Be4

semiconductor

· Be4

Be4 is a beryllium-based compound in the semiconductor family, though its exact phase composition and dopant structure are not specified in available data. This material belongs to the broader beryllium compound research space, which has historically attracted interest for high-frequency and high-temperature electronic applications due to beryllium's low density and thermal properties. Be4 and related beryllium semiconductors remain primarily in research and specialized aerospace/defense contexts rather than mainstream commercial use, and engineers should consult recent literature to confirm current viability and supply chain status for any proposed application.

high-frequency electronics researchaerospace componentsradiation detection systemsthermal management substratesdefense/classified applications

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.00240	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	0.000	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.

Be4

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control