Be8 Re4

semiconductor

· Be8 Re4

Be8Re4 is an experimental intermetallic compound combining beryllium and rhenium, likely investigated for high-temperature structural applications given the refractory nature of both constituent elements. This material family remains primarily in research phase; industrial adoption is limited due to beryllium's toxicity concerns, rhenium's cost and scarcity, and processing challenges inherent to brittle intermetallic phases. Engineers would consider this material only in specialized aerospace or defense contexts where extreme temperature resistance justifies the material, manufacturing, and health-safety constraints.

High-temperature structural researchAerospace/defense applications (experimental)Refractory intermetallic compoundsUltra-high-temperature materials study

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.00250	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.3580	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.

Be8 Re4

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control