Be8 Cr4

semiconductor

· Be8 Cr4

Be8Cr4 is an experimental beryllium-chromium intermetallic compound in the semiconductor class, combining beryllium's low density and high thermal conductivity with chromium's oxidation resistance. This material remains largely in research and development stages; its potential applications would target high-temperature electronic devices or aerospace systems where lightweight, thermally conductive semiconductor properties are advantageous, though beryllium's toxicity in processing and the compound's limited commercial maturity restrict current industrial adoption compared to conventional silicon or wide-bandgap alternatives like SiC and GaN.

High-temperature electronics (research)Thermal management substrates (developmental)Aerospace semiconductor components (exploratory)Intermetallic compoundsLightweight semiconductor devices

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.00750	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.2090	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 Cr4

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control