Be5 Fe1

semiconductor

· Be5 Fe1

Be₅Fe₁ is an intermetallic compound combining beryllium and iron in a 5:1 stoichiometric ratio, belonging to the beryllium-iron phase diagram family. This material is primarily of research interest rather than widespread industrial production, investigated for potential applications requiring the combination of beryllium's low density and high stiffness with iron's structural stability. The compound represents an exploratory approach to developing lightweight, high-performance materials for advanced aerospace and defense applications, though practical use remains limited due to beryllium's toxicity concerns, manufacturing complexity, and the material's brittle nature at typical operating temperatures.

aerospace research and developmentlightweight structural components (experimental)high-temperature composite matrices (research phase)nuclear applications (theoretical)advanced materials characterizationintermetallic phase studies

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.00900	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.09800	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.

Be5 Fe1

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control