweight structural materials, though practical challenges around beryllium toxicity, processing difficulty, and limited property data have constrained widespread engineering adoption.

aerospace structural components (research)lightweight alloy developmentenergy storage systems (exploratory)high-performance composites (matrix phase study)nuclear/advanced reactor materials (research)

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.00140	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	0.1330	eV/atom	—

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

Regulatory Screening

Environmental

Export Control

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.

Li2 Be2

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control