Be4 Ta2

semiconductor

· Be4 Ta2

Be4Ta2 is an intermetallic compound composed of beryllium and tantalum, belonging to the semiconductor class of materials. This compound is primarily of research and development interest rather than established in widespread industrial production, as it represents an exploration of high-performance intermetallic systems combining beryllium's lightweight properties with tantalum's refractory characteristics. Potential applications would target advanced aerospace, defense, or high-temperature electronics sectors where the combination of low density and thermal stability could offer advantages over conventional alternatives, though practical adoption remains limited due to beryllium's toxicity concerns, manufacturing complexity, and the scarcity of tantalum.

Experimental semiconductor researchAerospace high-temperature componentsRefractory intermetallicsDefense applicationsAdvanced electronic substrates

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	24,293.8	ksi	—
Shear Modulus(G)	16,412.5	ksi	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.08370	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.1700	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 Ta2

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control